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solar updates reflective and PV for the world

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Post by dean Mon Jun 20, 2011 12:58 pm

First topic message reminder :

the baja is a perfect place for reflective/thermal solar systems. It is considered one of the top places in the world for making use of the suns energy. PV (photovoltaic) is just too expensive and will degrade in a expected 30 year life. whereas the reflective/thermal plants are good for 50-100 years. Baja could begin solar farming of electricity and ship it to the mainland and or the USA. properly set up I bet these could provide shopping center shade. LaPaz could be the first city to mandate electric vehicles because the power is so cost effective. LaPaz could become the Solar Energy University and offer degrees on all aspects of this technology. In general LaPaz loses its best engineers because there are no real engineering jobs in the non-manufacturing area of the baja. This would create long term clean good paying jobs in the baja, thousands of them...

Our electric costs in the baja for second the main tier rates are about 27 pesos with tax per KiloWattHour. or about USD$0.25. In the USA the average for home use is about USD$0.10 San Diego for the high rate is USD$0.14. And in the USA commercial rates are even lower. The USA gives a substantial discount to businesses. In Canada the delivered cost of electricity is about 7 cents per KWh.

The cost to make electricity is as low as 2 cents a KWh made by nuclear power plants. And diesel plants being the highest. after that there are transmision and distribution fees. these fees are the equipment which is a standard around the world for wire transformers, no one has discounts here. As we know in the USA the power company linemen/installers employees make top level union wages. In the baja I have no idea what the costs are of the employees.

The new installations of solar thermal with US labor costs for set up in the USA are delivering power to consumers at USD$0.14. this is in a return of 20 years and these plants will last for 50-100 years so the price will be substantially less. Isn't it time baja begins setting up these farms and selling the power to the USA and mainland Mexico?

Baja sells renewable fruits and vegetables so why not farm electricity and bring in quality jobs that last for a hundred years that do less damage than agricultural farming does and help the US and mainland have clean energy and become energy independent.

the details are posted below in the next posts.





Last edited by dean on Mon Jun 20, 2011 2:29 pm; edited 4 times in total

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solar updates reflective and PV for the world - Page 2 Empty What’s Cheaper: Solar Hot Water Systems Or Solar PV?

Post by dean Wed Nov 26, 2014 4:04 am

http://cleantechnica.com/2014/11/25/solar-hot-water-panels-vs-solar-pv-whats-cheaper/?utm_source=Cleantechnica+News&utm_medium=email&utm_campaign=cacb8be9a1-RSS_EMAIL_CAMPAIGN&utm_term=0_b9b83ee7eb-cacb8be9a1-332019637
What’s Cheaper: Solar Hot Water Systems Or Solar PV?

November 25th, 2014 by James Ayre

If you were asked whether solar hot water systems or solar PV systems were more economical at heating water, what would you say?

Your first guess would probably be that solar hot water systems were more economical, right?

Well, it turns out that maybe they aren’t (most of the time, anyways), according to a recent study. The study is coming to us via the Queensland PV company Ecoelectric, though, so it’s worth taking this with a grain of salt and perhaps digging in more to the assumptions used. Nonetheless, if you’ve previously written off the potential of heating your water with solar PV, it seems this is worth reconsidering.

The analysis suggests that solar PV systems are more economical than solar hot water systems or heat pump and gas systems — in addition to being cheaper with regard to initial costs.

“The analysis also finds that hot water green schemes, including solar hot water system rebates and water pumping rebates, could have little effect on closing the gap between the total cost of traditional renewable water heating methods and the much lower cost of using Solar PV,” RenewEconomy writes.

“According to Ecoelectric – which bills itself as a leading specialist in solar power and hybrid battery systems – a solar PV water heating system would require no additional installation other than a timer, which tells the hot water system to run during day light hours. The hot water is then powered by the sun.”

The company’s blog post on the subject (found here), provides a fairly detailed explanation of the methodology used. The blog notes the conclusions of the analysis thusly: “As you can see, the combination of a trusty old storage system with solar PV is EXTREMELY cost effective. In fact if you already have storage you would be crazy to change to anything else. If you’re looking at a new build you may be slightly better off with solar hot water, but it’s so close as to be almost negligible.”

Goes to show how quickly the solar PV sector is changing. The rapid fall in solar PV prices has hurt fossil fuels (while benefiting the solar installation industry and the public at large), but it has also cost several cleantech companies their lives.

Image Credit: Ecoelectric
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Post by dean Mon Oct 20, 2014 7:35 am

http://www.pv-tech.org/news/california_continues_solar_lead_as_34mw_solar_power_plant_nears_completion


US independent power producer, Sustainable Power Group (sPower) has completed a 34MW solar power plant in California.
The plant was developed in partnership with Chinese module supplier, JinkoSolar.
The 34MW solar power plant is located in Antelope Valley, California – the leading US solar state.
“The abundance of solar energy in California makes PV modules the ideal solution to fulfill local electricity needs,” said Nigel Cockroft, general manager, JinkoSolar.
The 34MW of generation capacity from the solar plant will be sold by sPower to the predominant electricity supplier for the south of California, Southern California Edison, via a 20 year Power Purchase Agreement.
Engineering, procurement and construction was carried out by commercial construction services, Swinerton builders.
George Hershman, Swinerton Renewable Energy vice president and division manager said the companies share a “commitment to delivering economical and responsible clean energy to rate payers".
The plant is scheduled to begin operations on 30 November this year with 115,000 of JinkoSolar’s 305W panels.
The 34MW plant is split into four projects across Lancaster and Victorville in California and will power more than 4,000 homes a year in the state.  
“The development of these projects has brought jobs and economic benefits to the Antelope Valley, while providing a sustainable future in the area," said sPower CEO, Ryan Creamer.

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Post by dean Sun Oct 12, 2014 9:00 am

interesting ac units  claim to be part solar to save 30-50 percent of the cooling costs.  


 http://www.globalmarket.com/product-info/solar-air-conditioner-8304131.html?utm_medium=email&utm_source=newsletter1&utm_campaign=flagship&entityId=101451454&recId=630903019&entityType=1&xIndex=1&token=b45fac2d720a9bf9a2307ce4b4124045&userId=101451454&edmpid=5438dd83fa2e440370efdfe81465&utm_term=3281341&yIndex=1&gmedm=0213|3281341

hybrid solar absorption air conditioner
 
 1. running principle
Chuanglan hybrid solar air-conditioner is driven by electricity and with solar energy as an auxiliary power. The two kinds of energy work complementally in accordance with principles of fluid dynamics. It combines the absorption working system to compression system by using environmental-friendly media in cooling and heating on the basic of traditional air-conditioner technology to achieve energy-saving and environment protection.
  solar updates reflective and PV for the world - Page 2 RBAAaVO4cA2AIfaNAADBUJ6ye8U331_l

http://www.globalmarket.com/product-info/led-display-solar-air-conditioner-8490939.html?utm_medium=email&utm_source=newsletter1&utm_campaign=flagship&entityId=101451454&recId=630903019&entityType=1&xIndex=1&token=b45fac2d720a9bf9a2307ce4b4124045&userId=101451454&edmpid=5438dd83fa2e440370efdfe81465&utm_term=3281341&yIndex=2&gmedm=0213|3281341

solar updates reflective and PV for the world - Page 2 RBAAaFPXWHuAJbrrAACxI4zFJh8650_l

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Post by dean Thu Oct 09, 2014 10:52 am

IBM "sunflowers" to supply off-grid energy, water, and cooling
solar updates reflective and PV for the world - Page 2 Sunflowervoltaic

http://www.gizmag.com/ibm-sunflower-hcpvt-pv-thermal-solar-concentrator/33989/?utm_source=Gizmag+Subscribers&utm_campaign=8908a96810-UA-2235360-4&utm_medium=email&utm_term=0_65b67362bd-8908a96810-90245106


Looking rather like a 10-meter (33 ft) tall sunflower, IBM's High Concentration PhotoVoltaic Thermal (HCPVT) system concentrates the sun’s radiation over 2,000 times on a single point and then transforms 80 percent of that into usable energy. Using a number of liquid-cooled microchannel receivers, each equipped with an array of multi-junction photovoltaic chips, each HCPVT can produce enough power, water, and cooling to supply several homes.



