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I wish I'd seen this sooner. It seems that the problems started with the gas supply
Failures within the natural gas system began prior to electrical outages. Days before ERCOT called for blackouts, natural gas was already being curtailed to some natural gas consumers, including power plants.
Here's the key outage data
From noon on February 14 to noon on February 15, the amount of offline wind capacity increased from 14,600 MW to 18,300 MW (+3,700 MW).2 Offline natural gas capacity increased from 12,000 MW to 25,000 MW (+13,000 MW). Offline coal capacity increased from 1,500 MW to 4,500 MW (+3,000 MW). Offline nuclear capacity increased from 0 MW to 1,300 MW, and offline solar capacity increased from 500 MW to 1100 MW (+600 MW), for a total loss of 24,600 MW in a single 24-hour period.
Failures within the natural gas system began prior to electrical outages. Days before ERCOT called for blackouts, natural gas was already being curtailed to some natural gas consumers, including power plants.
ERCOT Blackout 2021 | Energy Institute
energy.utexas.edu
Here's the key outage data
From noon on February 14 to noon on February 15, the amount of offline wind capacity increased from 14,600 MW to 18,300 MW (+3,700 MW).2 Offline natural gas capacity increased from 12,000 MW to 25,000 MW (+13,000 MW). Offline coal capacity increased from 1,500 MW to 4,500 MW (+3,000 MW). Offline nuclear capacity increased from 0 MW to 1,300 MW, and offline solar capacity increased from 500 MW to 1100 MW (+600 MW), for a total loss of 24,600 MW in a single 24-hour period.