CibbuanoSolar-powered billboard generates excess energy
December 12th 2007 18:26
It's a little bit of a marketing plot, but at least it shows the direction that companies are forced to move to.
From the post:
"On sunny days, the sign converts sunlight into about 3.4 kilowatts of energy, which is almost enough to power the household of an average U.S. family of four during the day. Zelwer said the billboard generates about 2.5 kilowatts of energy during cloudy days.
Although the billboard does borrow electricity at night, she said it has other green-technology tricks up its sleeves to keep the ratio of energy produced to energy consumed in the positive. "
By using LEDs instead of halogen lights, they've cut the power usage by one-third. The company is hoping to convert all of California's billboards into solar collectors, which could have a really tremendous effect on the system.
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