"The direct cooling technology with very small pumping power used to cool the photovoltaic chips with water is inspired by the hierarchical branched blood supply system of the human body," said Dr. Bruno Michel, manager, advanced thermal packaging at IBM Research.
The HCPVT system can also be adapted to use the cooling system to provide drinkable water and air conditioning from the hot water output produced. Salt water is passed through the heating conduits before being run through a permeable membrane distillation system, where it is then evaporated and desalinated. To produce cool air for the home, the waste heat can be run through an adsorption chiller, which is an evaporator/condenser heat exchanger that uses water, rather than other chemicals, as the refrigerant medium.





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Post by dean Thu Oct 02, 2014 6:41 am

http://www.pv-tech.org/news/sunedison_expects_new_fbr_polysilicon_process_to_provide_400wp_modules_at_u

SunEdison expects new FBR polysilicon process to provide 400Wp modules at US$0.40/W

  •  solar updates reflective and PV for the world - Page 2 MEMC_module_power_plant_550_200_150_s_c1
    "Solar energy is at a transformational moment in time and innovative technology is what will power that transformation," said Ahmad Chatila, Chief Executive Officer of SunEdison. "Our latest advance is a leap forward in solar technology and will enable solar power to become the lowest cost energy solution - not just an alternative to other renewables, but the cost-winner over fossil fuels as well."



SunEdison said that its high pressure fluidized bed reactor (HP-FBR) technology being ramped at its new joint venture facility in Korea will provide source polysilicon to enable 400 watt peak PV panel performance at a cost of US$0.40 per watt peak by 2016.
The HP-FBR technology developed by SunEdison is claimed to produce high purity polysilicon 10 times more efficiently than standard Siemens processes, while requiring 90% less energy consumption. 
  

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Post by dean Wed Oct 01, 2014 9:17 pm

http://cleantechnica.com/wind-energy-facts/

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Post by dean Tue Sep 09, 2014 10:10 am

NextEra Energy, First Solar begin work on 250MW Nevada plant


http://www.pv-tech.org/news/nextera_energy_first_solar_begin_work_on_250mw_nevada_plant


Electric power generator NextEra Energy Resources and PV systems provider First Solar have begun construction on a 250MW PV plant on the border of California and Nevada.
The Silver State South Solar Project –- which will be built in Primm, Nevada -- will be located about 40 miles south of Las Vegas and will be placed next to an existing power plant and transmission line corridor.
Armando Pimentel, president and chief executive officer of NextEra Energy Resources, said: “Renewable energy sources such as solar power play an important role in the future energy mix in this county. We look forward to working with First Solar and Southern California Edison to make this project a reality.”
A NextEra subsidiary will own and operate the plant, which will generate power that will be given to state utility Southern California Edison as part of a long-term agreement.

Once completed in early 2016, the plant is expected to create enough clean solar energy to power 80,000 homes annually while displacing around 150,000 tonnes of carbon dioxide per year.

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Post by dean Mon Sep 08, 2014 6:00 am

Rooftop solar cheaper than coal, says Philippines’ energy minister
http://www.pv-tech.org/news/rooftop_solar_cheaper_than_coal_says_philippines_energy_secretary


The Philippines’ secretary of energy, Carlos Jericho Petilla said 5 September that rooftop solar is cheaper than coal in the island state.
The country relies on importing most of its energy from expensive fossil fuels, subject to price fluctuations. Electricity from a coal plant cost up to PHP5.50 per kWh (US$0.13) plus PHP6.50 (US$0.15) for distribution and transmission, totalling PHP12.00 (US$0.28). Whereas, rooftop solar costs PHP9.00 per kWh (US$0.21) for generation. There are no costs for distribution or transmission, said Petilla.
“This already saves you up to PHP3 per kWh (US$0.07),” Petilla said.

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Post by dean Thu Aug 07, 2014 10:05 pm

[size=38]How California could power itself using nothing but renewables[/size]
http://theweek.com/article/index/265874/how-california-could-power-itself-using-nothing-but-renewables


Jacobson’s team calculated that their California plan would create hundreds of thousands more jobs than it would sacrifice, and it would annually save more than 10,000 lives and $100 billion in health care costs (expenses which are now generated by pollution). The 603 gigawatts of new renewable energy facilities would cost $1.1 trillion, but those costs would be more than offset through climate benefits and fuel savings.

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Post by dean Wed Jun 25, 2014 6:03 am

http://www.gizmag.com/concentrating-solar-power/32678/?utm_source=Gizmag+Subscribers&utm_campaign=8f51c3045b-UA-2235360-4&utm_medium=email&utm_term=0_65b67362bd-8f51c3045b-90245106

solar updates reflective and PV for the world - Page 2 Csp-80-percent
CSP plants could run at 80 percent capacity (or better) throughout the year

Researchers at the International Institute for Applied Systems Analysis (IIASA) have conducted a study to examine the potential for solar power to provide reliable electricity around the clock, every day of the year. The team found that a large, distributed network of concentrated solar power (CSP) plants in the Mediterranean basin or the Kalahari desert in southern Africa would be able to consistently run at 80 percent of maximum capacity or more throughout the year regardless of time of day, season, or weather conditions.
The potential to generate solar power in the Earth's deserts is essentially unlimited: there is more than enough land area to generate far more electricity than the whole world currently demands.
And yet, generating such vast amounts of power using photovoltaic (PV) cells would be unpractical, mainly because PV panels can't produce electricity at night, and are also subject to changing seasons and weather conditions. A power grid relying mostly on PV panels would need a very large number of batteries, which would drive electricity costs up.







This is the first detailed study of its kind to establish that it is indeed possible to build a power grid which relies primarily on solar energy and still provides reliable electricity around the clock, day at night, and throughout the year. Moreover, the costs per kWh might start dropping dramatically over the next few years.

"The costs of CSP, even in their least cost configuration, are currently higher than gas (roughly 10 cents per kWh, compared to about 5 cents)," Patt told us. "But that will almost certainly change if CSP becomes more mainstream, and it is reasonable to imagine that it will be as cheap as gas within the next 10 to 15 years. In a sense, our latest results provide a reason for energy system planners to push CSP to the point where this [cost reduction] will happen."

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Post by dean Fri Jun 20, 2014 5:32 pm

http://www.cliquesolar.com/ARUN160.aspx

The ARUN® solar thermal concentrator is a Fresnel Paraboloid Solar Concentrator System with a Point Focus based on assembly of reflectors. ARUN® uses solar grade mirrors as reflectors. The system automatically tracks the sun from morning to evening using a proprietary electronic tracking system. The receiver is placed at the focus of the paraboloid concentrator. It is an inverted cavity type receiver with MS tubing as per the required pressure. ARUN® design integrates the latest technologies for complete automated operations with minimum maintenance with all built in safety provisions as well as two axes tracking of the Sun.


Key Performance Figures (per day) 

ey Performance Figures (per day) 
ApplicationARUN®160
Dry saturated steam1200 kg
Hot water (@ 65°C)25,000 liters
Cooling (for 8-10 hours)25 TR
Cooking7,500 meals
Milk pasteurization30,000 liters
Effluent evaporation2.5m3
Laundry600 kg
Desalination5.75m3


Savings by 1 ARUN® dish on a clear sunny day
ParameterARUN®160
Daily energy output7 Lac kcal
Effective saving of fuel100 liters
Effective saving of electrical energy800 kWh

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Post by dean Wed May 28, 2014 5:05 am

http://www.gizmag.com/the-archimedes-liam-f1-urban-wind-turbine/32263/?utm_source=Gizmag+Subscribers&utm_campaign=431f8de56f-UA-2235360-4&utm_medium=email&utm_term=0_65b67362bd-431f8de56f-90245106


Although it's getting increasingly common to see solar panels on the roofs of homes, household wind turbines are still a fairly rare sight. If Rotterdam-based tech firm The Archimedes has its way, however, that will soon change. Today the company officially introduced its Liam F1 Urban Wind Turbine, which is said to have an energy yield that is "80 percent of the maximum that is theoretically feasible." That's quite the assertion, given that most conventional wind turbines average around 25 to 50 percent.
The 75-kg (165-lb) 1.5-meter (5-ft)-wide Liam obviously doesn't look much like a typical turbine. It draws on the form of the nautilus shell, and the screw pump invented by ancient Greek mathematician Archimedes of Syracuse.
That form factor reportedly results in minimal mechanical resistance, allowing it to spin very freely and to operate quietly – blade noise is one of the common complaints regarding rooftop wind turbines. Additionally, the design is claimed to keep it always pointing into the wind for maximum yield.

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Post by dean Fri May 23, 2014 1:59 pm

http://energy.gov/sites/prod/files/2014/05/f15/2014_csp_report.pdf

report on concentrating solar plants.

