Substation-Adjacent site at 39.475, -84.377
Substation-AdjacentButler County, Ohio · PJM
At a glance
Substation-Adjacent site at 39.475, -84.377 is a substation-adjacent datacenter candidate site in Butler County, Ohio, scoring 58.7/100 DC Readiness — 45th of 92 scored sites in the county. Its nearest substation is TAP137614 (0 mi, 69 kV). It sits in the PJM grid region and the DUKE ENERGY OHIO INC service territory, where interconnection has averaged 5.2 years from request to operation. GridCensus catalogs 50 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
Site characteristics
Risk & environment
Location context
Regulatory climate
DC tax incentives paused for 2026; AEP Ohio large-load tariff in force.
AEP Ohio tariff: ≥25 MW, 85% take-or-pay, on-site-gen curtailment sync.
Incentive detail: DC sales tax exemption on equipment and electricity (2022 law); JobsOhio grants.
Site location
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How does Substation-Adjacent site at 39.475, -84.377 compare with other sites in Butler County?
Substation-Adjacent site at 39.475, -84.377 ranks 45th of 92 scored candidate sites in Butler County. Its 58.7/100 is roughly in line with the county average of 58.8. It is roughly in line with the Ohio average of 54.8 and about 10% above the national average of 53.2.
Against the Ohio average, its strongest sub-score is fiber connectivity (88 vs 72) and its weakest is speed to power (46 vs 46). 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 39.475, -84.377 to power, fiber and other datacenters?
The nearest mapped substation, TAP137614, is about 0 miles away and operates at 69 kV. The nearest located transmission bottleneck is COLLEGEC-COLLINSV TIE B 138 KV (PJM), 26 miles away. For connectivity, the nearest internet exchange facility is CyrusOne Lebanon at 10.3 miles. 6 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is CyrusOne Cincinnati-Lebanon, 10.2 miles away.
What are the flood, water and hazard risks at Substation-Adjacent site at 39.475, -84.377?
At the county level, FEMA's National Risk Index rates Butler 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 Butler County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| PORT UNION SUBSTATION | Substation-Adjacent | 345 kV | 600 MW | 5.2 yrs | 67.7 |
| UNKNOWN113595 | Substation-Adjacent | 345 kV | 600 MW | 5.2 yrs | 67.2 |
| TODHUNTER SUBSTATION | Substation-Adjacent | 345 kV | 600 MW | 5.2 yrs | 67.0 |
| EC Coal Butler County | Greenfield | — | — | 5.2 yrs | 65.2 |
| EC Near Hamilton (OH) | Greenfield | — | — | 5.2 yrs | 64.4 |
| EC Coal Butler County | Greenfield | — | — | 5.2 yrs | 64.3 |
| UNKNOWN113008 | Substation-Adjacent | 138 kV | 100 MW | 5.2 yrs | 64.0 |
| EC Coal Butler County | Greenfield | — | — | 5.2 yrs | 64.0 |
Substation-Adjacent site at 39.475, -84.377: common questions
What is the DC Readiness score of Substation-Adjacent site at 39.475, -84.377?
Substation-Adjacent site at 39.475, -84.377 scores 58.7/100 on the GridCensus DC Readiness scale, rated good. It ranks 45th of 92 scored sites in Butler County. The Butler County average is 58.8 and the Ohio average is 54.8.
What is the nearest substation to Substation-Adjacent site at 39.475, -84.377?
The nearest mapped substation is TAP137614, about 0 miles away, at 69 kV. GridCensus catalogs 50 MW of candidate capacity for the site.
Which electric utility serves Substation-Adjacent site at 39.475, -84.377?
DUKE ENERGY OHIO INC (investor owned) holds the retail service territory that contains the site; its holding company is DUKE ENERGY CORP.
What grid region is Substation-Adjacent site at 39.475, -84.377 in?
Substation-Adjacent site at 39.475, -84.377 is in the PJM region. Projects interconnecting there have averaged a 5.2-year wait from queue request to operation.
How far is Substation-Adjacent site at 39.475, -84.377 from an internet exchange?
The nearest internet exchange facility is CyrusOne Lebanon, about 10.3 miles away; 6 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 39.475, -84.377, Butler County, OH”, https://gridcensus.com/datacenter-sites/ohio/butler-county/tap137614-c6981915 (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 39.475, -84.377, Butler 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.