St. Johns County, Florida · SERC

DC Readiness
69.5
Good / 100

SAMPSON is a substation-adjacent datacenter candidate site in St. Johns County, Florida, interconnecting through SERC. It screens at 69.5/100 DC Readiness with a catalogued 300 MW of candidate capacity and a 3.6 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationSAMPSON
Substation distance0.0 mi
Substation voltage230 kV
Available capacity300 MW
Utility commercial rate0.11¢/kWh

Speed to power

ISO / RTO regionSERC
Queue depth1
Avg queue wait3.6 yrs
Recent queue wait3.3 yrs
Completion rate26%
Withdrawal rate74%

Connectivity

Nearest IXPTierPoint Jacksonville
IXP distance11.4 mi
Fiber providers7
Fiber coverage76.6%
Nearest cloud providerGCP
Nearest cloud regionus-east1
Cloud region distance234.4 mi

Site characteristics

Parcel ownerFLORIDA POWER & LIGHT CO
Land owner typeprivate
Buildability100.0/100
Land cover (NLCD)Developed, High Intensity

Risk & environment

Flood zoneZone X
Water stress (WRI)1.20
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyPresent
Superfund sitePUBLIX SUPER MARKET 1099
Hazard sub-score35/100
Construction cost index90.8 (avg 100)

Location context

Nearest datacenterTierPoint Jacksonville
DC distance11.4 mi
Nearest rail4.4 mi
Nearest gas pipeline18.4 mi
Nearest fiber route87.1 mi
County hazard (FEMA NRI)Very High (55)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity10.83¢/kWh
Industrial electricity7.92¢/kWh
Cooling degree days3,500
Heating degree days700
Land price / acre$13,626

Incentive detail: Sales tax exemption on manufacturing machinery including servers; no state income tax.

Full DC Readiness breakdown

All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.

Power availability20%
78
Speed to power15%
75
Fiber connectivity12%
51
Energy cost10%
89
Water risk8%
81
Natural hazard8%
35
Buildability7%
100
Labor market4%
50
DC cluster4%
80
Land / acreage3%
40
Construction cost3%
74
Gas pipeline2%
41
Tax incentive2%
100
Climate / cooling2%
0

Nearby comparable sites

Other scored datacenter candidate sites in St. Johns County, ranked by DC Readiness.

Sites near SAMPSON
SiteTypeVoltageCapacityQueue waitScore
MILL CREEKSubstation-Adjacent230 kV300 MW3.6 yrs71.1
ST. JOHNSSubstation-Adjacent230 kV300 MW3.6 yrs69.1
TOCOISubstation-Adjacent230 kV300 MW3.6 yrs67.7
UNKNOWN108281Substation-Adjacent230 kV300 MW3.6 yrs67.7
Greenfield (ST. JOHNS - TOCOI)Greenfield230 kV300 MW3.6 yrs66.0
UNKNOWN108483Substation-Adjacent115 kV100 MW3.6 yrs64.1
ELKTONSubstation-Adjacent115 kV100 MW3.6 yrs62.8
Greenfield (MILL CREEK - TOCOI)Greenfield230 kV300 MW3.6 yrs61.4

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.

Go deeper than the public screen

This page shows a public slice of the GridCensus dataset for SAMPSON, St. Johns County. 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.