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Post by dean Tue Apr 01, 2014 11:45 am

http://www.gizmag.com/ecoppia-e4-ketura-sun/31428/?utm_source=Gizmag+Subscribers&utm_campaign=d0cb89be9a-UA-2235360-4&utm_medium=email&utm_term=0_65b67362bd-d0cb89be9a-90245106

automated cleaning of solar panels without water.

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Post by dean Thu Feb 27, 2014 9:43 am

http://www.trust.org/item/20140225084556-9gted


The mayor of this sunny state capital, Esthela Ponce, says the Mexican president is expected to pay an inaugural visit to the solar farm soon, ushering in a new era of renewable energy for La Paz and the rest of the country.
Built on the site of an abandoned agricultural operation, the solar farm is linked via a high-voltage transmission line with the local-area power grid at the Olas Altas substation 3 km to the south, to which it began supplying power in September.
Aura Solar I is Mexico’s premiere utility-scale photovoltaic (PV) power producer, as well as the first domestic private enterprise of its size to obtain both a development bank loan and an agreement to sell its electricity to the grid.
“The idea is to see how this type of merchant-risk deal can be replicated down the road, not only in Mexico and Latin America, but around the world,” said Hector Olea, president and CEO of Gauss Energía, the construction contractor for the project.
The $100 million installation of nearly 132,000 solar-panel modules on 100 hectares has the capacity to generate 30 megawatts (MW) of electricity - enough for 164,000 people, or 65 percent of La Paz households, year-round.
It is expected to replace output from local fossil-fuel facilities, reducing emissions of carbon dioxide, nitrogen oxide, sulfur oxide and particulates. In all, it will cut greenhouse gas emissions by 60,000 tonnes a year, according to the World Bank Group’s International Financing Company (IFC).

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Post by dean Mon Jan 27, 2014 8:42 am

http://www.gizmag.com/halophyte-aviation-biofuel-desert-plants/30583/

Desert plants to be put to the test for aviation biofuel production


The Salicornia is one species of halophyte that is a promising feedstock for biofuel produ...
The Salicornia is one species of halophyte that is a promising feedstock for biofuel production (Photo: SBRC)
Image Gallery (2 images)
Whenever the topic of plant-derived biofuels is raised, the issue of turning valuable arable land over to the task of growing feedstock is generally not far behind. A discovery by the Sustainable Bioenergy Research Consortium (SRBC) that desert plants fed by seawater can produce biofuel more efficiently than other well-known feedstocks could help alleviate such concerns.

The SRBC, which is affiliated with the Masdar Institute of Science and Technology in Abu Dhabi, is receiving funding from Boeing, Etihad Airways and Honeywell UOP to develop and commercialize a sustainable biofuel that emits 50 to 80 percent less carbon through its lifecycle than fossil fuels. Plants called halophytes, which are highly salt tolerant, could be the answer.

SRBC researchers found that halophyte seeds contain oil suitable for biofuel production and that the entire shrub-like plant can be turned into biofuel more effectively than many other feedstocks.

The pilot project that will test the potential of halophytes for biofuel production (Image...
To test their findings, the SRBC team will create a test ecosystem over the coming year that will see two crops of halophytes planted in the sandy soil found in Abu Dhabi. The test site will use waste seawater from a fish and shrimp farm to nourish the plants, with the water then flowing into a field of mangroves before being returned to the ocean.

"The UAE has become a leader in researching desert land and seawater to grow sustainable biofuel feedstocks, which has potential applications in other parts of the world," says Dr. Alejandro Rios, Director of the SBRC. "This project can have a global impact, since 97 percent of the earth’s water is ocean and 20 percent of the earth’s land is desert."

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Post by dean Fri Oct 11, 2013 7:17 am

http://www.pv-tech.org/news/google_pumps_us103_million_into_california_solar_farm?utm_source=PV-Tech&utm_campaign=bac205d889-11+October+2013&utm_medium=email&utm_term=0_4ee2b8d807-bac205d889-705265

Google pumps US$103 million into California solar farm

    solar updates reflective and PV for the world - Page 2 8minute-200x150
    The 266MW plant is expected to be operational in 2014. Source: 8minutenergy Renewables.

Web giant Google has invested US$103 million in Silver Ridge Power’s 265.7MW Mount Signal Solar project






Silver Ridge Power, formerly AES Solar, has around 522MW of in operation or under construction making it one of the world’s largest owners and operators of utility-scale PV plants.
This is Google’s thirteenth renewable energy investment. In total, the company has committed over $1 billion to projects that will enable the generation of more than 2GW of electricity, enough to power over 500,000 homes.
[color][font]
this number does not seem correct, this comes out to $2000 per household.   
[/font][/color]

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Post by dean Thu Oct 03, 2013 7:54 am

note this electricity is reported to cost 14 cents per KWh.    That is a bit expensive.  the cost is about $29,000.00 per household to build.    This plant should last about 50+ years.

http://www.pv-tech.org/news/worlds_largest_trough_solar_plant_gains_us300_million_investment?utm_source=PV-Tech&utm_campaign=09f007606a-3+October+2013&utm_medium=email&utm_term=0_4ee2b8d807-09f007606a-705265


The 290MW concentrating solar power (CSP) plant is now in its final testing phase, and once completed will be the first utility-scale solar plant to store energy to meet demand. Unlike other renewables, parabolic troughs can generate energy day and night using thermal energy storage. At full capacity, Solana can store energy for six hours. This storage allows clean energy to be generated and stored without intermittence. 
Solana began construction in 2010 after gaining a federal loan guarantee of US$1.45 billion. The total investment in Solana so far is US$2 billion, and the plant aims to be operating by the end of this year.
Solar technology developer, Abengoa is the managing partner, taking care of the management, operation and maintenance of Solana.  
Upon completion Solana, which spans 1,920 acres in Gila Bend, Arizona, will produce enough energy for 70,000 homes and reduce carbon emissions by half a million tonnes, compared to a natural gas plant. Solana will also reduce water consumption by 75%, compared to the amount of water used previously for agriculture.
Arizona Public Service (APS), the largest utility in Arizona has a PPA with Solana for all the electricity the plant produces.
More than 2,000 jobs have been created for the construction of Solana, with 85 permanent jobs and thousands of indirect jobs expected to be created, just through the supply chain with 165 companies across 29 states have been engaged with Solana.
Abengoa already operates 931MW of CSP, and has 710MW under construction.
wiki

The Solana Generating Station is a solar power plant which is under construction near Gila BendArizona, about 70 miles (110 km) southwest of Phoenix, expected to be completed in 2013. It is being built by the Spanish company Abengoa Solar,[2] and will have a total capacity of 280 megawatts (MW),[2] which is enough to power 70,000 homes while avoiding around 475,000 tons of carbon dioxide.[2]Its name is the Spanish term for "sunny spot".[3]
Arizona Public Service (APS) has contracted to purchase 100% of the power output generated from Solana, to meet the Arizona Corporation Commission's (ACC) mandate that the state's regulated utilities provide 15% of their electricity from renewable energy sources by 2025. APS will pay about 14 ¢/kW·h.[4] The Solana plant, originally planned to open in 2011, will cost an estimated $2 billion.[5] In December 2010, Abengoa received a $1.45 billion loan guarantee to support construction of the plant.[6]
The plant will employ a proprietary concentrating solar power (CSP) trough technology developed by Abengoa, and will cover an area of 1,900 acres (770 ha). Construction is expected to create about 1,500 construction jobs; once completed, the plant will employ 85 full-time workers.[7][8] Solar thermal plants use substantially more water for cooling than other solar generating technologies. Nevertheless, theSierra Club supports the Solana plant, because it will be built on private land, and use "75 to 85 percent less water than the current agricultural use."[9]
One of the principal advantages of concentrated solar thermal (CST) is that storage can be provided efficiently (99%/day)[10] so that 24-hour output can be provided, and output can be scheduled to meet demand requirements.[11] The Solana Generating Station is designed to provide six hours of storage.[12]

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Post by dean Mon Jul 29, 2013 7:32 am

PV module costs to fall to 36c per watt by 2017: GTM Research
http://www.pv-tech.org/news/pv_module_costs_to_fall_to_36c_per_watt_by_2017_gtm_research

China's tier I crystalline-silicon PV module manufacturers are on course to cut production costs to 36c per watt by the end of 2017, a reduction of 14c from costs at the end of 2012, according to a report from GTM Research published yesterday.

