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Gridcensus

UNKNOWN158436

Substation-Adjacent

Clarke County, Iowa · MISO

DC Readiness
54.4
Fair / 100

UNKNOWN158436 is a substation-adjacent datacenter candidate site in Clarke County, Iowa, interconnecting through MISO. It screens at 54.4/100 DC Readiness with a catalogued 50 MW of candidate capacity and a 2.8 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationUNKNOWN158436
Substation distance0.0 mi
Substation voltage69 kV
Available capacity50 MW
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 IXPAureon West Des Moines
IXP distance36.8 mi
Fiber providers6
Fiber coverage44.8%

Site characteristics

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 distance29.3 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$5,329

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 + 7 nearby

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Full DC Readiness breakdown

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

Power availability20%
46
Speed to power20%
47
Fiber connectivity12%
60
Energy cost10%
50
Water risk7%
88
Natural hazard6%
70
Buildability7%
60
Labor market4%
50
DC cluster4%
60
Land / acreage3%
39
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
80

Nearby comparable sites

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

Sites near UNKNOWN158436
SiteTypeVoltageCapacityQueue waitScore
TAP159161Substation-Adjacent69 kV50 MW2.8 yrs54.7
UNKNOWN131614Substation-Adjacent69 kV50 MW2.8 yrs54.0
UNKNOWN159160Substation-Adjacent69 kV50 MW2.8 yrs53.9
UNKNOWN137738Substation-Adjacent69 kV50 MW2.8 yrs53.8
TAP159162Substation-Adjacent69 kV50 MW2.8 yrs53.8
UNKNOWN159158Substation-Adjacent69 kV50 MW2.8 yrs53.8
UNKNOWN137729Substation-Adjacent69 kV50 MW2.8 yrs53.7

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 UNKNOWN158436, Clarke 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.