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Gridcensus

Mine Site

Former Mine

Johnson County, Wyoming · WECC

DC Readiness
53.1
Fair / 100

Mine Site is a former mine datacenter candidate site in Johnson County, Wyoming, interconnecting through WECC. It screens at 53.1/100 DC Readiness and a 6.9 yrs average interconnection-queue wait.

Power & interconnection

UtilityPOWDER RIVER ENERGY CORPcooperativefavorable to large load · state default

Speed to power

Interconnection outlookConstrained
≈ 6.9 yrs typical interconnection wait

Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.

ISO / RTO regionWECC
Queue depth34
Avg queue wait6.9 yrs

Connectivity

Nearest IXPACT Buffalo
IXP distance0.4 mi
Fiber providers5
Fiber coverage11.2%

Site characteristics

Site typeFormer Mine
Former useMining: SandAndGravel; Status: Abandoned
Cleanup statusAbandoned

Risk & environment

Environmental constraintNone (0/100)
Water stress (WRI)Medium-High
Wetlands (NWI)—
Critical habitat—
Superfund nearby—
Hazard sub-score90/100

Location context

Nearest datacenterACT Buffalo
DC distance0.4 mi
County hazard (FEMA NRI)Very Low (10)
DC tax incentiveYes (no_income_tax)
Commercial electricity9.82¢/kWh
Industrial electricity8.03¢/kWh
Cooling degree days300
Heating degree days7,600
Land price / acre$1,165

Regulatory climate

Favorablestate posture · as of 2026-08

Low-cost power and land; DC-friendly posture.

DC tax incentiveYes

Incentive detail: No state corporate or personal income tax; low property taxes.

Site location

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≥ 7560–7540–60≤ 40
This site + 8 nearby

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Full DC Readiness breakdown

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

Power availability20%
30
Speed to power20%
55
Fiber connectivity12%
63
Energy cost10%
50
Water risk7%
48
Natural hazard6%
90
Buildability7%
50
Labor market4%
50
DC cluster4%
100
Land / acreage3%
55
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
100

Nearby comparable sites

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

Sites near Mine Site
SiteTypeVoltageCapacityQueue waitScore
BUFFALOSubstation-Adjacent230 kV300 MW6.9 yrs63.4
TAP204319Substation-Adjacent69 kV50 MW6.9 yrs56.2
EC Coal Johnson CountyGreenfield——1.7 yrs55.9
UNKNOWN209311Substation-Adjacent115 kV100 MW6.9 yrs55.1
UNKNOWN204282Substation-Adjacent230 kV300 MW6.9 yrs55.1
UNKNOWN204284Substation-Adjacent230 kV300 MW6.9 yrs55.1
KAYCEESubstation-Adjacent230 kV300 MW6.9 yrs55.1
Mine SiteFormer Mine——3.3 yrs53.4

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 Mine Site, Johnson County. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.