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Texas moves to screen data centers before they connect to its power grid

Texas moves to screen data centers before they connect to its power grid

Built World

After requests to plug in hit about 474 gigawatts, Texas regulators order an audit of large electricity loads chasing the AI boom

Today: PUCT directs ERCOT on the audit

Overview

Updated 1 hour ago

For years, plugging a big new customer into the Texas power grid ran on a first-come, first-served basis. On August 20, state regulators told the grid operator to screen those customers first.

The trigger is scale. Requests to connect now total about 474 gigawatts, more than five times the grid's record demand, and roughly 90% come from data centers built for artificial-intelligence computing. Most of that power does not exist yet.

Why it matters

Texas closed the open door to its power grid; data centers powering the AI boom must now pass an audit before they can plug in.

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Key Indicators

474 GW
Interconnection requests
Total large-load requests to connect to the ERCOT grid, mostly data centers.
~90%
Requests from data centers
Share of the pending large-load requests tied to data-center projects.
~85 GW
Grid record peak demand
ERCOT's all-time peak load, dwarfed by the 474 GW of requests.
Up to 300
Projects to be audited
Number of large-load proposals Texas says it will verify and audit.
<9 months
Expected audit length
ERCOT expects the verification to take several months, but under nine.
75 MW
Large-load threshold
Peak demand at which a facility falls under the new interconnection rules.

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People Involved

Organizations Involved

Timeline

June 2025 August 2026

7 events Latest: Today
Tap a bar to jump to that date
  1. PUCT directs ERCOT on the audit

    Today Regulatory Action

    At its open meeting, the commission takes up ERCOT's good cause exception and gives direction on verification scope, mechanics, and timing for auditing large loads.

  2. ERCOT files for a deadline extension

    Regulatory Filing

    ERCOT requests a good cause exception to extend Batch Zero deadlines and accommodate the audit, having already suspended the August 7 classification notices.

  3. Abbott orders a data-center audit

    Directive

    The governor directs PUCT and ERCOT to verify and audit every data-center project in the queue before any advance. ERCOT pauses Batch Zero the same day.

  4. Gleeson letter to the governor

    Statement

    The PUCT chair outlines steps already taken and warns that new legislation would be needed for broader control of large loads.

  5. PUCT approves Batch Zero framework

    Rule Change

    Regulators approve ERCOT protocol changes creating a batch study process for connecting large loads, with classification notices expected in August.

  6. Abbott signs Senate Bill 6

    Legislation

    The law expands state oversight of large power users of 75 MW or more, including disclosure of backup generation and possible curtailment during grid emergencies.

Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

February 2021

Winter Storm Uri and the ERCOT collapse (2021)

A deep freeze knocked out much of Texas power generation. ERCOT ordered rolling blackouts that left millions without heat for days, and hundreds died. The grid came minutes from a much longer, uncontrolled collapse.

Then

The PUCT's chair and ERCOT's CEO resigned, and the legislature passed a package of grid reforms.

Now

Reliability became the dominant test for any grid decision in Texas, giving regulators political cover to act aggressively.

Why this matters now

Uri is why Texas officials now treat huge new loads as a reliability question first. The audit reflects a grid still wary of promising power it may not have.

July 2022

Dominion pauses Virginia data-center hookups (2022)

In Loudoun County, home to the world's densest cluster of data centers, utility Dominion Energy warned it could not connect some new projects because transmission in the area was constrained. The pause rattled the industry.

Then

Dominion accelerated transmission upgrades and connections resumed within months.

Now

It was an early signal that data-center growth could outrun grid capacity, forcing utilities to ration access.

Why this matters now

Virginia showed the same collision now hitting Texas, but on a smaller scale. Texas is confronting it before wires are strung, not after.

July 2023

FERC overhauls the interconnection queue (2023)

Federal regulators issued Order 2023 to fix clogged national queues where speculative projects tied up study resources for years. The rules added deposits and readiness tests to force out projects that would never get built.

Then

Grid operators began restudying queues and imposing stricter entry requirements.

Now

It set a template: use verification and financial commitment to separate real projects from placeholders.

Why this matters now

Texas is applying that same logic to demand. The 474 GW figure looks like a queue padded with speculative requests, and the audit is the filter.

Sources

(7)