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Thursday's Energy Absurdity: The Next Two Days on the Texas Grid Will Give ERCOT Nightmares
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With temperatures across much of Texas forecast to rise well above 100 degrees Thursday and Friday afternoons, grid managers at ERCOT will have to really scramble to avoid any rolling blackout situations as West Texas wind continues to fail to deliver needed generation during peak hours.
For those who missed all the excitement, ERCOT was forced to implement Stage 2 emergency measures, including pleading with customers to conserve power, Wednesday evening as 100+ degree temperatures lingered across much of the state well into the evening. The state’s expanding solar fleet goes dormant as the sunlight fades, and the ballyhooed wind fleets in West and South Texas have consistently failed to deliver anticipated capacity when it is needed most since July.
The result Wednesday evening at 7:29 Central Time, a few minutes after ERCOT’s Stage 2 warning was sent out, found natural gas delivering fully 2/3rds of all generation on the grid, and combining with coal to provide a somewhat amazing 82% of available power.
You don’t have to believe me on this - just believe ERCOT’s own official data:
Note that solar and power storage combined were kicking in just 4% of the load, while wind was clinging to some minimal relevancy at just 7%. It is key to remember here that wind’s nameplate capacity is over 35% of all generating capacity on the Texas grid, yet only manages to deliver 1/5th of that when the generation is needed most.
Just 20 minutes later, at 7:49 CT, natural gas and coal were now delivering a workhorse-like 84% of statewide generation, wind was still stuck on 7%, and solar/storage were combining to contribute a rounding error 1.5%.
Again, in Texas in September, this early evening time frame is the time of the day when demand peaks and generation is needed most. It is unfortunately also the time of day when solar goes dark and wind most fails to deliver.
ERCOT officials somehow managed to hold on by the tips of their collective fingernails and avoid blackouts Wednesday night, but it is now an open question how officials there will manage through early evening hours Thursday and Friday, when statewide temperatures are forecast to spike even higher.
Given the manifest non-reliability of wind, and the inadequacy of solar and storage, we can expect ERCOT to lean on generators who have natural gas plants undergoing pre-planned periodic maintenance and repairs this week to have some of those plants available to kick in even more of the load these next two nights.
While our renewables-promoting media will no doubt coordinate with certain university professors to concoct elaborate pretzel-like logic deeming wind and solar as the heroes last night, as they did following similar upsets in June, what this incident really starkly displays is a grid that has been allowed by public officials and the virtue signaling Texas power generation community to become heavily over-reliant on unreliable, weather-dependent generation.
This is the most obvious thing in the world, and until power generators are forced somehow to correct it, nights like Wednesday will keep happening in Texas. Or worse. That’s our reality, and all the spinning of ridiculous narratives in the world will not change it for the better.
That is all.
Thursday's Energy Absurdity: The Next Two Days on the Texas Grid Will Give ERCOT Nightmares
Alarming to see the savior “power storage” drop from nearly 2GW to less than 1GW in 20min. It speaks to how futile it is to power a grid with modern battery technology.
David, again, physics and enery properties per type of generation matter. Thank you for brininging this information forward. This is one of the best explainations of the issues on ERCOT's Texas Grid crisis that even I can understand...Thank you.