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During one of the Sun's 11-year cycles, there was a weak correlation between cosmic ray intensity and cloud cover (which could at the very most explain only a quarter of the changes in cloudiness). And for the following cycle, no correlation was found

Tags: solar, research, source, environment, carbon on 2008-04-03 and saved by3 people -All Annotations (0) -About

more fromnews.bbc.co.uk

PALTRY funding "DOE provides hands-on assistance from technical experts to help Solar America Cities integrate solar technologies into city facilities and energy planning. Experts are available to assist S.A. Cities in streamlining local regulations

Tags: policy, us, solar, energy, renewable on 2008-04-03 -All Annotations (0) -About

more fromwww.solaramericacities.org

Torresol Energy will promote the construction of at least two Concentrated Solar Energy plants per year. In this way, the production base installed in 2010 will add up to nearly 320 MW and will come close to 1,000 MW in ten years time.

Tags: solar, energy, business, trend, data on 2008-04-03 -All Annotations (0) -About

more fromwww.torresolenergy.com

These first three plants will add up to 500 megawatts of capacity, but PG&E has also signed contracts for options on an additional 400 megawatts, which could bring the total to 900 megawatts

Tags: solar, energy, data on 2008-04-03 and saved by2 people -All Annotations (0) -About

more fromwww.treehugger.com

completing it's $100M manufacturing plant, and starting up the manufacture of nearly 500 megawatts of solar generating capacity per year, NanoSolar is taking yet more investment

Tags: energy, solar, renewable, business, trend on 2008-04-02 -All Annotations (0) -About

more fromwww.ecogeek.org

install 1 megawatt per week starting in August. Once the project is finished, it will take up 65,000,000 square feet of roofs that would otherwise be unused and produce enough clean energy to supply about 162,000 homes. The total cost of the project will

Tags: energy, retail, innovation, solar, renewable, sustainabledevelopment, us, business on 2008-03-31 -All Annotations (0) -About

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solar constant (there are 1366 watts of solar radiation hitting each square meter of the Earth on average) is working on improving multi-crystalline silicon solar panels. They claim to have found ways to make them about as efficient as single-crystal sili

Tags: solar, research, data, energy, renewable on 2008-03-31 and saved by2 people -All Annotations (0) -About

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maximize light and heat from the sun to our benefit in our buildings, to solar thermal, the most widely used category of solar energy technology, including solar cooking, water distillation and purification and lots more, to heating water for our use and

Tags: solar, energy, data on 2008-03-31 -All Annotations (0) -About

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The 19.9% efficiency doesn't seem all that fantastic when compared with 42% efficient monocrystaline solar panels. But the advantage of thin-film cells has long been how cheap they can be to produce and install.

Tags: energy, research, solar, data on 2008-03-27 -All Annotations (0) -About

more fromwww.ecogeek.org

motorola programme to power mobile phone towers with a combo of wind turbines + solar panels - particularly useful in remote african areas where there's no grid.

Tags: greencorporateprogrammes, technology, energy, solar, wind, sustainabledevelopment on 2008-03-27 -All Annotations (0) -About

more fromwww.ecogeek.org

world’s smallest solar powered car, this toy measures just 3.3 x 2.2 x 1.4 cm and is completely solar powered

Tags: solar, visualization on 2008-03-27 -All Annotations (0) -About

more fromwww.automotogadgets.com

at a commercial scale, the first cells incorporating his new technology will cost $1.65 per watt. Planned improvements will bring down this cost to about $1.30 a watt, he says. To compete with coal, the cost will need to come down to about $1 a watt, some

Tags: solar, energy, data, research on 2008-03-27 -All Annotations (0) -About

more fromwww.technologyreview.com

Solar-power-plant company Ausra has released a paper claiming that solar-thermal electric technology can provide 90 percent of U.S. grid electricity, with enough left over to power a fleet of plug-in electric vehicles. The company estimates that such a ch

Tags: data, solar, energy, environment on 2008-03-26 and saved by5 people -All Annotations (0) -About

more fromblog.wired.com

he size of Vermont" in the intro scared you, know that it would represent "less than 1% of America's deserts, less land than currently in use in the U.S. for coal mines, and a tiny fraction of the land currently in agricultural use."

Tags: data, solar, energy, us, policy, environment on 2008-03-26 -All Annotations (0) -About

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The greenhouse gas emission solar water heating would reduce is equivalent to the emissions of 4 million cars,

Tags: solar, data, research, architecture, carbon, trend on 2008-03-17 -All Annotations (0) -About

more fromwww.ecofuss.com

Paint is applied to steel when it is passed through rollers during the manufacturing process, and it is hoped that the same approach can be used to build up layers of the solar cell system. The researchers' aim is to produce cells that can be painted onto

Tags: solar, energy, research on 2008-03-13 -All Annotations (0) -About

more fromwww.swan.ac.uk

While wind’s capacity factor varies from 32% at the sites examined to 40% at excellent sites, the capacity factor for a 4.6 MW PV array in Arizona is determined to be19% over two years

Tags: solar, wind, energy, data, research on 2008-03-07 -All Annotations (0) -About

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highly efficient inkjet printed organic bulk heterojunction solar cells in a paper recently published in Advanced Materials,

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old solar-optimized house Using our own real-life example

Tags: solar, renewable, business, trend, data, energy on 2007-10-17 -All Annotations (0) -About

more frommoney.cnn.com

Coal plant : 80% to 90% debt at 5.5% to 6%, 11% ROE. average cost of capital at about 7%. ausra solar thermal: only 50% debt, at 7.5%. investors demand a risk premium, raising the ROE to 20%. overall cost of capital for Ausra's first plants is 12%.

Tags: energy, renewable, solar, data, business, trend on 2007-10-17 -All Annotations (0) -About

more fromwww.businessweek.com