Power lines are seen on Feb. 16 in Houston. The Texas Public Utility Commission has declined to reverse $16 billion in charges from the worst of February’s winter storm.

Power lines are shown Tuesday, Feb. 16, 2021, in Houston. More than 4 million people in Texas still had no power a full day after historic snowfall and single-digit temperatures created a surge of demand for electricity to warm up homes unaccustomed to such extreme lows, buckling the state’s power grid and causing widespread blackouts. (AP Photo/David J. Phillip)