Pecos County Data Center Directory: July 2026 Update
Developments since June 10: the GW Ranch final permit, Poolside's rezoning, and the TNMP in-service countdown

One month on from the June deep-dive, Pecos County's megaprojects cleared their two biggest local gates: TCEQ's final air permit for GW Ranch (June 19, the largest power-generation air permit in US history) and Poolside's rezoning filing with Fort Stockton (June 22, hearing July 13). TNMP's $114.8M transmission upgrade heads for August in-service, while Governor Abbott's July 1 rural-ban rhetoric puts the county's off-grid buildout under state-level pressure. The refreshed directory adds Blockstream's 140 MW mine to the county's bitcoin periphery.

What changed since June 10

  • GW Ranch: TCEQ approved the final air-quality permit on June 19, 2026 — clearing full-scale construction on the 7.65 GW campus and drawing renewed emissions criticism (33M tons GHG/yr permitted ceiling).
  • Project Horizon: Poolside Infrastructure Company, LLC filed a rezoning request with the City of Fort Stockton on June 22; the Board of Adjustment / City Council public hearing is set for July 13, 2026 — a live watch item on ingest day.
  • Tarbush / grid: TNMP's $114.8M Pecos County Transmission Improvement Project (Woodhouse 138-kV substation cut into the Tarbush–Leon Creek line) is on track for its August 2026 in-service date.
  • Macro politics: Governor Abbott's July 1 call to ban AI data centers in rural residential areas and repeal sales-tax exemptions puts the county's megaprojects under heightened scrutiny (already logged on this tracker's event feed — linked, not re-logged).

GW Ranch: the final permit

The June 19 approval is described as the largest power-generation air permit ever granted in US history, moving GW Ranch from development into active execution: 7.65 GW of gas generation integrated with 1.8 GW of BESS and 750 MW of solar, a dedicated 15-mile 1 BCF/d Waha pipeline, 8,000+ build-ready acres, site prep from Q1 2026, first 1 GW phase in H1 2027, and scaling to 5+ GW by 2031. The project is 'partner-ready' with no disclosed tenants. Environmental groups cite the permitted ceiling of up to 33M tons of greenhouse gases per year (Texas Tribune, Jul 9). This report's June 19 'final' approval sits atop earlier permit dates in this tracker's log — see the June report's permit-date note.

Poolside rezoning watch

The update repeats the June directory's Project Horizon profile — 2 GW, 559 acres, 576 MW BTM gas under construction, $5.5B county abatement, CoreWeave anchor with 40,000+ GB300s — and adds the June 22 rezoning filing, with the public hearing on July 13, 2026 (ingest day; outcome unknown). Reconciliation held open: like the June report, this update makes no mention of CoreWeave's reported April 2026 exit and does not explicitly resolve it; the tracker therefore keeps Project Horizon at-risk while logging the rezoning as evidence the campus is still being actively advanced. Source-integrity flag: the update's citation for the Horizon specs points to an article about the Microsoft/Chevron 'Project Kilby' build in Reeves County — the figures used here are those corroborated by the June report and the projecthorizon-tx.com portal.

Directory refresh — grid-tied incumbents

SiteOperatorMWPostureSince June 10
Fort Stockton Clean CampusLancium (a Blackstone company)325 (25 active)Grid / CLR via TNMPHeld up as the county's grid-interactive computing model alongside Jupiter Power's St. Gall BESS assets
Cormint Fort StocktonCormint Data Systems130Grid / company substation, 814 acresSub-2.3¢/kWh power; CEO Jamie McAvity named to the Texas Strategic Bitcoin Reserve Advisory Committee (Comptroller, May 28), active from late June
Tarbush Mining SiteLonestar Dream (China Green Agriculture)100 shared w/ PyoteGrid / Tarbush–Leon Creek 138-kVPrimary driver of TNMP's $114.8M upgrade; Woodhouse substation in-service Aug 2026
Blockstream Fort StocktonBlockstream Services USA140Grid / CLRNew directory entry — operational since end-2022 under a Ch. 381 agreement; interruptible renewable consumer

Cormint, Tarbush, and Blockstream remain outside tracker project scope (pure-bitcoin, no reported AI plans); they are archived here for county completeness. The McAvity committee appointment was judged bitcoin-policy color and not logged as a tracker event. The Tarbush Pecos-vs-Reeves geography discrepancy from the June report remains open pending the Reeves County run.

Political overhang

The update frames the month's progress against a hardening state posture: intensified scrutiny of water and power demands, Abbott's rural-ban call, and proposed repeal of the historical sales-tax exemptions that underpin projects like these. Pecos County's bet — trading air-permit headroom and Chapter 381 abatements for multi-billion-dollar off-grid campuses — is now the test case for whether the 2027 session touches the incentive stack.