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Post by dean Tue Jul 23, 2013 12:39 pm

another perfect one for solar in the baja.

http://www.gizmag.com/ares-rail-energy-storage/28395/?utm_source=Gizmag+Subscribers&utm_campaign=5c094d6e31-UA-2235360-4&utm_medium=email&utm_term=0_65b67362bd-5c094d6e31-90245106

solar updates reflective and PV for the world - Page 2 Ares-energy-storage

ARES’ technology uses heavy rail cars that are pushed to the top of a grade using excess power from renewable energy plants or when electricity demand is low. Then, when the wind drops, the sun stops shining, or electricity demand rises, the rail cars are released back down the hill, generating electricity through regenerative braking.

Because the system doesn’t rely on the use of water like the aforementioned ocean-based systems, the company says the technology is suitable for a wider variety of areas with minimal environmental impact. The company says the system can also respond to increases or decreases in demand in a matter of seconds, boasts a charge/discharge efficiency of 86 percent, and can deliver constant power for periods of up to eight hours.

ARES’ Director of Technology Development, William Peitzke told us to think of the system as basically a “grid-scale flywheel or battery, but one which is able to lock into direct synchronization with the grid providing heavy inertia for added grid stability.”

The company says its system is scalable and can be configured to provide grid-frequency regulation systems from 10 to 200 MW power and grid scale energy storage systems from 200 MW power with 1 GWh of energy storage, up to regional energy storage hubs of 2 GW power and 32 GWh of energy storage. ARES adds that its system also boasts a higher energy-to-power ratio than flywheels, a lower life-cycle cost than batteries and a faster ramp-up rate than pumped-storage.


....


The company is currently in the middle of the permit process to construct a full-scale commercial 50 MW REM system in Pahrump, Nevada for the Valley Electric Association and the California Independent System Operator (CA-ISO). This system will extend the length of the track to 5 miles (8 km) and up the weight of the individual vehicles to 300 tons (272 tonnes). The single track will be on an eight percent grade and have 32 vehicles operating on it, each able to absorb or provide around 1.5 MW of power.

ARES CEO Jim Kelly adds that the system can "be deployed at around half the cost of other available storage technologies. Just as important, ARES produces no emissions, burns no fuel, requires no water, does not use environmentally troublesome materials and sits very lightly on the land.”


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solar updates reflective and PV for the world - Page 2 Empty a 30MW plant in La Paz, Baja California Sur in Mexico.

Post by dean Mon Jul 22, 2013 8:18 am

http://www.pv-tech.org/news/order_focus_suntech_to_supply_largest_pv_array_in_latin_america?utm_source=PV-Tech&utm_campaign=d90364ff27-22+July+2013&utm_medium=email&utm_term=0_4ee2b8d807-d90364ff27-705265

Order Focus: Suntech to supply ‘largest’ PV array in Latin America

Troubled Chinese manufacturer Suntech Power Holdings is to supply PV modules for what is claimed will be Latin America’s largest PV array, a 30MW plant in La Paz, Baja California Sur in Mexico.

The 132,000 Suntech Ve and Vd panels will be installed by Portugal-based EPC firm Martifer Solar on a 100-hectare site.

Owned by Corporacion Aura Solar, the project is being developed by Gauss Energia, a leading Mexican energy project developer focused on renewable energy.

It is Mexico's first utility-scale solar project with a power purchase agreement from Mexico's federal power company.

E L McDaniel, managing director of Suntech America, said: "We are very excited to supply the panels for the largest solar field in Latin America. With Mexico's excellent sunlight and strong renewable energy demand, we expect to see excellent growth of PV in the region."

Henrique Rodrigues, CEO of Martifer Solar, said: "The construction of Latin America's largest PV plant confirms our best expectations for 2013. This is an emblematic project for Martifer Solar, in a region that, due to its irradiation characteristics, finds solar electricity as a viable and more competitive alternative, when compared with non-renewable energy sources.”

Hector Olea, CEO of Gauss Energia, said: "Aura Solar is the first project of a larger initiative that aims to become a platform to develop utility-scale PV facilities in Mexico. With Mexico's solar potential expected to reach around 2,000 MW by 2020, Aura Solar has broken ground in the PV sector, and it is paving the way for future projects in the field.”

The plant is expected to have a production capacity of 82 GWh/year and construction is scheduled to be completed in August 2013.

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Post by dean Tue Jul 02, 2013 9:19 pm

http://www.pv-tech.org/news/new_mexicos_largest_solar_power_plant_underway

Construction for New Mexico’s largest solar power plant, the 50MW Macho Springs Solar Project, is now underway in Demming, Lunar County.

Golabal PV energy providers, First Solar, and electricity distributors since 1925, El Paso Electric, under a 20-year power purchase agreement (PPA), will generate green energy for 18,000 homes in southern New Mexico and west Texas.

500 acres of the Macho Springs land was acquired for the plant, on a commercial lease from the New Mexico State Land Office – which is responsible for more than 9 million acres of land in New Mexico.

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Post by dean Wed Jun 26, 2013 9:34 am

another solar plant unsubsidized spain

today euro is 1.3 to the dollar so 360 million dollars, for 117,000 homes. that is about USD$3055.00 per home for electricity for the next 30 years.
thus would you be willing to spend $4000.00 to have basically free electricity for the next 30 years. IE costing you $100.00 a year. delivery costs are still needed.

http://www.pv-tech.org/news/tentusol_unveils_planned_250mw_solar_park?utm_source=PV-Tech&utm_campaign=28a813915f-PV_Tech_Daily_Newsletter_June_26_2013&utm_medium=email&utm_term=0_4ee2b8d807-28a813915f-705265

Spanish solar developer Tentusol has announced plans for a 250MW unsubsidised solar “megapark” on up to 800ha of land in north-west Cádiz, according to reports.

At a press conference this week, the company said that the €275 million farm would be developed in five phases of 50MW each, with planning and construction taking between two and three years.

The first phase of the will be connected at the end of 2015, according to a spokesman for the company, with the final phase operational by 2017.

The overall facility, based at a site near the town of Trebujena, will contain a total of around 90,000 PV panels, and will generate around 420,000MW each year, providing power to around 117,000 homes, the company said.

Company board chairman Fernando López Gil was quoted as applauding the commitment of his company in bringing the scheme forward despite the Spanish government’s decision last year to end its feed in tariff regime for new renewables plants.

According to the company, the project will employ about 536 workers in each of the five phases, and create between 60 to 100 jobs during the operational phase.

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Post by dean Tue Jun 25, 2013 9:01 am

this equates to about $20,000.00 per household for this smaller project, estimated life is my guess 30 years.  when you go larger scale to the other expansion the 110 million the cost per household is $3,300. 00   WOW...   


Silex unit starts operations at Australia's largest concentrating photovoltaic plant

http://www.power-technology.com/news/newssilex-unit-starts-operations-at-australias-largest-concentrating-photovoltaic-plant


Solar Systems, a subsidiary of ASX-listed company Silex Systems, has commenced operations at Australia's largest concentrating photovoltaic (CPV) solar power station located in Mildura, northwest Victoria.
The station, which is a grid connected facility, will be used to demonstrate of Solar Systems' Dense Array' CPV solar conversion system.
Once operational, the system will have a capacity of 1.5MW and will generate enough electricity to meet the needs of about 500 average-sized homes.
The electricity generated by the plant will be sold to Diamond Energy, under a power purchase agreement signed in December 2012.
Solar Systems has secured a $10m funding package from the Victoria State Government towards its Mildura demonstration facility and related product development programme.
The company has also secured additional financial aid from the Federal Government of Australia for the project.
Silex CEO Michael Goldsworthy said the commencement of operations at Mildura facility is a major milestone in the commercialisation of Solar Systems 'Dense Array' CPV technology.
"The first array consisting of ten dish systems has been successfully commissioned and is operational, with the remaining three arrays of 30 dishes to be brought online progressively over the next few weeks," Goldsworthy added.

As part of the next phase of the project, the company said it will expand the facility to 100MW with construction expected to start in late 2014, subject to successful operation of the demonstration site.

