Compute Institute
Ratings for the physical buildout of AI
Robena Mine Data Center (Project Hummingbird)

Robena Mine Data Center (Project Hummingbird)

Planned
Probable
Repurposed industrial / telecom site · inherited interconnection

Jurisdiction: US — Pennsylvania (PJM)

Former Robena Mine site, Monongahela Township, near Alicia, Greene County, Pennsylvania, along the Monongahela River. ~1,400-acre complex. (Prior use is a former coal mine, not a retired power plant — see note on prior_use field.)

Capacity
910 MW basis: grid connection
GPUs (est.)
Capex
Announced
Target operational

Delivery health score

64.9 /100
64.9/100

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

Schedule

85 /100
85/100

Regulatory

76 /100
76/100

Infrastructure

78 /100
78/100

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
Infrastructure baseline 70 Robena Mine Data Center (Project Hummingbird) No-adverse-evidence infrastructure baseline (disclosed config, scoring.prs.baselines).
Capital baseline 40 Robena Mine Data Center (Project Hummingbird) No committed capital evidenced on any entity role — announcement-only anchor region (§B.2.4).
Infrastructure prior use interconnection +8 Robena Mine Data Center (Project Hummingbird) Brownfield site — Repurposed industrial / telecom site — inherits an existing energized grid interconnection, materially de-risking the scarcest deliverability bottleneck for a new AI/HPC load (§B.2.3).
Regulatory baseline 70 Robena Mine Data Center (Project Hummingbird) No-adverse-evidence regulatory baseline (disclosed config, scoring.prs.baselines).
Regulatory permit granted +6 Utility Approval Permitting milestone "Utility Approval" achieved on 2025-12-17.
Schedule baseline 80 Robena Mine Data Center (Project Hummingbird) No-adverse-evidence schedule baseline (disclosed config, scoring.prs.baselines).
Schedule milestone achieved +5 Utility Approval Milestone "Utility Approval" achieved on/ahead of its first announced date (2025-12-17).

Milestones

  1. Commissioning

    Expected
    1 revision

    Commissioning · Expected:

  2. Utility Approval

    Achieved

    Utility approval · Actual:

Constraint observations

No active constraint observations recorded against this project.

Entities & roles

Entity
Role
Ownership
Committed capital
International Electric Power (IEP)
Developer
Essential Utilities
Utility Provider
Peoples (Essential Utilities natural gas subsidiary)
Utility Provider
Project Hummingbird LLC
Developer

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. International Electric Power · backs: capacity mw

    https://iepwr.com/227-2/

  2. Farm and Dairy · backs: actual date

    https://www.farmanddairy.com/news/top-stories/greene-county-residents-debate-proposal-to-put-data-center-on-former-coal-mine/900898.html

  3. Utility Dive · backs: expected date

    https://www.utilitydive.com/news/iep-plans-944-mw-behind-the-meter-gas-plant-in-pennsylvania-to-power-data-c/758830/

  4. DataCenterDynamics · backs: status

    https://www.datacenterdynamics.com/en/news/data-center-proposed-at-site-of-former-coal-mine-in-greene-county-pennsylvania/

Signals

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

  1. · Observer-Reporter

  2. Utility Dive

  3. Farm and Dairy

  4. DataCenterDynamics

  5. International Electric Power

  6. Pittsburgh Magazine