{"id":"92f624bd-bd8f-423b-a90b-1e2601a92712","slug":"poolside-project-horizon-pecos-texas","name":"Poolside Project Horizon (West Texas)","aliases":["Project Horizon","Poolside West Texas campus","Longfellow Ranch data center"],"locationId":"ae3cd15c-df05-435c-8296-4bcacf2b37b6","lat":null,"lng":null,"locationPrecision":null,"landStatus":"private","lifecycleState":"stalled","powerSourceMix":"behind_the_meter_gas","interconnectionQueueStatus":"Behind the meter with the grid kept as backup: on-site aero-derivative turbines with SCR emissions control and battery storage for load balancing, plus grid interconnect redundancy. The 568 acre site on Longfellow Ranch sits next to a major Permian gas hub, and the 2 GW campus is planned in eight phases of 250 MW, the first of which is 250 MW gross with an option on 500 MW more.","interconnectionQueueId":null,"expectedEnergizationDate":null,"dedicatedSubstation":null,"gridOperator":"ERCOT","waterSourceNotes":"Established water and processing infrastructure on Longfellow Ranch, adjacent to a Permian Basin natural gas hub.","servingUtility":null,"acreage":568,"totalBuildingSqft":null,"streetAddress":null,"notes":"Poolside's planned 2 GW AI training campus on ~568 acres of the Mitchell family's Longfellow Ranch, unincorporated Pecos County (~25 mi from Fort Stockton), designed in eight 250 MW phases powered behind-the-meter by on-site aero-derivative gas turbines on Permian Basin gas (islanded from the public ERCOT grid). Announced Oct 2025 with CoreWeave as anchor tenant (15-year, 250 MW lease). Status now in serious doubt: CoreWeave terminated the anchor lease around late March 2026 after Poolside's ~$2B Series C failed to close, and no replacement anchor has been reported. Nothing energized; exact coordinates and firm capex not confirmed. Recorded as stalled.","keyFacts":[],"reviewStatus":"reviewed","sources":[{"url":"https://www.datacenterfrontier.com/machine-learning/article/55326541/how-coreweave-and-poolside-are-teaming-up-in-west-texas-to-build-the-next-generation-of-ai-data-centers","date":"2025-10-29","title":"How CoreWeave and Poolside Are Teaming Up in West Texas to Build the Next Generation of AI Data Centers","publisher":"Data Center Frontier"},{"url":"https://investors.coreweave.com/news/news-details/2025/CoreWeave-Announces-Partnership-with-Foundation-Model-Company-Poolside-to-Deliver-AI-Cloud-Services/default.aspx","date":"2025-10-15","title":"CoreWeave Announces Partnership with Foundation Model Company Poolside to Deliver AI Cloud Services","publisher":"CoreWeave (investor relations)"},{"url":"https://www.publicpower.org/periodical/article/plans-unveiled-2-gw-artificial-intelligence-campus-west-texas","date":"2025-10-30","title":"Plans Unveiled for 2 GW Artificial Intelligence Campus in West Texas","publisher":"American Public Power Association"},{"url":"https://www.datacenterdynamics.com/en/news/ai-startup-poolside-teams-up-with-coreweave-on-2gw-data-center-in-texas/","date":"2025-10-15","title":"AI startup Poolside teams up with CoreWeave on 2GW data center in Texas","publisher":"Data Center Dynamics"},{"url":"https://mlq.ai/news/coreweave-ends-2-gw-texas-data-center-deal-with-poolside/","date":"2026-04-01","title":"CoreWeave Ends 2 GW Texas Data Center Deal With Poolside","publisher":"MLQ.ai"}],"reviewNote":null,"createdAt":"2026-08-17T18:20:54.547Z","updatedAt":"2026-08-28T20:04:42.076Z","location":{"id":"ae3cd15c-df05-435c-8296-4bcacf2b37b6","name":"Fort Stockton","slug":"fort-stockton-texas","kind":"city","parentLocationId":"45f67762-10f4-4255-be84-45c73efe25f9","region":"West Coast","lat":30.891901,"lng":-102.883662,"reviewStatus":"reviewed","aliases":[],"collisionRisk":"high","reviewNote":null,"createdAt":"2026-08-17T18:20:54.166Z","updatedAt":"2026-08-21T03:20:12.226Z"},"parties":[{"id":"3af6b1e1-7e64-46c6-a0cc-09a71433315d","dataCenterId":"92f624bd-bd8f-423b-a90b-1e2601a92712","companyId":null,"externalName":"Poolside