- Ritter, Xcel at odds over solar subsidy - EF News
To encourage more customers to use solar, Xcel launched a program two years ago that offered customers a $2 50-per-watt renewable energy credit and a $2-per-watt rebate for residential solar systems The credit comes from Xcel's operating costs, while the rebate is funded by a surcharge that Xcel collects from all customers
- Industry looks to LEDs for homes - EF News
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 bulb Much of the industryÂ’s effort is aimed at making LED lamps that emit as much light as a 60- or 75-watt incandescent bulb
- Project helps energize home - EF News
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 things For example, the 500-watt generator's alternator, he said, is a car alternator that he modified to use for the generator
- SunPower achieves new efficiency record - EF News
The researchers claim that nanotechnology, in combination with sunlight concentrated through mirror systems, can bring about the creation of the world's most energy-efficient solar cell, with costs of only 0 5 euros US $0 62 per Watt peak
- A tale of two energy segments - EF News
A tale of two energy segments- EF NewsFirst Solar aims to drop the cost of solar power to as little as 65 cents per watt by 2010-12 by expanding manufacturing facilities in Malaysia, where the company can make modules for 20 cents per watt less than it can at its Ohio operations, Dougherty says
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- Wind turbine up and spinning - EF News
The school broke ground on its new 1,800-watt, 50-foot-high wind turbine project on May 20 and celebrated itÂ’s completion with a ribbon-cutting ceremony on June 15 The project was estimated at $26,250, with local service clubs and groups making donations and approximately $5,000 of in-kind donations from local businesses, says McConkey
- Using people power to light up our lives - EF News
Those who trip the light fantastic at Club WATT in Rotterdam power the in-house lighting system, allowing dancers to see just how much electricity they're creating Cut to a specific size, quartz stones vibrate at a specific frequency, causing them to expand and contract, providing a regular piezoelectric charge
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