Texas grid chief wants earlier authority to dial back data center power

What ERCOT wants to change

Pablo Vegas plans to seek authority from the Texas Legislature to require data centers to trim load earlier, including at level one conditions or even ahead of the first sign of scarcity. As he put it, "The practical realities of curtailing large amounts of customers like data centers and managing that from an operational point of view really requires us to think about pulling that up a little bit earlier into the process."

How the rules work today

Right now, the state does not ask data centers to reduce power until the grid reaches the second step of a three-alarm emergency. Separately, Senate Bill 6, enacted in 2025, compels large-load customers, particularly data centers, to cut consumption with 24 hours notice. ERCOT has not yet told data centers to curtail under SB6.

Signals from data centers and winter readiness

"The hyperscalers are on board with integrating into the system and into the community in a way that works for all of the communities and all the participants in the system," he said. "If the legislature agrees and thinks it makes sense to modify those requirements, then we can work with them on that as well." He added, "We really don't want to impact residential and everyday businesses if we get into a scarcity event in the state."

Up to now, ERCOT has not invoked SB6 to mandate cutbacks at data centers, though Vegas noted the facilities chose to scale back during last winter's severe weather. Looking ahead, he said that, for the coming winter, they can draw on a low single-digit number of gigawatts of supply.

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Why it matters for your portfolio

Data center buildouts are boosting power demand, so any change to when and how load is curtailed can ripple into utility revenues and the operating playbooks of hyperscalers. Earlier mandated cutbacks in scarcity could cushion residential customers while nudging data centers to line up more flexible power, on-site generation, or contracts that price in volatility.

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