Trouble in (solar) Paradise: Rooftop solar cells blossom, posing new challenges for power grid
by Andrew on Nov.09, 2009, under solar electric, wind
“… Solar panels and wind turbines offer the promise of clean electricity by deriving their power from wind and the sun. But both suffer from the problem of intermittency: A gust of wind can cause a mill to spin faster, producing a power spike down the line, and a cloud passing over a solar cell can cause a sudden drop in electricity.
Meanwhile, utilities are rushing to upgrade the ability of the region’s interconnected power grid, which is based on 100-year-old technology, to tap renewable resources without causing problems for users. …”
ENERGY: Rooftop solar cells blossom, posing new challenges for power grid .
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