AI","role":"developer","structureNotes":"Campus owner/developer; ~$2B Series C reportedly failed to close, contributing to anchor collapse","createdAt":"2026-08-17T18:20:57.034Z","company":null},{"id":"44af3c42-edad-4177-902c-2108d02e8b8c","dataCenterId":"92f624bd-bd8f-423b-a90b-1e2601a92712","companyId":null,"externalName":"NVIDIA","role":"chip_supplier","structureNotes":"40,000+ GB300 NVL72 GPUs planned; also a Poolside backer","createdAt":"2026-08-17T18:20:58.720Z","company":null},{"id":"4a407361-570f-42fc-a33d-364857eef3a8","dataCenterId":"92f624bd-bd8f-423b-a90b-1e2601a92712","companyId":null,"externalName":"Mitchell family (Longfellow 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2026","createdAt":"2026-08-17T18:20:57.903Z","company":{"id":"da8eb3b3-8b7c-41f0-96cc-9f700a57bfca","name":"CoreWeave","slug":"coreweave"}}],"capacityClaims":[{"id":"cd578ad4-a40b-4397-9659-08de30e47255","dataCenterId":"92f624bd-bd8f-423b-a90b-1e2601a92712","series":"announced","valueGw":2,"asOf":"2025-10-15T00:00:00.000Z","sourceUrl":"https://www.datacenterfrontier.com/machine-learning/article/55326541/how-coreweave-and-poolside-are-teaming-up-in-west-texas-to-build-the-next-generation-of-ai-data-centers","sourceType":"press_release","evidenceTier":"reported","supersedesId":null,"note":"2 GW total across eight 250 MW phases (Poolside/CoreWeave announcement)","createdAt":"2026-08-17T18:20:55.250Z"},{"id":"1b25567e-106a-41a3-b372-d12fbb6dfbf7","dataCenterId":"92f624bd-bd8f-423b-a90b-1e2601a92712","series":"contracted","valueGw":0.25,"asOf":"2025-10-15T00:00:00.000Z","sourceUrl":"https://www.datacenterfrontier.com/machine-learning/article/55326541/how-coreweave-and-poolside-are-teaming-up-in-west-texas-to-build-the-next-generation-of-ai-data-centers","sourceType":"journalist_report","evidenceTier":"reported","supersedesId":null,"note":"CoreWeave anchor tenant for first 250MW phase under a 15-year lease, with 500MW reserved for expansion.","createdAt":"2026-08-19T00:28:29.943Z"},{"id":"8f243319-739b-45cd-831f-39b951818297","dataCenterId":"92f624bd-bd8f-423b-a90b-1e2601a92712","series":"energized","valueGw":0,"asOf":"2026-04-01T00:00:00.000Z","sourceUrl":"https://mlq.ai/news/coreweave-ends-2-gw-texas-data-center-deal-with-poolside/","sourceType":"journalist_report","evidenceTier":"reported","supersedesId":null,"note":"Nothing energized; anchor lease terminated and Series C failed to close","createdAt":"2026-08-17T18:20:56.098Z"}],"financialClaims":[],"metricClaims":[{"id":"f84ec54b-2153-4554-a302-6b09698f4782","dataCenterId":"92f624bd-bd8f-423b-a90b-1e2601a92712","metricType":"gpu_count","valueNumeric":40000,"valueText":"40,000+ NVIDIA GB300 NVL72 GPUs (CoreWeave, phase 1)","unit":null,"grantingJurisdiction":null,"asOf":"2025-06-01T00:00:00.000Z","sourceUrl":"https://www.datacenterfrontier.com/machine-learning/article/55326541/how-coreweave-and-poolside-are-teaming-up-in-west-texas-to-build-the-next-generation-of-ai-data-centers","sourceType":"journalist_report","evidenceTier":"reported","supersedesId":null,"note":null,"createdAt":"2026-08-19T00:28:30.862Z"}],"powerProjects":[{"id":"d1cb1b81-1ca3-4476-aea1-ed3d37811c48","dataCenterId":"92f624bd-bd8f-423b-a90b-1e2601a92712","name":"On-site aero-derivative gas turbines (Permian Basin 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storage for load-balancing and grid-interconnect redundancy; adjacent to Permian Basin gas hub.","createdAt":"2026-08-19T00:28:30.479Z"}],"facilities":[],"incidents":[],"events":[{"id":"b935e64b-b987-4606-8450-7386a33a17e0","dataCenterId":"92f624bd-bd8f-423b-a90b-1e2601a92712","eventType":"party_linked","series":null,"oldValue":null,"newValue":null,"claimId":null,"detail":"offtaker: linked externalName \"CoreWeave\" to company 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