Retail sales dropped sharply last month after a winter storm blanketed much of the country's midsection, but forecasters expect a sharp rebound in sales.
The state public utility commission had faced requests to reverse billions of dollars' worth of charges. But doing so might end up causing unintended consequences, the PUC said.
The Electric Reliability Council of Texas has been heavily criticized after last week's winter storm left more than 4 million Texans without power for several days.
