UNKNOWN131137

Substation-Adjacent

Codington County, South Dakota · SPP

DC Readiness
66.0
Good / 100

UNKNOWN131137 is a substation-adjacent datacenter candidate site in Codington County, South Dakota, interconnecting through SPP. It screens at 66.0/100 DC Readiness with a catalogued 100 MW of candidate capacity and a 1.0 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationUNKNOWN131137
Substation distance0.0 mi
Substation voltage115 kV
Available capacity100 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 IXPTierPoint Sioux Falls - West
IXP distance89.5 mi
Fiber providers4
Fiber coverage20.3%
Nearest cloud providerGCP
Nearest cloud regionus-central1
Cloud region distance257.9 mi

Site characteristics

Parcel ownerWatertown Municipal Utilities
Land owner typeprivate
Buildability95.0/100
Land cover (NLCD)Developed, Medium Intensity

Risk & environment

Flood zoneZone X
Water stress (WRI)1.20
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyPresent
Superfund siteQUALITY FINISHING INC FORMER
Hazard sub-score68/100
Construction cost index81.9 (avg 100)

Location context

Nearest datacenterTierPoint Sioux Falls West Data Center
DC distance89.4 mi
Nearest rail1.0 mi
Nearest gas pipeline0.5 mi
Nearest fiber route73.7 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%
56
Speed to power15%
53
Fiber connectivity12%
55
Energy cost10%
88
Water risk8%
81
Natural hazard8%
68
Buildability7%
95
Labor market4%
50
DC cluster4%
20
Land / acreage3%
63
Construction cost3%
82
Gas pipeline2%
98
Tax incentive2%
100
Climate / cooling2%
90

Nearby comparable sites

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

Sites near UNKNOWN131137
SiteTypeVoltageCapacityQueue waitScore
WATERTOWNSubstation-Adjacent345 kV600 MW1.0 yrs70.0
UNKNOWN175856Substation-Adjacent230 kV300 MW1.0 yrs67.0
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
Greenfield (GROTON - WATERTOWN)Greenfield345 kV600 MW1.0 yrs63.7

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 UNKNOWN131137, 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.