OZ Dewey

Greenfield

Dewey County, South Dakota · SPP

DC Readiness
55.8
Good / 100

OZ Dewey is a greenfield datacenter candidate site in Dewey County, South Dakota, interconnecting through SPP. It screens at 55.8/100 DC Readiness and a 1.0 yrs average interconnection-queue wait.

Power & interconnection

LMP zoneSPP_NORTH
Wholesale LMP$21.13/MWh
Utility commercial rate0.13¢/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 IXPGolden West Rapid City Skyline Facility
IXP distance120.3 mi
Fiber providers3
Fiber coverage88.5%
Nearest cloud providerGCP
Nearest cloud regionus-central1
Cloud region distance374.4 mi

Site characteristics

Site typeGreenfield
Parcel ownerWAPA-- WESTERN AREA POWER ADMINISTRATION
Land owner typeprivate
Buildability75.0/100
Land cover (NLCD)Pasture/Hay

Risk & environment

Flood zoneZone X
Water stress (WRI)1.20
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyClear
Hazard sub-score78/100
Construction cost index49.6 (avg 100)

Location context

Nearest datacenterGolden West Rapid City Skyline Facility
DC distance120.3 mi
Nearest rail4.7 mi
Nearest gas pipeline98.6 mi
Nearest fiber route88.8 mi
County hazard (FEMA NRI)Relatively Low (22)
DC tax incentiveYes (no_income_tax)
Commercial electricity12.92¢/kWh
Industrial electricity11.34¢/kWh
Cooling degree days700
Heating degree days7,300
Land price / acre$1,109

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%
30
Speed to power15%
53
Fiber connectivity12%
36
Energy cost10%
88
Water risk8%
76
Natural hazard8%
78
Buildability7%
75
Labor market4%
50
DC cluster4%
20
Land / acreage3%
54
Construction cost3%
100
Gas pipeline2%
0
Tax incentive2%
100
Climate / cooling2%
90

Nearby comparable sites

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

Sites near OZ Dewey
SiteTypeVoltageCapacityQueue waitScore
Old School Building (White Horse)Industrial39.7
Swiftbird Day SchoolIndustrial39.5
Rodeo Dump -Cheyenne River Sioux TribeIndustrial38.3
Property 1 - South Side of Jefferson St.Industrial37.6
Prop 7 - West Side Washington St & 2nd N of A St.Industrial37.6
Property 4 - South Side of 2nd StIndustrial37.6
Property 3 - NW Corner of 2nd St and Dupree St.Industrial37.6
Property 10 - SW Corner Center St. and Seseme St.Industrial37.6

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 OZ Dewey, Dewey 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.