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greeninc.blogs.nytimes.com - 28 days ago
Water Use by Solar Projects Intensifies
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Tensions over water use in the West are likely to increase with Pacific Gas and Electric's announcement Monday that the utility will buy 500 megawatts of electricity from two solar power plant projects to be built in the California desert.
Solar Power When the Sun Goes Down?
greeninc.blogs.nytimes.com - 21 days ago
Solar Power When the Sun Goes Down?
— greeninc.blogs.nytimes.com — The Holy Grail of renewable energy is a solar power plant that continues producing electricity after the... sun goes down. A California company has taken a step toward making that a reality. (more) Solar Power When the Sun Goes Down?

Comments vote down Earth2Tech found this 21 days agofound this
GreenCitiesCalifornia.org - 10/21/2009
Green Cities California
— GreenCitiesCalifornia.org — Welcome to the Best Practices website of Green Cities California (GCC)! Here you’ll find easily accessible, ground... breaking environmental policies, or Best Practices, that you can immediately download and modify for your jurisdiction. Best Practices ... (more) Green Cities California

Comments vote down Greener Buildings found this 10/21/2009found this
Working Towards a Sustainable Chamber of Commerce
triplepundit.com - 22 days ago
Working Towards a Sustainable Chamber of Commerce
— triplepundit.com — As I have profiled in The Secret Green Sauce, CEOs are emerging as leaders in adopting sustainability... with over half of the Fortune 500 companies now tracking their carbon footprint. 85% of American consumers have now purchased a green product. Time ... (more) Working Towards a Sustainable Chamber of Commerce

Comments vote down Ramsay Home found this 22 days agofound this

Blog Reactions

Earth2Tech:  Daily Sprout

Environmental Leader:  Solar Growth Causes Water Worries

Climate Progress:  Solar power when the sun goes down — with help from United Technologies

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Daily Sprout
Earth2Tech — ... Thirsty Solar Projects: With 35 big solar farm projects undergoing licensing or planned for arid regions of California alone, water is emerging as a contentious issue. — NYT’s Green Inc. ...

Solar Growth Causes Water Worries
Environmental Leader — October 29, 2009 Solar Growth Causes Water Worries solar and sky2 California and other western states are pegging their energy future on renewables, including solar. But that growth comes at a cost to the region’s already dwindling water supply, reports the New York Times . Many solar power plants consumer millions and millions of gallons of water a year for power-plant cooling purposes, as well as steam generation to drive turbines. This potentially pits renewable energy against water-hungry agricultural interests, as well as urban water users. Recently, Pacific Gas & Electric ...

Solar power when the sun goes down — with help from United Technologies
Climate Progress — ... SolarReserve’s plant will be built on private land — the site of a former World War II-era Army airfield — near the desert ghost town of Rice. The company will air-cool the power plant, avoiding controversies over water use that have dogged other solar projects…. ...

Solar power when the sun goes down — with help from United Technologies
Grist - the Latest from Grist — ... Rice. The company will air-cool the power plant, avoiding controversies over water use that have dogged other solar projects … ...

Electricity and Water– Can We Have Both?
Alternative Energy Stocks — ... This issue of cooling and water use is currently raising lots of questions (and creating lots of confusion!) because of the concern about large solar thermal plants in the deserts of CA and AZ. Today’s reality is that some types of solar plants have material limitations that keep the hottest temperature lower than in a coal or nuclear plant. For this reason, their efficiency is slightly lower (perhaps 28-30% vs 32-34%) and thus their cooling needs are slightly higher. However, please note that the solar thermal technology is rapidly evolving, and there are already several ...

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