Compute Institute
Ratings for the physical buildout of AI
Poolside Project Horizon

Poolside Project Horizon

Stalled
Confirmed

Jurisdiction: US — Texas (ERCOT)

Project Horizon is sited on 568 acres of the Mitchell family's Longfellow Ranch in Pecos County, West Texas, in the Permian Basin. Pecos County is verbatim-confirmed from Data Center Frontier ("Partnering with the Mitchell family (Longfellow Ranch owner) and Pecos County"). "Fort Stockton" appears only in aggregator/search framing and is not attached to a fetched verbatim quote. No coordinates disclosed in primary sources.

Capacity
2,000 MW basis: unspecified
GPUs (est.)
Capex
Announced
Target operational

Delivery health score

35 /100
35/100

Methodology prs-v0.1 · computed · trigger: manual

Schedule

60 /100
60/100

Regulatory

70 /100
70/100

Infrastructure

70 /100
70/100

Capital

40 /100
40/100

Why this score — factor breakdown

Each factor below contributed to the current score. Contributions are rubric weights from methodology prs-v0.1; every factor cites the record it is derived from.

Dimension
Factor
Contribution
Cites
Narrative
Capital baseline 40 Poolside Project Horizon No committed capital evidenced on any entity role — announcement-only anchor region (§B.2.4).
Infrastructure baseline 70 Poolside Project Horizon No-adverse-evidence infrastructure baseline (disclosed config, scoring.prs.baselines).
Regulatory baseline 70 Poolside Project Horizon No-adverse-evidence regulatory baseline (disclosed config, scoring.prs.baselines).
Schedule baseline 80 Poolside Project Horizon No-adverse-evidence schedule baseline (disclosed config, scoring.prs.baselines).
Schedule milestone achieved +5 Announcement Milestone "Announcement" achieved on/ahead of its first announced date (2025-10-15).
Schedule hard cap -24 Poolside Project Horizon Hard cap "status_stalled" (health ≤ 35): project status is stalled. [binding]
Schedule staleness decay -25 Poolside Project Horizon Newest schedule evidence is 2025-10-15 (freshness window 6 months) — score drifts one rubric level toward the stage-default prior of 50 (§B.4: silence is information).

Milestones

  1. Announcement

    Achieved

    Announcement · Actual:

  2. Energization

    Expected
    1 revision

    Energization · Expected:

  3. Commissioning

    Expected
    1 revision

    Commissioning · Expected:

Constraint observations

No active constraint observations recorded against this project.

Entities & roles

Entity
Role
Ownership
Committed capital
Poolside
Owner
CoreWeave
Investor
CoreWeave
Operator
Mitchell family (Longfellow Ranch)
Owner
Occidental Petroleum
Utility Provider

Sources & citations

Every substantive field on this record is backed by a canonical claim from a cited source document, graded on the E1 (strongest) – E5 (weakest) evidence ladder.

  1. CoreWeave · Oct 15, 2025 · backs: actual date, capacity mw

    https://www.coreweave.com/news/coreweave-announces-partnership-with-foundation-model-company-poolside-to-deliver-ai-cloud-services

  2. Data Center Dynamics · Oct 15, 2025 · backs: expected date

    https://www.datacenterdynamics.com/en/news/ai-startup-poolside-teams-up-with-coreweave-on-2gw-data-center-in-texas/

  3. Data Center Dynamics · Apr 2, 2026 · backs: status

    https://www.datacenterdynamics.com/en/news/poolside-seeks-partners-for-data-center-in-texas-after-coreweave-deal-falls-apart/

Signals

Recent ingested source documents linked to this project via extracted claims or triage mentions, newest first.

  1. · Data Center Dynamics

  2. · National Association of Manufacturers

  3. · CoreWeave

  4. · Data Center Dynamics

  5. Data Center Frontier