Datacenter Sites in Marion County, Kentucky
Marion County has 12 scored datacenter candidate sites averaging 53.3/100 DC Readiness, with a catalogued aggregate of 700 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
At a glance
Marion County, Kentucky has 12 scored datacenter candidate sites averaging 53.3/100 DC Readiness, roughly in line with the Kentucky average of 51.8. It ranks 91st of 117 Kentucky counties by number of sites and 63rd by average score. The top-scoring site is MARION at 57.7/100.
Site-selection context for Marion County
Incentive detail: Sales tax exemption on electricity for large industrial users; KBI tax credits.
How does Marion County compare with other counties in Kentucky?
By number of scored sites, Marion County ranks 91st of the 117 Kentucky counties with a county page, holding 0.2% of the state's 7,741 sites. Its average DC Readiness of 53.3/100 ranks 63rd in the state and is roughly in line with the national average of 53.0. Nationally it has the 2244th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 3 score 55 or higher.
What types of datacenter sites are in Marion County?
Substation-Adjacent sites are the most common (8, 67% of the county's inventory), followed by greenfield (2) and shovel-ready (1). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.
What are power cost, hazard, water and fiber conditions in Marion County?
Industrial electricity averages 7.11¢/kWh and commercial 11.69¢/kWh. FEMA's National Risk Index rates the county "Relatively Moderate" (30). WRI water stress is low. 2 fiber providers report service in the county. The climate runs 1,300 cooling degree days a year with a mean temperature of 56°F. Land is valued around $4,582 an acre.
By site type
Top datacenter sites in Marion County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| MARION | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 57.7 |
| TAP155487 | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 57.6 |
| UNKNOWN124687 | Substation-Adjacent | 138 kV | 100 MW | 3.9 yrs | 57.4 |
| UNKNOWN124684 | Substation-Adjacent | 69 kV | 50 MW | 3.9 yrs | 54.9 |
| EC FFE Marion County | Greenfield | — | — | 4.7 yrs | 54.9 |
| UNKNOWN124685 | Substation-Adjacent | 69 kV | 50 MW | 3.9 yrs | 54.8 |
| UNKNOWN124686 | Substation-Adjacent | 161 kV | 100 MW | 4.7 yrs | 53.8 |
| UNKNOWN127857 | Substation-Adjacent | 69 kV | 50 MW | 4.7 yrs | 51.6 |
| UNKNOWN124688 | Substation-Adjacent | 69 kV | 50 MW | 4.7 yrs | 51.5 |
| Mabie Property (AKA Jane and Linda Building) | Industrial | — | — | 3.9 yrs | 50.9 |
| Crossroads Industrial Park | Shovel-Ready | — | — | 4.7 yrs | 47.2 |
| Greenfield (MARION - UNKNOWN124813) | Greenfield | 161 kV | 100 MW | 4.7 yrs | 47.1 |
Every scored site in Marion County
All 12 sites, best first.
- MARION · 57.7
- Substation-Adjacent site · 46d6d4df · 57.6
- Substation-Adjacent site · 8cd61e5e · 57.4
- Substation-Adjacent site · a63d07fd · 54.9
- EC FFE Marion County · 54.9
- Substation-Adjacent site · 74fb222d · 54.8
- Substation-Adjacent site · 489437c8 · 53.8
- Substation-Adjacent site · 6227bfeb · 51.6
- Substation-Adjacent site · 88beccca · 51.5
- Mabie Property (AKA Jane and Linda Building) · 50.9
- Crossroads Industrial Park · 47.2
- Greenfield (MARION - UNKNOWN124813) · 47.1
Marion County datacenter FAQ
How many datacenter sites are in Marion County?
12 scored datacenter candidate sites, averaging 53.3/100 DC Readiness. That is the 91st-most of 117 Kentucky counties with five or more sites.
What is the highest-scoring datacenter site in Marion County?
MARION scores 57.7/100 DC Readiness, the highest of the 12 scored sites in Marion County (a substation-adjacent site).
Does Marion County offer datacenter tax incentives?
Sales tax exemption on electricity for large industrial users; KBI tax credits.
What is the natural-hazard risk in Marion County?
FEMA's National Risk Index rates Marion County as "Relatively Moderate" (score 30).
What are industrial electricity rates in Marion County?
Average industrial electricity is 7.11¢/kWh and commercial is 11.69¢/kWh in Marion County.
More in Kentucky
- All datacenter sites in Kentucky· 7,741 sites
- Operating datacenters in Kentucky
- Electric substations in Kentucky
- Pike County· 901 sites · avg 49.4
- Letcher County· 531 sites · avg 47.8
- Floyd County· 326 sites · avg 51.0
- Perry County· 283 sites · avg 48.2
- Harlan County· 280 sites · avg 53.6
- Knott County· 278 sites · avg 51.2
- Substation-Adjacent sites in Kentucky
- Greenfield sites in Kentucky
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 November 13, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Datacenter candidate sites in Marion County, Kentucky”, https://gridcensus.com/datacenter-sites/kentucky/marion-county (data as of November 13, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Marion County, Kentucky 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.