Datacenter Sites in Madison County, Florida
Madison County has 11 scored datacenter candidate sites averaging 54.9/100 DC Readiness, with a catalogued aggregate of 1,000 MW. FEMA rates local natural-hazard risk as "Very High". The county has a datacenter tax incentive on record.
At a glance
Madison County, Florida has 11 scored datacenter candidate sites averaging 54.9/100 DC Readiness, roughly in line with the Florida average of 56.0. It ranks 58th of 66 Florida counties by number of sites and 30th by average score. The top-scoring site is Substation-Adjacent site · f77fbda8 at 57.2/100.
Site-selection context for Madison County
Incentive detail: Sales tax exemption on manufacturing machinery including servers; no state income tax.
How does Madison County compare with other counties in Florida?
By number of scored sites, Madison County ranks 58th of the 66 Florida counties with a county page, holding 0.3% of the state's 4,344 sites. Its average DC Readiness of 54.9/100 ranks 30th in the state and is roughly in line with the national average of 53.0. Nationally it has the 2327th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 9 score 55 or higher.
What types of datacenter sites are in Madison County?
Substation-Adjacent sites are the most common (8, 73% of the county's inventory), followed by greenfield (3). 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 Madison County?
Industrial electricity averages 8.40¢/kWh and commercial 14.27¢/kWh. FEMA's National Risk Index rates the county "Very High" (55). WRI water stress is low-medium. 4 fiber providers report service in the county. The climate runs 3,500 cooling degree days a year with a mean temperature of 72°F. Land is valued around $4,506 an acre.
By site type
Top datacenter sites in Madison County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN121066 | Substation-Adjacent | 115 kV | 100 MW | 3.7 yrs | 57.2 |
| MADISON | Substation-Adjacent | 115 kV | 100 MW | 3.7 yrs | 57.1 |
| UNKNOWN107690 | Substation-Adjacent | 115 kV | 100 MW | 3.7 yrs | 56.8 |
| UNKNOWN108366 | Substation-Adjacent | 115 kV | 100 MW | 3.7 yrs | 56.4 |
| TAP143168 | Substation-Adjacent | 115 kV | 100 MW | 3.7 yrs | 56.1 |
| UNKNOWN108364 | Substation-Adjacent | 115 kV | 100 MW | 3.7 yrs | 56.0 |
| UNKNOWN121088 | Substation-Adjacent | 115 kV | 100 MW | 3.7 yrs | 56.0 |
| TAP143111 | Substation-Adjacent | 115 kV | 100 MW | 3.7 yrs | 55.8 |
| OZ Madison | Greenfield | — | — | 3.7 yrs | 55.2 |
| Greenfield (SUWANNEE RIVER - HWY 90) | Greenfield | 115 kV | 100 MW | 3.7 yrs | 50.0 |
| Greenfield (SUWANNEE RIVER - UNKNOWN176765) | Greenfield | 115 kV | 100 MW | 5.8 yrs | 47.5 |
Every scored site in Madison County
All 11 sites, best first.
- Substation-Adjacent site · f77fbda8 · 57.2
- MADISON · 57.1
- Substation-Adjacent site · 2d5bd419 · 56.8
- Substation-Adjacent site · a3d48fe2 · 56.4
- Substation-Adjacent site · b0dd5810 · 56.1
- Substation-Adjacent site · 8c3f302f · 56.0
- Substation-Adjacent site · 4f2e7502 · 56.0
- Substation-Adjacent site · 677c58ff · 55.8
- OZ Madison · 55.2
- Greenfield (SUWANNEE RIVER - HWY 90) · 50.0
- Greenfield (SUWANNEE RIVER - UNKNOWN176765) · 47.5
Madison County datacenter FAQ
How many datacenter sites are in Madison County?
11 scored datacenter candidate sites, averaging 54.9/100 DC Readiness. That is the 58th-most of 66 Florida counties with five or more sites.
What is the highest-scoring datacenter site in Madison County?
Substation-Adjacent site · f77fbda8 scores 57.2/100 DC Readiness, the highest of the 11 scored sites in Madison County (a substation-adjacent site).
Does Madison County offer datacenter tax incentives?
Sales tax exemption on manufacturing machinery including servers; no state income tax.
What is the natural-hazard risk in Madison County?
FEMA's National Risk Index rates Madison County as "Very High" (score 55).
What are industrial electricity rates in Madison County?
Average industrial electricity is 8.40¢/kWh and commercial is 14.27¢/kWh in Madison County.
More in Florida
- All datacenter sites in Florida· 4,344 sites
- Operating datacenters in Florida
- Electric substations in Florida
- Miami-Dade County· 518 sites · avg 58.1
- Hillsborough County· 278 sites · avg 58.5
- Duval· 263 sites · avg 58.3
- Pinellas· 211 sites · avg 53.8
- Polk County· 207 sites · avg 57.1
- Orange County· 163 sites · avg 60.1
- Substation-Adjacent sites in Florida
- Greenfield sites in Florida
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 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Datacenter candidate sites in Madison County, Florida”, https://gridcensus.com/datacenter-sites/florida/madison-county (data as of November 12, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Madison County, Florida 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.