Datacenter Sites in St. Johns County, Florida
St. Johns County has 26 scored datacenter candidate sites averaging 60.2/100 DC Readiness, with a catalogued aggregate of 3,900 MW. FEMA rates local natural-hazard risk as "Very High". The county has a datacenter tax incentive on record.
26
Candidate sites
60.2/100
Avg DC Readiness
3,900 MW
Catalogued capacity
theoretical aggregate
Very High
Hazard rating
Site-selection context for St. Johns County
Yessales_tax_exemption
Datacenter tax incentive
10.83¢/kWh
Commercial electricity
7.92¢/kWh
Industrial electricity
7
Fiber providers
Low-Medium
Water stress
$13,626
Land price / acre
3,500
Cooling degree days
700
Heating degree days
72°F
Mean annual temp
Incentive detail: Sales tax exemption on manufacturing machinery including servers; no state income tax.
By site type
Top datacenter sites in St. Johns County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| MILL CREEK | Substation-Adjacent | 230 kV | 300 MW | 3.6 yrs | 71.1 |
| SAMPSON | Substation-Adjacent | 230 kV | 300 MW | 3.6 yrs | 69.5 |
| ST. JOHNS | Substation-Adjacent | 230 kV | 300 MW | 3.6 yrs | 69.1 |
| UNKNOWN108281 | Substation-Adjacent | 230 kV | 300 MW | 3.6 yrs | 67.7 |
| TOCOI | Substation-Adjacent | 230 kV | 300 MW | 3.6 yrs | 67.7 |
| Greenfield (ST. JOHNS - TOCOI) | Greenfield | 230 kV | 300 MW | 3.6 yrs | 66.0 |
| UNKNOWN108483 | Substation-Adjacent | 115 kV | 100 MW | 3.6 yrs | 64.1 |
| ELKTON | Substation-Adjacent | 115 kV | 100 MW | 3.6 yrs | 62.8 |
| Greenfield (MILL CREEK - TOCOI) | Greenfield | 230 kV | 300 MW | 3.6 yrs | 61.4 |
| UNKNOWN108291 | Substation-Adjacent | 115 kV | 100 MW | 3.6 yrs | 61.4 |
| UNKNOWN108286 | Substation-Adjacent | 115 kV | 100 MW | 3.6 yrs | 61.3 |
| Greenfield (UNKNOWN108395 - MILL CREEK) | Greenfield | 115 kV | 100 MW | 3.6 yrs | 61.0 |
| UNKNOWN120432 | Substation-Adjacent | 115 kV | 100 MW | 3.6 yrs | 60.8 |
| Greenfield (UNKNOWN120529 - SAMPSON) | Greenfield | 138 kV | 100 MW | 3.6 yrs | 60.5 |
| UNKNOWN108395 | Substation-Adjacent | 115 kV | 100 MW | 3.6 yrs | 60.4 |
| UNKNOWN108296 | Substation-Adjacent | 115 kV | 100 MW | 3.6 yrs | 59.9 |
| Greenfield (UNKNOWN120529 - SAMPSON) | Greenfield | 138 kV | 100 MW | 3.6 yrs | 59.4 |
| Greenfield (PUTNAM - TOCOI) | Greenfield | 230 kV | 300 MW | 3.6 yrs | 58.5 |
| Greenfield (UNKNOWN108286 - UNKNOWN108291) | Greenfield | 115 kV | 100 MW | 3.6 yrs | 57.0 |
| Greenfield (ELKTON - HASTINGS) | Greenfield | 115 kV | 100 MW | 3.6 yrs | 55.6 |
| Greenfield (UNKNOWN108286 - MILL CREEK) | Greenfield | 115 kV | 100 MW | 3.6 yrs | 54.6 |
| Greenfield (UNKNOWN108286 - MILL CREEK) | Greenfield | 115 kV | 100 MW | 3.6 yrs | 53.9 |
| OZ St. Johns | Greenfield | — | — | 3.6 yrs | 52.4 |
| Greenfield (UNKNOWN108395 - UNKNOWN120431) | Greenfield | 115 kV | 100 MW | 3.6 yrs | 51.3 |
| EC Coal St. Johns County | Greenfield | — | — | 3.6 yrs | 51.3 |
St. Johns County datacenter FAQ
- How many datacenter sites are in St. Johns County?
- 26 scored datacenter candidate sites, averaging 60.2/100 DC Readiness.
- Does St. Johns County offer datacenter tax incentives?
- Sales tax exemption on manufacturing machinery including servers; no state income tax.
- What is the natural-hazard risk in St. Johns County?
- FEMA's National Risk Index rates St. Johns County as "Very High" (score 55).
- What are industrial electricity rates in St. Johns County?
- Average industrial electricity is 7.92¢/kWh and commercial is 10.83¢/kWh in St. Johns County.
Dataset updated . Screening estimates derived from public data sources.
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This page shows a public slice of the GridCensus dataset for St. Johns County, Florida. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.