Former Marathon Bulk Storage Facility
IndustrialHancock County, Ohio · PJM
At a glance
Former Marathon Bulk Storage Facility is an industrial datacenter candidate site in Hancock County, Ohio, scoring 51.8/100 DC Readiness — 16th of 37 scored sites in the county. It sits in the PJM grid region and the OHIO POWER CO service territory, where interconnection has averaged 5.2 years from request to operation.
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 Former Marathon Bulk Storage Facility compare with other sites in Hancock County?
Former Marathon Bulk Storage Facility ranks 16th of 37 scored candidate sites in Hancock County. Its 51.8/100 is roughly in line with the county average of 53.3. It is roughly in line with the Ohio average of 54.8 and roughly in line with the national average of 53.2.
Against the Ohio average, its strongest sub-score is natural hazard (70 vs 69) and its weakest is power availability (30 vs 37). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Former Marathon Bulk Storage Facility to power, fiber and other datacenters?
The nearest located transmission bottleneck is HYATTCS-MARYSVI2 MAR-HYA2 B 345 KV (PJM), 57 miles away. For connectivity, the nearest internet exchange facility is Amplex DC0 at 31.9 miles. 13 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Meta Bowling Green Data Center, 29.1 miles away.
What are the flood, water and hazard risks at Former Marathon Bulk Storage Facility?
At the county level, FEMA's National Risk Index rates Hancock 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 Hancock County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| FOSTORIA CENTRAL SUBSTATION | Substation-Adjacent | 345 kV | 600 MW | 5.2 yrs | 64.7 |
| TAP137325 | Substation-Adjacent | 138 kV | 100 MW | 5.2 yrs | 58.9 |
| BUFFTON | Substation-Adjacent | 138 kV | 100 MW | 5.2 yrs | 58.7 |
| UNKNOWN137327 | Substation-Adjacent | 138 kV | 100 MW | 5.2 yrs | 58.5 |
| Greenfield (FOSTORIA CENTRAL SUBSTATION - ) | Greenfield | 345 kV | 600 MW | 5.2 yrs | 58.3 |
| NORTH FINDLAY | Substation-Adjacent | 138 kV | 100 MW | 5.2 yrs | 58.3 |
| Greenfield (FOSTORIA CENTRAL SUBSTATION - ) | Greenfield | 345 kV | 600 MW | 5.2 yrs | 58.1 |
| FINDLAY | Substation-Adjacent | 138 kV | 100 MW | 5.2 yrs | 57.9 |
Former Marathon Bulk Storage Facility: common questions
What is the DC Readiness score of Former Marathon Bulk Storage Facility?
Former Marathon Bulk Storage Facility scores 51.8/100 on the GridCensus DC Readiness scale, rated fair. It ranks 16th of 37 scored sites in Hancock County. The Hancock County average is 53.3 and the Ohio average is 54.8.
Which electric utility serves Former Marathon Bulk Storage Facility?
OHIO POWER CO (investor owned) holds the retail service territory that contains the site; its holding company is AMERICAN ELECTRIC POWER CO.
What grid region is Former Marathon Bulk Storage Facility in?
Former Marathon Bulk Storage Facility is in the PJM region. Projects interconnecting there have averaged a 5.2-year wait from queue request to operation.
How far is Former Marathon Bulk Storage Facility from an internet exchange?
The nearest internet exchange facility is Amplex DC0, about 31.9 miles away; 13 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, “Former Marathon Bulk Storage Facility, Hancock County, OH”, https://gridcensus.com/datacenter-sites/ohio/hancock-county/former-marathon-bulk-storage-facility-3b908542 (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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