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Environment & Energy

A Reckoning Hits Electric Grids Built for Last Century’s Climate

Feb. 23, 2021, 1:00 PM

It’s not the new technology of renewable power that’s destabilizing the electric grid. It’s the new weather.

The U.S. electric industry plans for the weather of the past, building systems that can withstand the intensity of storms, heat waves and cold snaps long considered normal. But that normal has been made obsolete by climate change that’s has already pushed global average temperatures beyond bounds of the past. Extreme weather events like last week’s Texas deep freeze that left millions of homes and business in the dark were once written off as “black swans,” so rare it didn’t...

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