Also this fall, Osram, Lighting Science and Philips will introduce 25,000-hour LED lamps that look like traditional bulbs but use just 8 watts of electricity to produce the same amount of light as a 40-watt …

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Once maligned as pie-in-the-sky, green energy programs are now embraced by Duke Energy Corp. as money makers. The profit motive inspired CEO Jim Rogers to come up with save-a-watt, a program …

Later this summer, Ontario electricity consumers will start using power that Mr. Stanton's herd will contribute to the provincial grid. Each of his cows is expected to produce enough manure to keep …

Currently, he uses a 500-watt generator and a 200-watt generator, along with four solar panels, a 170-watt panel and three 20-watt panels. He built all of them himself with parts salvaged from other …

CHINA - China said it will subsidize $2.93 per watt for solar-power projects that generate at least 50 kilowatts. China, like all countries, faces an energy conundrum. As long as the world economy …

Affixed to a section of tin roof, the 1,200-watt system is a smaller version of the one to be installed in the School of Architecture and Design's Beau Soleil Solar Home project starting next month.

Fact: The cost of making a solar cell capable of producing one watt of electricity has fallen from approximately $50 twenty years ago, to under $3 today. In some markets the cost of solar power is …

City officials were originally imagining a unit on the plaza comparable to the 100,000-watt model operating at the Local 103 International Brotherhood of Electrical Workers union hall in Dorchester, …

The agreement also replaces the existing energy efficiency tracker with a new Save-a-Watt model that will compensate Duke Energy based on the success of its energy efficiency programs.