Solar Systems is also building a 1MW CPV demonstration facility at the Nofa Equestrian Resort near Riyadh, Saudi Arabia.
The plant, which is expected to be operational by the third quarter of 2013, will represent the first offshore demonstration facility using Solar Systems' Dense Array CPV dish technology.

solar updates reflective and PV for the world - Page 2 Mildura%20CPV%20Demonstration%20Facility




http://www.brw.com.au/p/entrepreneurs/solar_tech_company_silex_plans_massive_aZNOWDZPEN9YOXw3NzXXNJ





Australia’s largest listed clean technology company, Silex Systems, is well on its way to commercialising the solar technology of a collapsed predecessor after this week flicking the switch for a new power facility in Mildura, Victoria.
The facility is feeding 1.5 megawatts of power onto the national grid using highly efficient concentrating photovoltaic (CPV) technology. This is enough power to feed about 500 homes, Silex says. Silex plans to upgrade the complex to 100 megawatts with the help of $110 million of additional government grants.
Silex chief executive Michael Goldsworthy says the Mildura facility is a major stop in the commercialisation of Solar Systems’ technology.
“If successfully commercialised, the deployment of utility-scale solar power stations around the world has the ability to generate hundreds of millions of dollars in annual revenues within a few years,” Goldsworthy says. “This could be a game-changing renewable energy technology.”
Silex bought the assets of collapsed technology developer Solar Systems in 2010 after the company failed to raise a required $100 million to roll out its plans. Silex spent an additional $20 million on reconfiguring Solar’s technology.
The Mildura facility consists of 40 dishes, each made up of more than 100 curved mirrors. These concentrate the sunlight onto receivers of densely packed solar cells which convert the rays to power at 43 per cent efficiency. This compares with around 20 per cent efficiency for standard silicon solar panels. The system takes up much less space for vastly greater amounts of power production than conventional solar.
A one-megawatt facility near Riyadh in Saudi Arabia is on track to be completed later this year as the oil-rich nation ironically seeks to generate more renewable power at home to free up its oil for lucrative export.
The Mildura plant received a $10 million grant from the Victorian government. The upgrade to 100 megawatts will begin construction in late 2014 subject to securing a power purchase agreement and the finalisation of funding arrangements, which include $75 million from the federal government’s Low Emissions Technology Demonstration Fund, and $35 million from the Victorian government’s Energy Technology Innovation Strategy Fund.
According to Bloomberg, the Mildura plant would be the third-largest CPV facility announced globally, and much bigger than the current largest, which is a 30-megawatt facility in Colorado.
Silex has a market cap of $361 million and develops a range of energy technologies. It is also working with US nuclear companies to roll out its next-generation uranium enrichment methods.

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Post by dean Mon Jun 03, 2013 1:33 pm

solar updates reflective and PV for the world - Page 2 Mapa2

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Post by dean Thu May 30, 2013 8:37 am

http://cleantechnica.com/2013/05/29/latin-americas-largest-pv-solar-plant-in-the-works-in-mexico/

A new 30 MW solar photovoltaic power plant is currently being constructed in Mexico — in La Paz, Baja California Sur. Once completed, the plant will be Latin America’s largest photovoltaic solar power plant, providing enough electricity to power an estimated 160,000 households.
Read more at http://cleantechnica.com/2013/05/29/latin-americas-largest-pv-solar-plant-in-the-works-in-mexico/#6AoozO88IteU6R3b.99

The solar power plant, situated on a large 100-hectare site, will feature about 132,000 modules installed on single-axis trackers once completed — generating about 82 GWh/year and offsetting around 60,000 tons of CO2 emissions. It is currently scheduled to be completed by August 2013.
The project will be the first utility-scale solar project under a Power Purchase Agreement contract (20 years long) between a private company and Comisión Federal de Electricidad, Mexico’s federal power company, and also represents a big increase in total solar capacity for the country.
“Martifer Solar’s experience and worldwide track-record were decisive during the analysis of the different proposals made by the main companies in the sector. Due to its dimension, this project in Mexico will open the way for the development of the photovoltaic sector in the country, where, to date, were installed 13 MW of PV projects”, says Hector Olea, CEO of Gauss Energía, a Mexican company specialized in project development in the energy sector, in the press release.
Mexico has enormous potential with regards to solar energy — 70% of the country has an insolation of greater than 4.5 kWh/m²/day. What that means is that by “using 15% efficient photovoltaics, a square 25 km (16 mi) on each side in the state of Chihuahua or the Sonoran Desert (0.01% of Mexico) could supply all of Mexico’s electricity.” It’s currently predicted that the country will experience a solar power boom in the coming years, likely allowing it to reach its goal of receiving 35% of its energy from renewable sources by 2026.

Read more at http://cleantechnica.com/2013/05/29/latin-americas-largest-pv-solar-plant-in-the-works-in-mexico/#6AoozO88IteU6R3b.99


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solar updates reflective and PV for the world - Page 2 Empty EF concrete foam blocks made in baja

Post by dean Thu May 30, 2013 8:35 am

there is a company in baja in LaPaz, making concrete foam blocks for homes with an R23 value for the walls. The cost estimate is $4,000.00 additional per 1000 square feet. Should pay for itself with electric savings in 3-5 years down here. As noted our electric costs are higher than USA except Hawaii if you use AC. Any contractor can effortlessly change over for even one project. Any style from small to mega home. Why pay CFE and burn oil to make our electricity.

They state they can work with any contractor.
click below to go to the website
EF Block of Mexico

www.efblockmx.info

built in Cabo R23 walls.... super insulated
solar updates reflective and PV for the world - Page 2 Photo27.12192900_std
keeps house warm in the winter..
solar updates reflective and PV for the world - Page 2 Finished2.106220703_std
this one one of the few going up in LaVentana
solar updates reflective and PV for the world - Page 2 DSC01007.11703114_std

Make sure you tell any friends that may be considering building to take a look at this...

They also take the foam that is used in packaging of items like toasters, TVs and recycle it so it is very green for our landfills. Save your packaging foam and give it to them.

solar updates reflective and PV for the world - Page 2 EF_BLOCK_LOGO_.116154239_std


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solar updates reflective and PV for the world - Page 2 Empty LaPaz to have a 30MWatt solar instalation...

Post by dean Thu May 30, 2013 8:31 am

http://www.pv-tech.org/news/sonora80m_plans_20mw_solar_park_in_mexico?utm_source=PV-Tech&utm_campaign=1a93f2c04d-PV_Tech_Daily_Newsletter_Thursday_30_May_2013&utm_medium=email&utm_term=0_4ee2b8d807-1a93f2c04d-705265

Ford to buy power from 20MW Mexico solar farm


Although Martifer Solar is currently constructing Latin America's largest solar project, Sonora80M believes it will have the last laugh with a 80MW facility within the next few years. Image: Martifer Solar
Sonora80M Group has signed an agreement to deliver 15% of energy generated at its planned 20MW solar park in Mexico to Ford Motor Company.

The solar park will be located in Hermosillo, in the state of Sonora in northern Mexico, and is expected to start operations in 2014.

Plans to build the park, billed at the time as Mexico's "first large-scale PV project", were confirmed in August 2012. It will use Portuguese EPC firm Martifer Solar’s Smartracker technology, a one-axis tracker which is said to optimise the installation’s yield by around 30% and maximise the power distributed to the grid.

Commenting on the delay from planning to implementation, Pablo Mayo Sanz, partner-director of Sonora80M, told PV-Tech: “The delay is due to all the legal requirements needed to complete the project. This project sells energy to seven municipalities in Sonora (as well as Ford Motor Company), and this kind of public-private structure is quite complex, and requires political approval before starting.”

Martifer Solar was awarded an EPC contract for a 30MW PV facility in La Paz, Baja California, Mexico last week, which it said would be the “largest PV plant in Latin America to date"

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solar updates reflective and PV for the world - Page 2 Empty source for solar and wind products

Post by dean Thu May 30, 2013 8:11 am

http://www.magnet4less.com/index.php?cPath=8

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solar updates reflective and PV for the world - Page 2 Empty this could be modified to cleam a pool

Post by dean Thu May 30, 2013 8:10 am

http://www.applied-sciences.net/library/zoetrope.php

My concept is to use this low cost design for a pool pump. attach a belt and hook it to a car watter pump.

this would be ideal for LaVentana.

solar updates reflective and PV for the world - Page 2 Shiny


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solar updates reflective and PV for the world - Page 2 Empty absorption cooling systems

Post by dean Thu May 30, 2013 8:09 am

his company makes absorption cooling systems through solar reflective technology, and have read about desiccants
http://sopogy.com/solutions/index.php?id=13

http://www.solair-project.eu/146.0.html

http://www.toolbase.org/Technology-Inventory/HVAC/desiccant-cooling


A desiccant like calcium chloride can be mixed with water to create an attractive recirculating waterfall, that dehumidifies a room using solar thermal energy to regenerate the liquid, and a PV-powered low-rate water pump[4]

Air can be passed over common, solid desiccants (like silica gel or zeolite) to draw moisture from the air to allow an efficient evaporative cooling cycle. The desiccant is then regenerated by using solar thermal energy to dry it out, in a cost-effective, low-energy-consumption, continuously repeating cycle.[2] A photovoltaic system can power a low-energy air circulation fan, and a motor to slowly rotate a large disk filled with desiccant.

