Data center firm Core Scientific (NASDAQ: CORZ) reported on Thursday conditional ERCOT approvals covering up to 1,402 MW of electrical power across three existing and proposed Texas data-center sites. The operator furnished the update in an 8-K.
The total comprises 371 MW at Denton, 600 MW at Pecos and 431 MW at Hunt County. The filing refers to electrical power rather than critical IT load or customer-contracted capacity.
Core Scientific said Denton's existing 297 MW received conditional approval as longstanding base load because it was energized before March 25, 2022. Another 74 MW to be energized was previously validated through ERCOT's 2025 Regional Transmission Plan study cases, so neither portion falls within Batch Zero allocation.
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At Pecos, 300 MW of existing load received conditional base-load approval from ERCOT. Core Scientific submitted the required documentation and posted collateral, after which another 300 MW was designated studied load. Its final allocation and ramp will be determined after Batch Zero concludes.
The 600 MW covered by Thursday's filing is narrower than Core Scientific's full plans for Pecos. The company is targeting about 1.5 GW of gross power and 1 GW of leasable power at the campus, planning to fill the gap for any power not covered by the grid with behind-the-meter generation on-site.
Under ERCOT's advancing-large-load pathway, the planned 431 MW in Hunt County was conditionally treated as base load. Core Scientific said the company and its utility partner completed the necessary interconnection studies and obtained approval for the project's stability study; they also posted collateral and, after ordering long-lead equipment, began construction.
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ERCOT created Batch Zero to examine qualified loads of at least 75 MW in one group and distribute available grid capacity. When Texas regulators approved the process in June, the grid operator had recorded more than 438,000 MW of large-load requests, with nearly 89% from data centers. Final results for studied loads , including the additional 300 MW at Pecos, are expected in spring 2027.
