Texas Says NRG, Vistra Used Size to Raise Power Prices (2)

Texas power regulators say the state’s three largest generators used their size to boost power costs for consumers by as much as $380 million after the deadly 2021 winter storm.

NRG Energy Inc., Vistra Corp. and Calpine Corp. increased the costs for households and businesses to get power from August 2021 to July 2022, the Public Utility Commission of Texas said in filings Wednesday. The companies are not accused of wrongdoing. Nor do they face any fines or penalties.

Widespread power failures triggered deadly blackouts in February 2021, causing the state grid to start procuring more fast-starting supplies ...