steam turbine Archives – The Green Optimistic green tech news, since 2008 Thu, 01 Jul 2010 09:36:32 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Xcel Energy Starts Hybrid Power Plant in Colorado https://www.greenoptimistic.com/xcel-energy-hybrid-solar-coal-power-plant-colorado-20100701/ https://www.greenoptimistic.com/xcel-energy-hybrid-solar-coal-power-plant-colorado-20100701/#comments Thu, 01 Jul 2010 09:36:32 +0000 https://www.greenoptimistic.com/?p=8300 Designed by Abengoa Solar, a Spanish company that has its U.S. headquarters in Lakewood, the $4.5 million plant which is slated for shutdown by the end of 2010, has been converted to test the use of parabolic-trough mirrors.

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]]> https://www.greenoptimistic.com/xcel-energy-hybrid-solar-coal-power-plant-colorado-20100701/feed/ 1 8300 Harvesting Solar Power in Spain With Very Efficient 30 Year Old Technologies https://www.greenoptimistic.com/harvesting-solar-power-in-italy-with-very-efficient-30-year-old-technologies-20091202/ https://www.greenoptimistic.com/harvesting-solar-power-in-italy-with-very-efficient-30-year-old-technologies-20091202/#respond Wed, 02 Dec 2009 15:41:38 +0000 https://www.greenoptimistic.com/?p=5539 Abengoa Solar and E.ON Climate & Renewables have teamed up to build two 50MW concentrating solar power plants in Spain. With a total investment of around 550 million Euro, Helioenergy 1 & 2 will harvest solar power in the best area in Europe in terms of solar radiation: Ecija Seville in Southern Spain. Helioenergy 1 […]

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]]> https://www.greenoptimistic.com/harvesting-solar-power-in-italy-with-very-efficient-30-year-old-technologies-20091202/feed/ 0 5539 The Best Way to Generate Electricity from Pig Poop https://www.greenoptimistic.com/the-best-way-to-generate-electricity-from-pig-poop-20091026/ https://www.greenoptimistic.com/the-best-way-to-generate-electricity-from-pig-poop-20091026/#comments Mon, 26 Oct 2009 21:07:53 +0000 https://www.greenoptimistic.com/?p=4936 Hog farms, where thousands of animals are raised, look really horrible and they pollute rivers, poison groundwater supplies and releaseclouds of methane and carbon dioxide into the atmosphere.

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