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California Ran on Nearly 100% Clean Energy This Month

Wind turbines at the San Gorgonio Pass wind farm in Whitewater, California.

Wind turbines at the San Gorgonio Pass wind farm in Whitewater, California.

Photographer: Bing Guan/Bloomberg
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California, which aims to have a carbon-free power grid within 25 years, got a short glimpse of that possibility earlier this month. 

The state’s main grid ran on more than 97% renewable energy at 3:39 p.m. on Sunday April 3, breaking a previous record of 96.4% that was set just a week earlier, the California Independent System Operator said Thursday in a statement.