Greenfield (GROTON - WATERTOWN)

Greenfield

Codington County, South Dakota · SPP

DC Readiness
60.0
Good / 100

Greenfield (GROTON - WATERTOWN) is a greenfield datacenter candidate site in Codington County, South Dakota, interconnecting through SPP. It screens at 60.0/100 DC Readiness with a catalogued 600 MW of candidate capacity and a 1.0 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationGROTON
Substation voltage345 kV
Available capacity600 MW
LMP zoneSPP_NORTH
Wholesale LMP$21.13/MWh
Utility commercial rate0.08¢/kWh

Speed to power

ISO / RTO regionSPP
Queue depth17
Avg queue wait1.0 yrs
Recent queue wait0.6 yrs
Completion rate22%
Withdrawal rate78%

Connectivity

Nearest IXPELN02
IXP distance92.4 mi
Fiber providers4
Fiber coverage20.3%
Nearest cloud providerGCP
Nearest cloud regionus-central1
Cloud region distance269.9 mi

Site characteristics

Site typeGreenfield
Parcel ownerNORTHWESTERN ENERGY
Land owner typeprivate
Buildability80.0/100
Land cover (NLCD)Grassland/Herbaceous

Risk & environment

Flood zoneZone X
Water stress (WRI)1.20
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyClear
Hazard sub-score78/100
Construction cost index81.9 (avg 100)

Location context

Nearest datacenterApplied Digital / Ellendale Data Center
DC distance92.5 mi
Nearest rail9.1 mi
Nearest gas pipeline9.8 mi
Nearest fiber route285.3 mi
County hazard (FEMA NRI)Relatively Low (22)
DC tax incentiveYes (no_income_tax)
Commercial electricity7.75¢/kWh
Industrial electricity7.22¢/kWh
Cooling degree days700
Heating degree days7,300
Land price / acre$4,311

Incentive detail: No state corporate income tax; no personal income tax; no personal property tax.

Full DC Readiness breakdown

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

Power availability20%
59
Speed to power15%
53
Fiber connectivity12%
11
Energy cost10%
88
Water risk8%
81
Natural hazard8%
78
Buildability7%
80
Labor market4%
50
DC cluster4%
20
Land / acreage3%
48
Construction cost3%
82
Gas pipeline2%
68
Tax incentive2%
100
Climate / cooling2%
90

Nearby comparable sites

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

Sites near Greenfield (GROTON - WATERTOWN)
SiteTypeVoltageCapacityQueue waitScore
WATERTOWNSubstation-Adjacent345 kV600 MW1.0 yrs70.0
UNKNOWN175856Substation-Adjacent230 kV300 MW1.0 yrs67.0
UNKNOWN131137Substation-Adjacent115 kV100 MW1.0 yrs66.0
Greenfield (UNKNOWN175849 - ELLENDALE 345 )Greenfield345 kV600 MW1.4 yrs65.5
Greenfield (UNKNOWN175849 - ELLENDALE 345 )Greenfield345 kV600 MW1.4 yrs64.9
Greenfield (GROTON - WATERTOWN)Greenfield345 kV600 MW1.0 yrs64.3
Greenfield (GROTON - WATERTOWN)Greenfield345 kV600 MW1.0 yrs64.2
Greenfield (WATERTOWN - WHITE)Greenfield345 kV600 MW1.0 yrs64.2

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.

Go deeper than the public screen

This page shows a public slice of the GridCensus dataset for Greenfield (GROTON - WATERTOWN), Codington 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.