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Richard Dooley, Canwest News Service, June 07, 2008
Thousands of kilometres of unused mines in the former coal mining capital of Canada could be getting new life as a source of clean, renewable energy to heat schools and hospitals in one of the largest geothermal projects ever contemplated.
Cape Breton sits on top of 3,200 kilometres of unused underground coal mines, some stretching far out under the Atlantic Ocean. The mines once supplied Canada with half its coal requirements.
Since the last underground coal mine shut down in 2000, the mines have been allowed to flood with water - which is being warmed by the heat of the Earth. The mine water remains at a constant temperature of between 9 and 15 C, depending on the depth of the shaft.
The Cape Breton Development Corporation and Cape Breton University are now looking at ways of tapping into that warm mine water by using heat-capturing technology to warm everything from hospitals to elementary schools.
Posted by CNP Webmaster as Alternative Energy, Climate Change, Geothermal Energy, Recent Posts on June 8, 2008 - ה' סיון תשס"ח at 7:37 am
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Geothermal could meet 10 percent of U.S. needs by 2050, it finds
The extraordinary amount of heat seething below Earth’s hard rocky crust could help supply the United States with a significant fraction of the electricity it will need in the future, probably at competitive prices and with minimal environmental impact, scientists now claim.
An 18-member panel led by MIT has prepared the first study in some 30 years to take a new look at the largely ignored area of geothermal energy.
Geothermal plants essentially mine heat by using wells at times a mile or more deep. These wells tap into hot rock and connect them with flowing water, producing large amounts of steam and super-hot water that can drive turbines and run electricity generators at the surface. Read the rest of this entry »
Posted by CNP Webmaster as Alternative Energy, Geothermal Energy, Recent Posts on January 23, 2007 - ד' שבט תשס"ז at 3:47 pm
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U.S. Department of Energy - Energy Efficiency and Renewable Energy
Geothermal Technologies Program
November 9, 2006
Some 58 new geothermal energy projects are now under development in the U.S., according to a survey by the Geothermal Energy Association (GEA) — the industry trade group. “This represents the U.S. geothermal industry’s most dramatic wave of expansion since the 1980s,” noted Karl Gawell, GEA’s executive director.
These projects, when developed, would provide up to 2,250 megawatts of electric power capacity, generating approximately 18 billion kilowatt-hours of electricity annually. These additions would serve the needs of 1.8 million households, producing electric power roughly equivalent to all U.S. wind facilities operating in 2005. This would almost double installed U.S. geothermal power capacity to over 5,000 MW, according to GEA. Read the rest of this entry »
Posted by CNP Webmaster as Alternative Energy, Geothermal Energy on November 12, 2006 - כ"א חשון תשס"ז at 10:55 am
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By Neal Sandler (BusinessWeek.com)
A Mideast nation with no oil of its own, Israel is increasingly tapping into a different kind of resource—the inventiveness and persistence of its scientists and entrepreneurs. From shale oil to solar power, Israeli companies are becoming world leaders in alternative energy, exporting their technology to customers worldwide while at the same time reducing Israel’s dependence on costly oil imports.
It’s a good time to be pushing into renewables. As concerns mount over hydrocarbon-induced global warming, interest is surging in non-polluting energy sources. On Oct. 30, British Prime Minister Tony Blair, for instance, released a comprehensive new report on global warming and warned that the consequences of failing to act “are literally disastrous.” At the same time, oil prices are near historically high levels, which makes alternatives more cost-competitive. Read the rest of this entry »
Posted by CNP Webmaster as Alternative Energy, Biomass fuels, Geothermal Energy on November 3, 2006 - י"ב חשון תשס"ז at 10:08 am
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