In 2015, the California regulator overseeing PG&E Corp. opened an inquiry into whether the state’s largest utility put enough priority on safety.

Since then, a federal jury has found PG&E guilty of violating safety regulations for natural-gas pipelines and a federal judge later placed it on criminal probation. Its electrical equipment has sparked more than a fire a day on average since 2014—more than 400 last year—including wildfires that killed more than 100 people. It filed for bankruptcy protection this year,…

Read More