Rose-Colored Blackouts: ERCOT’s Faulty Math Portends More Texas Outages This Summer

6/21/21
 
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from TPPF,
6/21/21:

What To Know: Officials with ERCOT say they were caught off-guard by high temperatures last week, causing them to ask consumers to lower their power demands.

The TPPF Take: It’s going to be a long, hot summer in Texas, and ERCOT is simply unprepared.

“The problem is straightforward, if not simple — reserve margin calculations overestimate performance of wind and solar, which make up a significant and growing chunk of our electric generation,” says TPPF’s Jason Isaac. “Unlike natural gas, clean coal, and nuclear — which produce a near-constant flow of electricity with reliability percentages rarely falling below the mid-90s — wind and solar production fluctuates wildly.”

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