EC Near Carbon Limestone
GreenfieldMahoning County, Ohio · PJM
At a glance
EC Near Carbon Limestone is a greenfield datacenter candidate site in Mahoning County, Ohio, scoring 59.9/100 DC Readiness — 28th of 67 scored sites in the county. It sits in the PJM grid region and the OHIO EDISON 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 EC Near Carbon Limestone compare with other sites in Mahoning County?
EC Near Carbon Limestone ranks 28th of 67 scored candidate sites in Mahoning County. Its 59.9/100 is roughly in line with the county average of 57.9. It is roughly in line with the Ohio average of 54.8 and about 13% above the national average of 53.2.
Against the Ohio average, its strongest sub-score is fiber connectivity (76 vs 72) and its weakest is natural hazard (60 vs 69). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is EC Near Carbon Limestone to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is ark data centers - Youngstown, OH at 13 miles. 9 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Carrier Services Group, 7.5 miles away.
What are the flood, water and hazard risks at EC Near Carbon Limestone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). WRI rates baseline water stress at 0.50 on a 0–5 scale. No mapped wetlands are recorded on the parcel. A Superfund site is nearby (SUNOCO SERVICE STATION). At the county level, FEMA's National Risk Index rates Mahoning 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 Mahoning County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN162533 | Substation-Adjacent | 345 kV | 600 MW | 5.2 yrs | 66.1 |
| OZ Mahoning | Greenfield | — | — | 5.2 yrs | 64.1 |
| OZ Mahoning | Greenfield | — | — | 5.2 yrs | 63.6 |
| EC Coal Mahoning County | Greenfield | — | — | 5.2 yrs | 63.3 |
| EC Coal Mahoning County | Greenfield | — | — | 5.2 yrs | 63.3 |
| OZ Mahoning | Greenfield | — | — | 5.2 yrs | 63.0 |
| EC Near Carbon Limestone | Greenfield | — | — | 5.2 yrs | 62.2 |
| EC Near Carbon Limestone | Greenfield | — | — | 5.2 yrs | 62.0 |
EC Near Carbon Limestone: common questions
What is the DC Readiness score of EC Near Carbon Limestone?
EC Near Carbon Limestone scores 59.9/100 on the GridCensus DC Readiness scale, rated good. It ranks 28th of 67 scored sites in Mahoning County. The Mahoning County average is 57.9 and the Ohio average is 54.8.
Which electric utility serves EC Near Carbon Limestone?
OHIO EDISON CO (investor owned) holds the retail service territory that contains the site; its holding company is FIRSTENERGY CORP.
What grid region is EC Near Carbon Limestone in?
EC Near Carbon Limestone is in the PJM region. Projects interconnecting there have averaged a 5.2-year wait from queue request to operation.
Is EC Near Carbon Limestone in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
Who owns EC Near Carbon Limestone?
Parcel records list the owner as Zembower Elwood M Jr (private land).
How far is EC Near Carbon Limestone from an internet exchange?
The nearest internet exchange facility is ark data centers - Youngstown, OH, about 13 miles away; 9 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, “EC Near Carbon Limestone, Mahoning County, OH”, https://gridcensus.com/datacenter-sites/ohio/mahoning-county/ec-near-carbon-limestone-b2467509 (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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