Marathon Generating Plant

Brownfield

Monroe County, Florida · SERC

DC Readiness
54.9
Fair / 100

Marathon Generating Plant is a brownfield datacenter candidate site in Monroe County, Florida, interconnecting through SERC. It screens at 54.9/100 DC Readiness with a catalogued 14 MW of candidate capacity.

Power & interconnection

Substation distance0.0 mi
Available capacity14 MW
Utility commercial rate0.13¢/kWh

Speed to power

ISO / RTO regionSERC
Queue depth1

Connectivity

Nearest IXPQTS Miami (MIA1)
IXP distance87.0 mi
Fiber providers5
Nearest cloud providerGoogle
Nearest cloud regionus-east1
Cloud region distance589.9 mi

Site characteristics

Site typeBrownfield
Land owner typeprivate
Buildability75.0/100
Former useoil
Existing capacity14 MW
Retirement date2018-11-01

Risk & environment

Flood zoneZone X
Water stress (WRI)1.20
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyPresent
Superfund siteFLORIDA KEYS ELECTRIC COOPERATIVE GENERATION PLANT
Hazard sub-score35/100
Construction cost index78.6 (avg 100)

Location context

Nearest datacenterNocRoom Miami IT Services
DC distance77.0 mi
Nearest rail3.2 mi
Nearest gas pipeline66.9 mi
County hazard (FEMA NRI)Very High (55)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity12.97¢/kWh
Industrial electricity11.69¢/kWh
Cooling degree days3,500
Heating degree days700
Land price / acre$8,966

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%
52
Speed to power15%
66
Fiber connectivity12%
35
Energy cost10%
89
Water risk8%
52
Natural hazard8%
35
Buildability7%
75
Labor market4%
50
DC cluster4%
20
Land / acreage3%
64
Construction cost3%
85
Gas pipeline2%
0
Tax incentive2%
100
Climate / cooling2%
0

Nearby comparable sites

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

Sites near Marathon Generating Plant
SiteTypeVoltageCapacityQueue waitScore
MARATHONSubstation-Adjacent138 kV100 MW3.6 yrs57.9
KENNEDY DRIVESubstation-Adjacent138 kV100 MW3.6 yrs57.5
UNKNOWN108501Substation-Adjacent138 kV100 MW3.6 yrs57.3
MARATHON GENERATING PLANTSubstation-Adjacent138 kV100 MW3.6 yrs56.2
STOCK ISLANDSubstation-Adjacent138 kV100 MW3.6 yrs56.1
UNKNOWN150796Substation-Adjacent138 kV100 MW3.6 yrs55.7
UNKNOWN120079Substation-Adjacent138 kV100 MW3.6 yrs54.8
Big PineBrownfield3 MW54.2

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.

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This page shows a public slice of the GridCensus dataset for Marathon Generating Plant, Monroe 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.