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Gridcensus

Mine Site

Former Mine

Adair, Iowa · MISO

DC Readiness
49.3
Fair / 100

Mine Site is a former mine datacenter candidate site in Adair, Iowa, interconnecting through MISO. It screens at 49.3/100 DC Readiness and a 2.8 yrs average interconnection-queue wait.

Power & interconnection

UtilityINTERSTATE POWER AND LIGHT COinvestor ownedfavorable to large load · terms ≥ 100 MW

Speed to power

Interconnection outlookFavorable
≈ 2.8 yrs typical interconnection wait

Shorter queues and healthier completion here — a faster path to energization than the national norm.

ISO / RTO regionMISO
Queue depth112
Avg queue wait2.8 yrs

Connectivity

Nearest IXPUS Signal IA01 - Des Moines
IXP distance36.8 mi
Fiber providers8
Fiber coverage59.9%

Site characteristics

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

Risk & environment

Environmental constraintNone (0/100)
Water stress (WRI)Low
Wetlands (NWI)—
Critical habitat—
Superfund nearby—
Hazard sub-score70/100

Location context

Nearest datacenterMicrosoft
DC distance33.0 mi
County hazard (FEMA NRI)Relatively Moderate (30)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity13.42¢/kWh
Industrial electricity8.19¢/kWh
Cooling degree days900
Heating degree days6,500
Land price / acre$7,226

Regulatory climate

Favorablestate posture · as of 2026-08

Strong incentives; utilities courting hyperscale load.

DC tax incentiveYes

Incentive detail: Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.

Site location

◆ Loading map…
≥ 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%
47
Fiber connectivity12%
57
Energy cost10%
50
Water risk7%
88
Natural hazard6%
70
Buildability7%
50
Labor market4%
50
DC cluster4%
40
Land / acreage3%
39
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
80

Nearby comparable sites

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

Sites near Mine Site
SiteTypeVoltageCapacityQueue waitScore
EC Near Greenfield Light PlantGreenfield——1.4 yrs59.0
EC Near Greenfield Light PlantGreenfield——1.4 yrs59.0
EC Near Greenfield Light PlantGreenfield——1.4 yrs57.8
EC Near Greenfield Light PlantGreenfield——1.4 yrs57.6
EC Near Greenfield Light PlantGreenfield——1.4 yrs57.5
EC Near Greenfield Light PlantGreenfield——1.4 yrs57.4
EC Near Greenfield Light PlantGreenfield——1.4 yrs57.3
UNKNOWN131508Substation-Adjacent161 kV100 MW2.8 yrs57.1

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, Adair. 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.