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Data Centres: Boom and Backlash
8SEP

ERCOT freezes its 205 GW sorting job

3 min read
13:06UTC

ERCOT suspended its 7 August Batch Zero classification on the day Abbott's letter arrived, and will ask the utility commission on 20 August to excuse the deadline it has now missed.

IndustryDeveloping
Key takeaway

Texas paused the classification that would have tested 326 queued projects, after collecting all of them.

ERCOT suspended its 7 August Batch Zero classification the same day Abbott's audit directive reached it, and will ask the Public Utility Commission of Texas open meeting on 20 August for a good-cause exception to its own planning guide deadlines 1. Batch Zero is the first sorting exercise for large loads seeking connection in Texas: submissions closed on 24 July , and classification was the step that would have graded each project's credibility.

Abbott's letter does not name Batch Zero. Suspending it was ERCOT's own compliance decision, which is why the regulator on 20 August is being asked to excuse a missed deadline rather than to ratify a governor's order. The distinction matters for anyone reading the docket: this is a grid operator seeking retrospective cover for a planning-guide breach it chose.

The population under audit had already been fixed before either move. RTO Insider put the study population at roughly 205 GW across 326 projects, with a BloombergNEF assessment reported in Power Magazine giving 204 GW as eligible; ERCOT's own site was unreachable, so both figures belong to the trade press rather than to the grid operator 2 3. RTO Insider put that total at more than double the roughly 100 GW ERCOT itself had projected when the commission approved the framework in June 4. Regulators must now plan around an unaudited number, because the test that would have interrogated it is on hold. BloombergNEF warns, in the same Power Magazine account, that the audit could delay 49.8 GW of load and cost projects up to $15bn 5.

The industry did not speak with one voice. Dan Diorio of the Data Center Coalition said the group hopes the review will "showcase the good actors in the data center industry rather than delaying them unnecessarily". QTS Data Centers co-chief executives Tag Greason and David Robey welcomed Abbott's leadership and offered to help set guardrails. Texas Agriculture Commissioner Sid Miller called the directive vague and wants a special legislative session to write rules instead 6.

Deep Analysis

In plain English

ERCOT, the operator of most of the Texas electricity grid, had been sorting hundreds of proposed data centres into categories based on how far along each project actually was, a process called Batch Zero classification. On 7 August, the same day it received Governor Abbott's audit letter, ERCOT paused that process and said it will ask regulators on 20 August for more time. The queue behind the pause, roughly 205 GW across 326 projects, is more than double what ERCOT itself had expected.

Deep Analysis
Root Causes

ERCOT closed Batch Zero submissions on 24 July , fixing a population that was still being counted, and Abbott's letter arrived the same day the 7 August classification results would have made that population, and its gap against ERCOT's own June projection, formally public.

The deeper structural cause is that ERCOT is electrically isolated from neighbouring grids, so a queue running more than double the size the operator itself modelled cannot be relieved by exporting risk to another region the way an interconnected grid might.

Escalation

The suspension raises the odds of a wider delay to Texas's large-load queue if the 20 August PUCT meeting does not grant ERCOT's requested exception, given the study population runs more than double the framework's original design assumption.

What could happen next?
  • Risk

    A queue more than double ERCOT's own June projection raises the chance of a wider delay if the 20 August PUCT exception is not granted.

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