The News
ERCOT Freezes New Large-Load Hookups While It Audits The Queue
Data centers have requested roughly as much electricity across the middle swath of the United States as it takes to power every home in the country, but much of that demand may be an illusion, and Texas recently became the first major data center hub to freeze new grid connections for the facilities and investigate their plans.
The trigger was the size of the backlog. Interconnection requests in the ERCOT queue total roughly 474 gigawatts, more than five times the state's record peak electricity demand, and Governor Greg Abbott wrote in an August letter that approximately 90 percent of the new power requests are data centers.
The growth was not gradual. Requests stood near 48 gigawatts in 2023 and passed 474 gigawatts by this summer, while Texas set its all-time peak demand at 91,089 megawatts on July 22.
ERCOT responded by suspending its Batch Zero transmission planning study, the first review under the state's new large-load process, with the audit due by December 2026. BloombergNEF estimates the freeze puts around 49.8 gigawatts at risk of delay, close to 20% of the entire United States data centre pipeline.
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The Company Behind It
A Queue That Rewards Filing Everywhere
ERCOT is the grid operator covering most of Texas, the state that has attracted the heaviest concentration of AI data center construction. Its problem is structural rather than technical.
The incentive explains the numbers. Filing an interconnection request costs almost nothing, so developers file in multiple territories at once to preserve options, then build wherever clears first, and until recently nobody screened those filings before counting them in demand forecasts. Utility planners call the gap between requested and real capacity ghost demand.
The scale of the distortion is national. Combined queues across the country top 700 gigawatts, while the entire existing U.S. data center fleet is estimated to draw 60 to 70 gigawatts at any given moment.
Why This Matters Financially
Forecasts Built On Free Options Drive Real Capital
Those queue numbers are not just paperwork. They feed load forecasts that justify utility capital spending, transmission buildouts, generation contracts, and the equipment orders behind them, so inflated filings can pull real money toward capacity nobody will use.
Screening shows how much evaporates. Exelon's estimate of high-probability data center load fell roughly 40% to about 11 gigawatts after it tightened collateral requirements, and AEP Ohio's pipeline dropped by more than half once it imposed new rules including connection-study fees of as much as $100,000.
The fix is essentially a price on optionality. Deposits and proof-of-funding requirements make filing expensive, which converts a free reservation into a commitment and forces developers to reveal what they actually intend to build.
Limits and Uncertainty
The Catch: Nobody Knows Yet How Much Is Real
No utility has produced a state-specific estimate of how much of the Texas queue is genuine; that is precisely what the audit is meant to determine by December. Until then, both the boom narrative and the bubble narrative rest on the same unverified filings.
The freeze has costs of its own. Delaying tens of gigawatts of interconnection can push legitimate projects to other states, and Pennsylvania has already tightened permitting for loads above 25 megawatts while other grids weigh similar rules. Screening out speculation is also not the same as reducing demand: PJM has said data centers are the primary driver of its demand growth and warned that facilities get built two to three times faster than the generation needed to serve them.
The freeze matters because it puts the first real test to demand figures that have justified enormous spending across power, equipment, and construction. The real impact depends on what the December audit finds, and whether the numbers behind the AI buildout survive being asked for a deposit.
Disclosure: This content is for educational and informational purposes only and does not constitute investment advice or recommendations. You should always conduct your own research or consult a qualified financial advisor before making investment decisions.