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Post by dean Thu May 23, 2013 6:52 am

http://www.gizmag.com/uge-visionair-wind-turbine/27609/?utm_source=Gizmag+Subscribers&utm_campaign=b3278aa19d-UA-2235360-4&utm_medium=email&utm_term=0_65b67362bd-b3278aa19d-90245106

The new turbine is a tad larger than the 4K at 5.2 x 3.2 m (17.1 x 10.5 ft) and 756 kg (1,665 lbs), but the heftier size allows it to produce more energy overall while maintaining a small footprint. Even with the greater dimensions , the turbine still creates only a whisper-quiet noise level of 38 dB.

The VisionAIR actually generates less energy at 5.5 m/s winds (3,600 kWh/yr versus the 4K's 4,500 kWh/yr), but a lower rated wind speed might help it make up the difference. By dropping the rated wind speed from 12 m/s (26 mph) to 11 m/s (24 mph), the turbine reaches its maximum power output on slightly calmer days, leading to a higher average production over time. It may seem like a small change, but it could have a large impact under the right conditions.

solar updates reflective and PV for the world - Page 2 Uge-visionair-wind-turbine-4

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Post by dean Mon May 13, 2013 9:18 am

http://reneweconomy.com.au/2013/citigroup-how-solar-module-prices-could-fall-to-25cwatt-41384
Energy analysts at global investment bank Citigroup suggest that the cost of solar PV modules could fall beyond most expectations in coming years – and reach a cost of just 25c a watt by 2020.

The prediction is included in an analysis of the market forces that are likely to shape the world’s energy future in the coming year. We reported on the major part of that report last Thursday, but Citi’s estimates on the cost of solar PV are intriguing, because they are well below most forecasts.

The rate of decline in the cost of solar PV in recent years has confounded most experts, even the optimists within the solar industry itself, and it has certainly taken the conventional power industry completely by surprise.

Yet there is still great divergence of opinion about what the future holds, and what the anticipated rationalisation among solar module manufacturers might mean.

The US Department of Energy, for instance, says its Solar Sunshot program aims to get the cost of solar PV down to $1/watt by 2020 (50c/W for the modules, the rest in balance of systems costs) – a situation that would deliver energy at a levellised cost of around $60/MWh, making it cheaper than new coal and gas-fired generation.

Bloomberg New Energy Finance makes a similar forecast. Greentech Media recently lowered its forecast for solar modules to 42c/W by 2015. On the other hand, Australia’s official government forecaster, The Bureau of Resource and Energy Economics, suggests that the starting point is higher than most current estimates, and predicts solar PV will not fall much below $140/MWh by 2020, and then make little progress over the following decade.

solar updates reflective and PV for the world - Page 2 Citi-solar-three-speed

http://en.wikipedia.org/wiki/Price_per_watt
Price per watt, or $/W is a common way to compare the capital costs of various forms of electricity generation. It refers to the number of dollars one would have to spend to buy a machine capable of producing one watt of electricity. It is calculated by dividing the total project capital cost by the amount of peak power (watts-peak, or "Wp") it can produce.
Coal power plants are generally one of the least expensive sources of electricity by this measure, at around $2.10 a watt.[1] Large hydroelectric systems can be even less expensive by this measure; the Three Gorges Dam is reported to have cost ¥180 billion (US$26 billion), about $1 a watt, but actual costs are widely believed to be much higher.[2] Solar panels are currently selling for as low as US$0.70c a watt (7-April-2012) in industrial quantities; the balance of system costs (inverters, racks, wiring, marketing) made the median price in 2011 of large (>100 kW) systems $2.60/watt in Germany and $4.87/watt in the US.[3] The price difference between German and US photovoltaic systems was analyzed in 2013 by Lawrence Berkeley National Laboratory.[4] Large wind turbines cost about $2 a watt.[5] Natural gas-fired peaking power plants are around $6 a watt.[6]
The cost of electricity produced depends also upon how much energy each installed watt produces over the course of a year. In the US, photovoltaic (PV) panels will see an average of 4–5 hours per day [7] of full sun, so the effective capacity of solar power generation is 4.5/24, or about 20%. In 2011, statistics [8] showed that US installed solar power, PV and thermal, totaled 4.9 GW, which produced 7454 GWh of energy. If the sun were always overhead, the installed capacity of 4.9 GW would have produced 4.9 x 24 x 365=42924 GW hours, so the actual production was 18%.

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solar updates reflective and PV for the world - Page 2 Empty ok wind too...

Post by dean Mon May 13, 2013 8:24 am

if the specs for this one are correct it is ideal for laventana.
solar updates reflective and PV for the world - Page 2 Invelox

Invelox wind turbine claims 600% advantage in energy output

SheerWind, a wind power company from Minnesota, USA, has announced the results of tests it has carried out with its new Invelox wind power generation technology. The company says that during tests its turbine could generate six times more energy than the amount produced by traditional turbines mounted on towers. Besides, the costs of producing wind energy with Invelox are lower, delivering electricity with prices that can compete with natural gas and hydropower.

Invelox takes a novel approach to wind power generation as it doesn’t rely on high wind speeds. Instead, it captures wind at any speed, even a breeze, from a portal located above ground. The wind captured is then funneled through a duct where it will pick up speed. The resulting kinetic energy will drive the generator on the ground level. By bringing the airflow from the top of the tower, it’s possible to generate more power with smaller turbine blades, SheerWind says.

As to the sixfold output claim, as with many new technologies promising a performance breakthrough, it needs to be viewed with caution. SheerWind makes the claim based on its own comparative tests, the precise methodology of which is not entirely clear.

"We used the same turbine-generator (with a given load bank) and mounted it on a tower as is the case for traditional wind mills," SheerWind told Gizmag. "We measured wind speed and power output. Then we placed the same turbine-generator system (subjected to the same load), again we measured free stream wind speed, wind speed inside the INVELOX, and power. Then we used the power-speed relationship over 5 to 15 days (depending on the test), and calculated energy in kWh. Six hundred percent more energy was for one of the days. [...] The improvements in energy production ranged from 81 percent to 660 percent, with an average of about 314 percent more energy."

All else being equal, it would seem to be the latter category that is the most useful indicator.

Besides power performance and the fact it can operate at wind speeds as low as 1 mph, SheerWind says Invelox costs less than US$750 per kilowatt to install. It is also claimed that operating costs are significantly reduced compared to traditional turbine technology. Due to its reduced size, the system is supposedly safer for birds and other wildlife, concerns that also informed the designers of the Ewicon bladeless turbine. Finally, the system also makes it possible for multiple towers to network, that is, to get power from the same generator.

Utility-scale availability of Invelox is slated for 2014.

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Post by dean Wed Apr 24, 2013 10:12 am

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solar updates reflective and PV for the world - Page 2 Empty Nano-engineered panel passively cools buildings by emitting

Post by dean Wed Apr 24, 2013 10:08 am

http://www.gizmag.com/sunlight-reflecting-heat-emitting-panel/27229/?utm_source=Gizmag+Subscribers&utm_campaign=01831ede93-UA-2235360-4&utm_medium=email

Nano-engineered panel passively cools buildings by emitting heat into space

Studies have already shown us how white-painted roofs can help cool buildings by reflecting sunlight, while "green" roofs beat the heat by blocking sunlight and providing a source of evaporative cooling. Now, a team of scientists from Stanford University have created a panel that not only reflects sunlight, but it also draws heat from within the building and emits it into outer space.

First of all, the panel acts as a highly-effective mirror, sending most incoming sunlight back from whence it came. Reflective surfaces can still get hot, however, which is where the device’s ability to emit thermal radiation (heat) comes into the picture.

When thermal radiation is blocked by the Earth’s atmosphere, it becomes trapped between the ground and outer space – this is what lies behind the greenhouse effect. The Stanford panel, however, is made from nanostructured photonic materials (including quartz and silicon carbide), that cause the radiation to be emitted at a wavelength at which the atmosphere is virtually transparent. This allows the radiation to pass freely through, into the freezing vacuum of outer space.

