Substation-Adjacent site at 40.339, -79.903
Substation-AdjacentAllegheny County, Pennsylvania · PJM
At a glance
Substation-Adjacent site at 40.339, -79.903 is a substation-adjacent datacenter candidate site in Allegheny County, Pennsylvania, scoring 60.2/100 DC Readiness — 58th of 411 scored sites in the county. Its nearest substation is UNKNOWN123801 (0 mi, 138 kV). It sits in the PJM grid region and the DUQUESNE LIGHT CO service territory, where interconnection has averaged 3.6 years from request to operation. GridCensus catalogs 100 MW of candidate capacity here.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Keystone Opportunity Zone/KOEZ sales and property tax exemptions in designated areas.
Site location
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How does Substation-Adjacent site at 40.339, -79.903 compare with other sites in Allegheny County?
Substation-Adjacent site at 40.339, -79.903 ranks 58th of 411 scored candidate sites in Allegheny County. Its 60.2/100 is roughly in line with the county average of 56.2. It is about 16% above the Pennsylvania average of 51.8 and about 13% above the national average of 53.2.
Against the Pennsylvania average, its strongest sub-score is fiber connectivity (94 vs 68) and its weakest is speed to power (37 vs 37). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Substation-Adjacent site at 40.339, -79.903 to power, fiber and other datacenters?
The nearest mapped substation, UNKNOWN123801, is about 0 miles away and operates at 138 kV. For connectivity, the nearest internet exchange facility is Lumen Pittsburgh at 6.9 miles. 15 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Lumen Pittsburgh, 6.9 miles away.
What are the flood, water and hazard risks at Substation-Adjacent site at 40.339, -79.903?
At the county level, FEMA's National Risk Index rates Allegheny County "Relatively Moderate".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Allegheny County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| BRUNOT ISLAND | Substation-Adjacent | 345 kV | 600 MW | 3.6 yrs | 68.8 |
| Hazelwood Green’s Mill 19 Solar | Brownfield | — | 2 MW | 3.6 yrs | 67.9 |
| TAP151899 | Substation-Adjacent | 345 kV | 600 MW | 3.6 yrs | 66.2 |
| EC Coal Allegheny County | Greenfield | — | — | 3.6 yrs | 65.0 |
| EC Coal Allegheny County | Greenfield | — | — | 3.6 yrs | 64.6 |
| EC Near Brunot Island | Greenfield | — | — | 3.6 yrs | 64.4 |
| OZ Allegheny | Greenfield | — | — | 3.6 yrs | 64.3 |
| OZ Allegheny | Greenfield | — | — | 3.6 yrs | 64.2 |
Substation-Adjacent site at 40.339, -79.903: common questions
What is the DC Readiness score of Substation-Adjacent site at 40.339, -79.903?
Substation-Adjacent site at 40.339, -79.903 scores 60.2/100 on the GridCensus DC Readiness scale, rated good. It ranks 58th of 411 scored sites in Allegheny County. The Allegheny County average is 56.2 and the Pennsylvania average is 51.8.
What is the nearest substation to Substation-Adjacent site at 40.339, -79.903?
The nearest mapped substation is UNKNOWN123801, about 0 miles away, at 138 kV. GridCensus catalogs 100 MW of candidate capacity for the site.
Which electric utility serves Substation-Adjacent site at 40.339, -79.903?
DUQUESNE LIGHT CO (investor owned) holds the retail service territory that contains the site; its holding company is DUQUESNE LIGHT HOLDINGS.
What grid region is Substation-Adjacent site at 40.339, -79.903 in?
Substation-Adjacent site at 40.339, -79.903 is in the PJM region. Projects interconnecting there have averaged a 3.6-year wait from queue request to operation.
How far is Substation-Adjacent site at 40.339, -79.903 from an internet exchange?
The nearest internet exchange facility is Lumen Pittsburgh, about 6.9 miles away; 15 fiber providers report service at the location.
Related pages
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Substation-Adjacent site at 40.339, -79.903, Allegheny County, PA”, https://gridcensus.com/datacenter-sites/pennsylvania/allegheny-county/unknown123801-3f7ddb38 (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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Every site and score for Substation-Adjacent site at 40.339, -79.903, Allegheny County is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.