
Public Utility Commission of Texas
Texas state agency regulating investor-owned electric utilities and overseeing ERCOT grid operations.
Last refreshed: 28 June 2026
Timeline for Public Utility Commission of Texas
Texas queue swells to 438 GW
Data Centres: Boom and BacklashWhat does the Texas Public Utility Commission regulate?
What is ERCOT's Batch Zero process and who approved it?
Background
The Public Utility Commission of Texas is the state agency responsible for regulating investor-owned electric utilities and overseeing the Electric Reliability Council of Texas (ERCOT). Established in 1975, it is composed of three commissioners appointed by the Governor to staggered six-year terms and confirmed by the Texas Senate. It sets the framework rules for the ERCOT wholesale market and is the final arbiter on interconnection processes, consumer protection, and retail electricity competition. Because ERCOT operates outside FERC jurisdiction, the commission carries unusual autonomy from federal regulatory oversight, making its decisions on grid access and market structure binding across the state with no federal appeals PATH.
The commission became a focal actor in the US data-centre power crisis on 18 June 2026, when it approved ERCOT's first formal Batch Zero large-load interconnection study process. The ERCOT queue stood at 438 GW at the time of approval, roughly 90 per cent attributable to data-centre load, nearly double the 225 GW recorded in April 2026. The Batch Zero study is the first formal mechanism for imposing order on a queue that has grown against a process designed for 40-50 large loads at a time. The final transmission plan is not due until autumn 2027, with Batch 1 applications opening summer 2027.
The decision does not accelerate any individual applicant's interconnection timeline; it establishes the process by which ERCOT will study feasibility in cohorts. Until the transmission plan is published, no new large-load applicant in Texas has a confirmed grid-connection date. The commission's move is the regulatory counterpart to Virginia's June 2026 behind-the-meter tax: both states reached for new instruments in the same fortnight as their existing frameworks buckled under data-centre demand.