LA Times
"On 14 days during March, Arizona utilities got a gift from California: free solar power.
"Well, actually better than free. California produced so much solar power on those days that it paid Arizona to take excess electricity its residents weren’t using to avoid overloading its own power lines.
"It happened on eight days in January and nine in February as well. All told, those transactions helped save Arizona electricity customers millions of dollars this year, though grid operators declined to say exactly how much.And California also has paid other states to take power.
"The number of days that California dumped its unused solar electricity would have been even higher if the state hadn’t ordered some solar plants to reduce production — even as natural gas power plants, which contribute to greenhouse gas emissions, continued generating electricity.
"Solar and wind power production was curtailed a relatively small amount — about 3% in the first quarter of 2017 — but that’s more than double the same period last year. And the surge in solar power could push the number even higher in the future.
"Why doesn’t California, a champion of renewable energy, use all the solar power it can generate?" . . .
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