Estimated: Longfellow Ranch (Mitchell family), near Longfellow, Pecos County, Texas, United States (approximate: Longfellow town centroid; the ranch's street address is not published)Poolside
CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins87% CONFIDENCEOverall confidence: 87%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
No in-service date exists for phases 3-8 (Cleanview lists TBD). The pin is dated to Baxtel's[2] 4 April 2026 report, citing the Financial Times, that Poolside's partnership with CoreWeave had fallen apart and Poolside was seeking new partners; the original schedule had phase 1 finishing in Q1 2027.Poolside's Project Horizon is a planned 2,000 MW AI campus on the 568-acre Longfellow Ranch in the Permian Basin; phases 3-8 are the 1,500 MW beyond the first 500 MW CoreWeave had anchored, and the campus stalled in April 2026 when the CoreWeave deal fell apart; no project cost has been published.
1.00