“Texas’ utility regulator had an opportunity Friday to eliminate some of the $16 billion that the state’s grid operator erroneously overcharged power companies during last month’s deadly winter storm — but the board of the Public Utility Commission chose not to do so.” “D’Andrea, who was elevated to chair this week by Gov. Greg Abbott, and PUC Commissioner Shelly Botkin could have decided Friday to order ERCOT to follow Potomac Economics’ recommendation — a move that could have potentially shaved billions of dollars off of what the grid operator overcharged power companies.”