AUSTIN, Texas (AP) — Four board leaders of Texas' embattled power grid operator said Tuesday they will resign following outrage over more than 4 million customers losing power during a deadly winter freeze last week.

All of the board directors stepping down, including Chairwoman Sally Talberg, live outside of Texas, which only intensified criticism of the Electric Reliability Council of Texas.

The resignations are effective Wednesday, a day before Texas lawmakers are set to begin hearings over the outages in the state Capitol. The board members acknowledged "concerns about out-of-state board l...