Solar Power for Dry Cells

The new roof on a California jail will keep prisoners out of the rain -- and be the largest photovoltaic installation of its kind in the U.S.

Blackouts have been good for business at PowerLight Corp., which makes and installs grid-connected solar-electricity systems. As California's chaotic power-industry deregulation spawned rolling blackouts and spiraling energy bills, it also boosted PowerLight's business, says Janice Lin, director of business development at the company, which is headquartered in Berkeley, Calif.

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