What about Canada - tidal resources - Maratimes?
India state to be site of tidal power farm
NEW DELHI (UPI) -- The Indian state of Gujurat says it will host Asia's first commercial-scale tidal power station, starting construction of a 50-megawatt facility in 2012.
The tidal farm will be constructed in the Gulf of Kutch on India's west coast. It could eventually be expanded to deliver more than 200 megawatts of electricity, the BBC reported Tuesday.
The largest operating tidal station in the world, La Rance in France, generates 240 megawatts, the BBC said.
To take the title of "Asia's first", the Indian project will have to beat developments at South Korea's Sihwa Lake, a tidal array under construction on that country's west coast.
The tidal plant will be built by a British company, Atlantis Resources, which says Gujurat has good potential for tidal exploitation.
"About 2 1/2 years ago we ran a global study of tidal power resources and came up with some hot spots where resource seemed pretty well matched to load," Atlantis Chief Executive Officer Tim Cornelius said.
"One of them was the Gulf of Kutch -- and since then we've had wonderful support from the government, culminating in the announcement that the project was going ahead," he told BBC News.
The cost of the initial 50-megawatt farm is estimated at about $150 million.
Material makes electricity from waste heat
EVANSTON, Ill. (UPI) -- U.S. researchers say they've found a material that can generate electricity from the waste heat of car exhaust systems or industrial processes and equipment.
Researchers at Northwestern University placed nanocrystals of rock salt into lead telluride to create a material that is expected to be able to convert 14 percent of heat waste to electricity, a university release said Tuesday.
"It has been known for 100 years that semiconductors have this property that can harness electricity," chemistry Professor Mercouri Kanatzidis said. "To make this an efficient process, all you need is the right material, and we have found a recipe or system to make this material."
"We can put this material inside of an inexpensive device with a few electrical wires and attach it to something like a light bulb," said Vinayak Dravid, professor of materials science and engineering and co-author of the paper. "The device can make the light bulb more efficient by taking the heat it generates and converting part of the heat, 10 to 15 percent, into a more useful energy like electricity."
Automotive, chemical, brick, glass and other industries that use heat to make products could make their systems more efficient with the use of this scientific discovery, Kanatzidis said.
Copyright 2011 by United Press International
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