Bill Magness, the former president and CEO of the Electric Reliability Council of Texas, was removed from his post Wednesday following last month’s winter storm that resulted in days-long blackouts for more than 4 million Texans.

Bill Magness, President and CEO of the Electric Reliability Council of Texas (ERCOT), testifies as the Committees on State Affairs and Energy Resources hold a joint public hearing to consider the factors that led to statewide electrical blackouts, Thursday, Feb. 25, 2021, in Austin, Texas. The hearings were the first in Texas since a blackout that was one of the worst in U.S. history, leaving more than 4 million customers without power and heat in subfreezing temperatures. (AP Photo/Eric Gay)