Datacenter Sites in Monroe County, Florida
Monroe County has 42 scored datacenter candidate sites averaging 48.1/100 DC Readiness, with a catalogued aggregate of 805 MW. FEMA rates local natural-hazard risk as "Very High". The county has a datacenter tax incentive on record.
At a glance
Monroe County, Florida has 42 scored datacenter candidate sites averaging 48.1/100 DC Readiness, about 14% below the Florida average of 56.0. It ranks 30th of 66 Florida counties by number of sites and 66th by average score. The top-scoring site is Substation-Adjacent site · 3ec62068 at 53.1/100.
Site-selection context for Monroe County
Incentive detail: Sales tax exemption on manufacturing machinery including servers; no state income tax.
How does Monroe County compare with other counties in Florida?
By number of scored sites, Monroe County ranks 30th of the 66 Florida counties with a county page, holding 1.0% of the state's 4,344 sites. Its average DC Readiness of 48.1/100 ranks 66th in the state and is roughly in line with the national average of 53.0. Nationally it has the 913th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 0 score 55 or higher.
What types of datacenter sites are in Monroe County?
Greenfield sites are the most common (27, 64% of the county's inventory), followed by substation-adjacent (8) and former mine (4). 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 Monroe County?
Industrial electricity averages 11.69¢/kWh and commercial 12.97¢/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 $8,966 an acre.
By site type
Top datacenter sites in Monroe County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| TAP150879 | Substation-Adjacent | 138 kV | 100 MW | 3.7 yrs | 53.1 |
| KENNEDY DRIVE | Substation-Adjacent | 138 kV | 100 MW | 3.7 yrs | 53.1 |
| UNKNOWN120062 | Substation-Adjacent | 138 kV | 100 MW | 3.7 yrs | 53.1 |
| UNKNOWN108501 | Substation-Adjacent | 138 kV | 100 MW | 3.7 yrs | 53.1 |
| UNKNOWN120079 | Substation-Adjacent | 138 kV | 100 MW | 3.7 yrs | 53.1 |
| EC Near Marathon Generating Plant | Greenfield | — | — | 3.7 yrs | 52.4 |
| EC Near Cudjoe | Greenfield | — | — | 3.7 yrs | 52.3 |
| KEY WEST | Substation-Adjacent | 138 kV | 100 MW | 3.7 yrs | 52.2 |
| MARATHON | Substation-Adjacent | 138 kV | 100 MW | 3.7 yrs | 51.9 |
| UNKNOWN125212 | Substation-Adjacent | 138 kV | 100 MW | 3.7 yrs | 51.9 |
| EC Near Stock Island | Greenfield | — | — | 3.7 yrs | 50.7 |
| EC Near Marathon Generating Plant | Greenfield | — | — | 3.7 yrs | 49.9 |
| EC Near Marathon Generating Plant | Greenfield | — | — | 3.7 yrs | 49.9 |
| EC Near Stock Island | Greenfield | — | — | 3.7 yrs | 49.4 |
| EC Near Marathon Generating Plant | Greenfield | — | — | 3.7 yrs | 48.1 |
| Cudjoe | Brownfield | — | 5 MW | 3.7 yrs | 47.9 |
| EC Near Cudjoe | Greenfield | — | — | 3.7 yrs | 47.6 |
| EC Near Marathon Generating Plant | Greenfield | — | — | 3.7 yrs | 47.3 |
| EC Near Marathon Generating Plant | Greenfield | — | — | 3.7 yrs | 47.2 |
| EC Near Cudjoe | Greenfield | — | — | 3.7 yrs | 47.1 |
| EC Near Cudjoe | Greenfield | — | — | 3.7 yrs | 47.1 |
| EC Near Marathon Generating Plant | Greenfield | — | — | 3.7 yrs | 47.0 |
| EC Near Cudjoe | Greenfield | — | — | 3.7 yrs | 46.9 |
| EC Near Stock Island | Greenfield | — | — | 3.7 yrs | 46.8 |
| EC Near Stock Island | Greenfield | — | — | 3.7 yrs | 46.6 |
Every scored site in Monroe County
All 42 sites, best first.
- Substation-Adjacent site · 3ec62068 · 53.1
- KENNEDY DRIVE · 53.1
- Substation-Adjacent site · afab7347 · 53.1
- Substation-Adjacent site · f5c35178 · 53.1
- Substation-Adjacent site · b17fb55e · 53.1
- EC Near Marathon Generating Plant · e4d047dd · 52.4
- EC Near Cudjoe · 5cfb64bf · 52.3
- KEY WEST · 52.2
- MARATHON · 51.9
- Substation-Adjacent site · e6750aa8 · 51.9
- EC Near Stock Island · e7b975bc · 50.7
- EC Near Marathon Generating Plant · 0d4ce249 · 49.9
- EC Near Marathon Generating Plant · dc242c43 · 49.9
- EC Near Stock Island · d225bb4a · 49.4
- EC Near Marathon Generating Plant · e5eba2f6 · 48.1
- Cudjoe · 47.9
- EC Near Cudjoe · 211d0e7b · 47.6
- EC Near Marathon Generating Plant · 77bc2b25 · 47.3
- EC Near Marathon Generating Plant · 3b8b6fe4 · 47.2
- EC Near Cudjoe · 875de706 · 47.1
- EC Near Cudjoe · bc346e14 · 47.1
- EC Near Marathon Generating Plant · ea3b7377 · 47.0
- EC Near Cudjoe · e83dc857 · 46.9
- EC Near Stock Island · 43f1ce8c · 46.8
- EC Near Stock Island · 0bf8778f · 46.6
- EC Near Cudjoe · 192973d2 · 46.4
- Mine Site · 3e19b932 · 46.3
- Mine Site · 45ad4616 · 46.3
- EC Near Marathon Generating Plant · 3c20ccb9 · 46.0
- EC Near Cudjoe · 232e0f33 · 46.0
- Mine Site · a8faff45 · 45.9
- EC Near Cudjoe · 4d46fc34 · 45.9
- EC Near Cudjoe · fa9c773c · 45.9
- FL11615 TARS-Cudjoe Key · 9064b6e9 · 45.9
- Old Baltuff Dump · 45.9
- EC Near Marathon Generating Plant · 185faed5 · 45.9
- EC Near Stock Island · 9f22da1c · 45.8
- EC Near Cudjoe · d7583c54 · 45.3
- Mine Site · 27a35900 · 45.2
- EC Near Marathon Generating Plant · d60ba41c · 44.7
- EC Near Cudjoe · ad7d4b70 · 44.7
- EC Near Marathon Generating Plant · 2ab1261b · 44.4
Monroe County datacenter FAQ
How many datacenter sites are in Monroe County?
42 scored datacenter candidate sites, averaging 48.1/100 DC Readiness. That is the 30th-most of 66 Florida counties with five or more sites.
What is the highest-scoring datacenter site in Monroe County?
Substation-Adjacent site · 3ec62068 scores 53.1/100 DC Readiness, the highest of the 42 scored sites in Monroe County (a substation-adjacent site).
Does Monroe County offer datacenter tax incentives?
Sales tax exemption on manufacturing machinery including servers; no state income tax.
What is the natural-hazard risk in Monroe County?
FEMA's National Risk Index rates Monroe County as "Very High" (score 55).
What are industrial electricity rates in Monroe County?
Average industrial electricity is 11.69¢/kWh and commercial is 12.97¢/kWh in Monroe 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
- Greenfield sites in Florida
- Substation-Adjacent 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 Monroe County, Florida”, https://gridcensus.com/datacenter-sites/florida/monroe-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 Monroe 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.