"There is a growing concern of whether CenterPoint Energy was prioritizing Texans or its own bottom line," Abbott wrote in the July 16 letter. "To determine whether corners were cut by CenterPoint Energy in a manner that slowed the recovery process to fix damage to your electrical infrastructure, I have directed the (Public Utility Commission of Texas) to undertake a rigorous study to determine the causes of the repeated and ongoing power failures in the Greater Houston area after severe weather events and report back its findings."