The panel is capable of a net cooling power of over 100 watts per square meter (10.8 sq ft). According to the researchers, this means that “a typical one-story, single-family house with just ten percent of its roof covered by radiative cooling panels could offset 35 percent its entire air conditioning needs during the hottest hours of the summer.” What’s more, the panels are completely passive, with no moving parts and not requiring any power source (including the sun) to operate.

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solar updates reflective and PV for the world - Page 2 Empty Hybrid solar system boosts natural gas powerplant efficiency

Post by dean Thu Apr 18, 2013 8:43 am

http://www.gizmag.com/solar-gas-hybrid/27073/?utm_source=Gizmag+Subscribers&utm_campaign=10c8ffffec-UA-2235360-4&utm_medium=email

Solar power holds the promise of clean, limitless energy, but it currently suffers from high costs and an inherent disadvantage of not working when the sun isn't shining. The Department of Energy's Pacific Northwest National Laboratory is taking a best-of-both-worlds approach by developing a hybrid solar/gas system that increases the efficiency and reduces the carbon footprint of natural gas power plants.

The PNNL system uses a parabolic mirror to focus sunlight on a four by two-foot (1.2 x 0.6-m) chemical reactor lined with narrow channels 8.1 mm (0.318 in) wide. The sunlight heats natural gas in the channels next to a catalyst that breaks down the gas molecules into a mixture of hydrogen and carbon dioxide called synthesis gas or syngas. Connected to the reactor is a heat exchanger that collects waste heat from the reaction and recycles it back to the reactor to boost the process until 60 percent of the sunlight is converted to chemical energy. Tests indicate that the system allows a natural gas plant to operate at about 20 percent greater efficiency.

"Our system will enable power plants to use less natural gas to produce the same amount of electricity they already make," says PNNL engineer Bob Wegeng, who is leading the project. "At the same time, the system lowers a power plant's greenhouse gas emissions at a cost that's competitive with traditional fossil fuel power."It's no surprise that the system works best in areas with lots of sunshine and according to PNNL, it's adaptable to different sizes of natural gas power plant sizes with a 500 MW plant needing about 3,000 solar dishes. In addition, the syngas can also be used to produce synthetic fuels for vehicles.

PNNL plans to test the system at its campus in Richland, Washington as part of a program to increase the system’s efficiency and bring down the cost to a projected six US cents per kilowatt-hour by 2020 to make it competitive with conventional fossil-fuel plants. Also, methods aimed at mass producing the system will be developed at the Microproducts Breakthrough Institute, a research and development facility in Corvallis, Oregon, while industrial partner SolarThermoChemical LLC plans to manufacture and sell the system after development
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solar updates reflective and PV for the world - Page 2 Empty World's largest wind farm,

Post by dean Wed Apr 10, 2013 3:36 pm

http://www.gizmag.com/worlds-largest-wind-farm-london-array-revs-up-to-full-output/27006/

Phase one of the London Array usurped the UK's Greater Gabbard to become the largest operational offshore wind farm in the world when its final turbine (its 175th) was commissioned on Saturday afternoon. Though construction was completed back in December, it is only now that all of the farm's turbines are supplying the UK's national grid with electrical power. The array has a total capacity of 630 MW.


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solar updates reflective and PV for the world - Page 2 Empty World’s largest concentrated solar power plant

Post by dean Fri Apr 05, 2013 9:29 am

http://www.gizmag.com/shams-1-worlds-largest-concentrated-solar-power-plant/26707/

Thanks to its low latitude and low percentage of cloudy days, the United Arab Emirates (UAE) is an ideal location for capturing solar energy. So it’s no surprise to see the world’s largest operating concentrated solar power (CSP) has launched in the sun-soaked Middle Eastern country. Officially inaugurated this week by UAE President and Ruler of Abu Dhabi, Sheikh Khalifa bin Zayed Al Nahyan, Shams 1 is a 100 MW CSP that will power 20,000 UAE homes.Construction on Shams (which is Arabic for "Sun") 1 began in the second half of 2010 at a site roughly 120 km (75 miles) southwest of Abu Dhabi. The power plant sees an area of 2.5 km2 (1 sq mile) covered with 250,000 mirrors mounted on 768 parabolic trough collectors. The parabolic mirrors focus sunlight onto oil filled pipes that are heat water and produce steam that is then used to drive a turbine. Being located in the middle of the desert, a dry-cooling system is used to keep water consumption down.

Built at a cost of around €460 million (US$595 million), Shams 1 is a joint venture between French petroleum company Total (20 percent), Spanish company Abengoa Solar (20 percent), and Masdar (60 percent). With the addition of Shams 1, Masdar, which was established to develop and manage Masdar City, is claiming to account for almost 10 percent of the world’s installed CSP capacity.Masdar claims Shams 1 will cut the UAE’s CO2 emissions by roughly 175,000 tonnes (193,000 tons) per year, which it equates to planting 1.5 million trees, or taking 15,000 cars off the road.

While Shams 1 can lay claim to the largest capacity CSP plant currently in operation, it isn’t likely to hold the title for long. CSP is “gathering steam” in many parts of the world, with no less than nine 100 MW or higher capacity CSP plants already under construction in the U.S., India and Morocco, and many more planned around the world.

The construction of Shams 1 can be seen in the video below.

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solar updates reflective and PV for the world - Page 2 Empty Volcano power plan gets U.S. go-ahead

Post by dean Thu Nov 01, 2012 6:45 am

this conceptually could work here at the many hot springs in the baja.


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solar updates reflective and PV for the world - Page 2 Empty wind power

Post by dean Wed Oct 31, 2012 6:19 am

this one would be perfect for our area. it is shown operating at 11 mph wind.

http://www.gizmag.com/darwind5-vertical-axis-wind-turbine/24696/?utm_source=Gizmag+Subscribers&utm_campaign=059618f507-UA-2235360-4&utm_medium=email

Ontario, Canada has carved out a niche for itself as a hub of green technology. One of the latest clean tech innovations to come out of that province is DARWIND5, a vertical axis wind turbine (VAWT). Designed by Harvistor, it comes with a promise of more oomph than existing models for small-scale wind power generation. According to the company, recent tests showed that its technology can achieve 35 percent more kilowatt hours per year than current VAWTs for the same sweep area, besides operating at 25 percent lower heights than similarly priced market leaders.



Individually, each rotor has a longer power stroke than previously thought possible because the new airfoil shape flies upside down and right side up during key parts of rotation, like a stunt airplane doing a full loop. During rotation, the lift forces change twice from moving away from the shaft to moving toward the shaft, making for the longer stroke. All of these forces occur on the windward side of the turbine – any turbulence exits on the leeward side, where it doesn't affect the turbine. This avoids individual torque peaks, which are a major cause of wind turbine breakdowns

With nameplate power (capacity under ideal conditions) ranging between 500 watts and 1.5 kilowatts in a 1.2-meter (3.9-ft) working diameter, DARWIND5 operates at a speed that ranges between 4 m (13.2 ft) and 24 m (78.7 ft) per second. It doesn’t need a brake because it self-regulates the top RPM – until now, unregulated top speeds have been a problem with VAWT design. A cantilevered tilt mount design reportedly makes cleaning and repairing an easy task, allowing it to be done anytime without power production loss or delays.

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solar updates reflective and PV for the world - Page 2 Empty Heat-conducting composite pipes could make desalination less

Post by dean Tue Oct 09, 2012 6:31 am

http://www.gizmag.com/composite-desalination-pipes/24470/?utm_source=Gizmag+Subscribers&utm_campaign=0c768aec5c-UA-2235360-4&utm_medium=email

Heat-conducting composite pipes could make desalination less costly

In a typical desalination plant, pipes made from titanium or other expensive types of metal are an integral part of the process. Now, however, scientists have created a new type of piping material that is much cheaper to produce – potentially making desalination possible in countries that previously couldn’t afford it.

Ordinarily, hot water or gas is pumped through pipes composed of titanium or a high-alloy steel. That piping conducts heat from the water or gas, which is transferred to its outer surface, causing it to become hot. When seawater is then sprayed onto the outside of that hot pipe, its pure water content evaporates and is collected, while its salt content forms into a sludge on the pipe.

In an effort to come up with a less costly heat-conductive piping material, researchers from Germany’s Fraunhofer Institute for Manufacturing Technology and Advanced Materials combined a polymer with copper microfibers – the mix is as much as 50 percent copper, by volume. The resulting composite can reportedly still be processed like regular plastic, yet it conducts heat like metal.

