What changed — ERCOT
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Capacity, status, permit, grid-request and construction changes over the last three years, each with its source. A change means the same source reported a new value later; two sources disagreeing is not a change. Follow a facility, company, utility, state or ISO by email, or subscribe to the feed in any RSS reader.
Each change is tagged by evidence: ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. filing, deed, permit or grid recordAnnouncedStated by the company or reported in the press; not yet backed by a filing or grid record. company or press claimEst.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. satellite, model or map inferenceHow levels are assigned
This view:Download CSVJSONAPI docs- Aug 30, 2026Coreweave Helios · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 0 → 1
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Under construction → Operating + expanding
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Building 1 operational at full capacity. This is based on "Phase I", which is expected to be operational by the end of the first half of 2026. We added two months of overhead to account for remaining construction and/…
Source: Epoch AI - Jul 3, 2026CoreWeave Denton TX · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 131 MW → 262 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 183 MW → 367 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 4 → 7
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Buildings 1-7 are operational and running, with no construction work visible. This is based on both satellite imagery, and the Q2 2026 Earnings call stating the campus was operational by midyear 2026.
Source: Epoch AI - Jul 1, 2026Google Midlothian · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 69 MW → 103 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 82 MW → 123 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Operating + expanding → Operating
Source: Epoch AI - May 23, 2026OpenAI Stargate Abilene · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 211 MW → 421 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 295 MW → 590 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 2 → 4
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Buildings 3 and 4 are estimated to be operational. On April 22nd, Oracle posted that "In Abilene, 200MW is already operational". This suggests that there was still only Building 1 and 2 operational. Since Buildings 3 …
Source: Epoch AI - Apr 19, 2026Google Midlothian · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 0 → 1
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Under construction → Operating + expanding
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Building 1 is probably mostly operational despite some cooling towers yet to be installed. In the original building permit Google only expected to build 6 new cooling towers, but they've extended the row further. This…
Source: Epoch AI - Mar 31, 2026Microsoft SAT14 · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 19 MW → 47 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 26 MW → 66 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 1 → 2
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Operating + expanding → Operating
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Building 2 fully operational, Building 1 expanded. Construction is already visibly complete. Additionally, construction phases Phase 2, Phase 3, and Phase 4 on TDLR that collectively represent the completion of the si…
Source: Epoch AI - Feb 23, 2026CoreWeave Denton TX · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 67 MW → 131 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 94 MW → 183 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 3 → 4
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Buildings 1-3 (Denton North) are largely built out/operational, and Denton South has its first data hall plus support equipment substantially installed. Remaining Denton South buildings (4-7) still under construction.…
Source: Epoch AI - Feb 15, 2026Vantage TX1 · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 0 → 1
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Under construction → Operating + expanding
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Building 1 operational; Roads around Building 1 complete, all cooling and side generator equipment construction has since finished as well. Although this is still earlier than the completion date reported on TDLR, bas…
Source: Epoch AI - Feb 4, 2026Microsoft SAT40 · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Operating + expanding → Operating
Source: Epoch AI - Dec 31, 2025CoreWeave Denton TX · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 8 MW → 67 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 11 MW → 94 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 1 → 3
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Half the campus energized. 67 billable MW are now dedicated to CoreWeave's GPUs across three buildings.
Source: Epoch AI - Dec 24, 2025OpenAI Stargate Abilene · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 105 MW → 211 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 147 MW → 295 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 1 → 2
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Building 2 is fully operational. This exact date corresponds to the expected completion date of "Four (4) data hall spaces and an administrative office build-out" according to a TDLR filing, but this date is also cons…
Source: Epoch AI - Dec 9, 2025Meta Temple · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 0 → 2
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Under construction → Operating + expanding
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Building 1 and 2 are operational. Activity related to the air quality permit (namely, emergency diesel generators) was reported to have started as of 2025-12-09. This is our best estimate, but note that the planned co…
Source: Epoch AI - Dec 1, 2025Microsoft SAT40 · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current IT capacity: 47 MW → 75 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Current facility power: 66 MW → 106 MW
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 1 → 2
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Building 2 operational. No more construction on building, and surrounding roads are also complete.
Source: Epoch AI - Nov 2, 2025Crusoe Abilene Expansion · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Construction started: Land clearing begins for Buildings 1-2.
Source: Epoch AI - Sep 27, 2025OpenAI Stargate Milam · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Construction started: Land clearing begins for the site
Source: Epoch AI - Sep 26, 2025OpenAI Stargate Abilene · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 0 → 1
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Under construction → Operating + expanding
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Building 1 is fully operational around this date. The first phase was "live" on September 30 according a Crusoe announcement. While the first phase consists of Building 1 and 2, the language doesn't outright confirm t…
Source: Epoch AI - Sep 18, 2025Anthropic Barber Lake · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Construction started: Site grading and civil works begin.
Source: Epoch AI - Aug 25, 2025Google Red Oak · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 0 → 1
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Under construction → Operating + expanding
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Building 1 is operational, based on a Google Earth image showing a completed building shell and equipment, and the large construction car park being emptied. Building 2 shell looks mostly completed.
Source: Epoch AI - Aug 1, 2025OpenAI Stargate Shackelford · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Construction started: Land clearing begins.
Source: Epoch AI - May 31, 2025CoreWeave Denton TX · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 0 → 1
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Under construction → Operating + expanding
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: First 8 MW billable tranche dedicated to AI starts running at the site, with another 40 scheduled by the end of the quarter.
Source: Epoch AI - May 31, 2025Coreweave Helios · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Construction started: The former crypto mining Helios site begins expanding, with land cleared for additional buildings.
Source: Epoch AI - Nov 1, 2024CoreWeave Denton TX · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Construction started: Construction start - The Texas Department of Licensing and Regulation reports Core Scientific is converting existing Bitcoin mining buildings into AI data centers, planning to build AROUND the existing Denton Energy C…
Source: Epoch AI - Jul 1, 2024Microsoft SAT14 · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 0 → 1
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Under construction → Operating + expanding
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Building 1 operational. The first 2 data halls of Building 1 (with chillers already installed) are likely to be already operational. Although construction was completed prior, the on-site substation was previously inc…
Source: Epoch AI - May 31, 2024OpenAI Stargate Abilene · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Construction started: Land clearing begins for northern two buildings (Building 1-2)
Source: Epoch AI - May 24, 2024Microsoft SAT40 · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Buildings operational: 0 → 1
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Status: Under construction → Operating + expanding
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.New capacity online: Building 1 operational. Estimated 3 months out from February, when there was still construction equipment.
Source: Epoch AI - Dec 15, 2023Vantage TX1 · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Construction started: Land clearing begins for both Building 1 & Building 2
Source: Epoch AI - Nov 28, 2023Google Midlothian · TX
- Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Construction started: Visible land clearing around the area for Building 1
Source: Epoch AI