Pipes made from the material are now being tested in a desalination plant, where gas heated to 70ºC (158ºF) is continuously being pumped through them. The scientists plan on assessing the material’s thermal conductivity along with its corrosion resistance, then tweaking the mixture as needed.

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solar updates reflective and PV for the world - Page 2 Empty Mobile machine can make biofuel for military and humanitaria

Post by dean Tue Aug 21, 2012 9:06 am

Mobile machine can make biofuel for military and humanitarian operations

http://www.gizmag.com/ebr-argonne-biofuel-military/23729/?utm_source=Gizmag+Subscribers&utm_campaign=c13d67b3e8-UA-2235360-4&utm_medium=email

solar updates reflective and PV for the world - Page 2 Ebr

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solar updates reflective and PV for the world - Page 2 Empty baja renewable and a tecate solar plant

Post by dean Fri May 11, 2012 4:29 pm


good information about baja...
http://www.desline.com/articoli/8924.pdf
Renewable energy powered desalination in
Baja California Sur, Mexico



http://www.solarpowerworldonline.com/2012/03/solfocus-builds-first-50-mw-solar-power-plant-in-baja-california/
SolFocus joined with Mexican land and real estate developer Grupo Musa and U.S.-based energy developer Synergy Technologies LLC to announce the launch of a landmark solar power plant in Baja California near Tecate, Mexico.

The project, planned as a 450 MW total capacity, will be built in 50 MW tranches, with construction on the first tranche starting in late 2012 and being operational before the end of 2013. The power plant, which will use SolFocus Concentrator Photovoltaic (CPV) equipment, will be owned and operated by SolMex Energy S.A. de C.V., the new company formed by Grupo Musa and Synergy Technologies for the production of clean solar energy in Mexico.

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solar updates reflective and PV for the world - Page 2 Empty for remote areas

Post by dean Thu Apr 05, 2012 7:54 am

consumes no water to generate electricity...

http://www.gizmag.com/aora-tulip-solar-power-plant/22067/?utm_source=Gizmag+Subscribers&utm_campaign=c4adb52b11-UA-2235360-4&utm_medium=email

The scalable, modular system incorporates 52 mirrors – or heliostats – which are arranged on the ground around the base of the Tulip. They turn to track with the sun, reflecting and concentrating its rays onto the plant’s top-mounted “bulb” at all times of the day. This causes the air inside the bulb to heat to temperatures as high as 1,000ºC (1,832ºF). That ultra-hot air is then used to run a turbine generator.

The plant has an output capacity of 100 kilowatts-equivalent – reportedly enough to power 60 to 80 homes.
solar updates reflective and PV for the world - Page 2 Aorasystem-3

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Post by dean Thu Feb 09, 2012 12:01 pm

this one is so ideal for baja.... just the first one so of course the cost is high...

http://news.cnet.com/8301-11386_3-57373508-76/solar-tower-will-power-las-vegas-at-night/?part=rss&subj=news&tag=2547-1_3-0-20&tag=nl.e703
The cost for energy from this plant is projected to be 13.5 cents per kilowatt-hour and will go up 1 percent a year during its 25-year power purchase agreement. That's cheaper than a new nuclear power plant or a coal plant with carbon capture and storage, but more expensive than a new natural gas plant, Smith said



"This technology has been well proven. (But) this is project No. 1, so it's like a hand-crafted large-scale project," he said. "The key for future projects is to make improvements on the pricing."

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solar updates reflective and PV for the world - Page 2 Empty Solar panels keep greenhouses cooler in summer, let the sun

Post by dean Mon Jan 16, 2012 6:29 am

this is also ideal for baja
http://www.gizmag.com/umla-solar-greenhouse/21090/?utm_source=Gizmag+Subscribers&utm_campaign=7fe5ae2a6e-UA-2235360-4&utm_medium=email
Solar panels keep greenhouses cooler in summer, let the sun through in winter
solar updates reflective and PV for the world - Page 2 Ulma-greenhouse
Spain's ULMA Agrícola consortium and Tecnalia research center have developed a new type of photovoltaic solar panel for greenhouses that can generate electricity without an adverse effect on the crops grown within, while additionally providing cooling in summer. The system is designed to exploit the annual oscillation - the variation in the height of the sun's path across the sky over the course of the year. In theory, no solar radiation is compromised over winter, but surplus radiation can be diverted to electricity-generation during summer.

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solar updates reflective and PV for the world - Page 2 Empty Re: solar updates reflective and PV for the world

Post by dean Mon Jan 16, 2012 6:27 am

also where I have stuff posted

http://la-ventana.forumotion.com/t230-solar-photovoltaic-and-others

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solar updates reflective and PV for the world - Page 2 Empty kiting at 2-4 cents a kwh

Post by dean Mon Dec 19, 2011 11:41 am

http://www.gizmag.com/kitegen-high-altitude-wind-turbine/20335/?utm_source=Gizmag+Subscribers&utm_campaign=bf11794e6c-UA-2235360-4&utm_medium=email

KiteGen looks to get wind-power off the ground


Wind-power has rapidly evolved over the last decade to become a key part of the alternative energy mix with towering rows of turbines now dotting horizons all over the globe. One of the drawbacks to the conventional windmill approach is that they are still low to the ground, so why not go to where the winds are stronger and more consistent - up. Like the Magenn Air Rotor System, KiteGen technology is aiming to do just that. The system generates energy by guiding tethered kites over a predefined flight path in order to rotate a ground based turbine and, while only in the testing and planning phases, it looks to be a promising solution. The large wings (or kites) in the KiteGen system are driven by avionic sensors located in a dome base that also houses an electric generator. The control system is designed to automatically guide the kites in order to rotate the turbine and maximize torque. As altitude increases, average wind speeds increase as well. This is a factor that traditional wind turbines cannot compete against, since they are stationary and are generally only able to reach heights of 100m.
solar updates reflective and PV for the world - Page 2 Kitegen-6

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solar updates reflective and PV for the world - Page 2 Empty salt driven technology in testing phase

Post by dean Mon Nov 07, 2011 11:32 am

most of our cooling need is removal of moisture. if this ever gets to production would be great.

http://news.cnet.com/8301-11128_3-57319061-54/salt-driven-air-conditioner-looks-to-slash-energy/?tag=rtcol

BOSTON--Startup 7AC Technologies hopes saltwater and high-tech plastic will lead to a more efficient air conditioner.

The Woburn, Mass.-based company is in the process of raising a $1.3 million round, expected to close in two months, to build a commercial prototype of its air conditioner design, said CEO Peter Vandermeulen earlier this week at the Conference on Clean Energy here.

By using a liquid dessicant to remove humidity from air, 7AC Technologies claims it can cut cooling costs by 50 percent to 75 percent and heating costs by about 50 percent. The company has a prototype in its lab and plans to beta test its efficient air conditioner with customers next spring, he said. Eventually, it intends to make a residential system, too, Vandermeulen said.

Traditional air conditioners run using a condenser, much like a refrigerator or heat pump, to remove moisture from the air to cool it. But there are a handful of companies, including Advantix Systems and ClimateWell, building air conditioners using dessicant materials in an effort to lower energy use.

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solar updates reflective and PV for the world - Page 2 Empty window treatment

Post by dean Thu Oct 06, 2011 9:15 am

to go on sale in a year.

http://www.computerworld.com/s/article/9220547/3M_film_turns_windows_into_transparent_solar_panels

3M film turns windows into transparent solar panels
3M said the thin film can easily be applied to windows, generating power and cutting heat, and will begin sales next year.

IDG News Service - 3M has developed a see-through film that turns ordinary windows into solar panels. It will go on sale next year.

The solar film, on display at the Ceatec electronics conference in Japan, is arrayed in narrow, translucent green strips with clear gaps between and then glued to windows in large patches. A square meter of the film can generate roughly enough electricity to charge an iPhone under peak sunlight, but still allows for high visibility.

The product currently generates only about 20% of the electricity that a traditional silicon solar panel does, and will cost about half as much, though the final price has not been decided.

But it is also far easier to install and takes up no additional space. 3M has strong expertise in adhesives, where its less technical products include Scotch tape and Post-it sticky notes.

"An average person could go to the store, buy some of this, and then bring it home and install it themselves," said Yasuhiro Aoyagi, a senior manager in the company's construction markets division.

He said it is made from an organic photovoltaic material that is printed on in sheets, and will come down in price as production increases. The film blocks or absorbs about 80% of visible light and over 90% of infrared light, so it also acts as a sunshade.

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