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Gridcensus

Former Mine site at 41.018, -92.416

Former Mine

Wapello County, Iowa · MISO

DC Readiness
51.3
Fair / 100

At a glance

Former Mine site at 41.018, -92.416 is a former mine datacenter candidate site in Wapello County, Iowa, scoring 51.3/100 DC Readiness — 35th of 49 scored sites in the county. It sits in the MISO grid region and the MIDAMERICAN ENERGY CO service territory, where interconnection has averaged 4.3 years from request to operation.

Power & interconnection

UtilityMIDAMERICAN ENERGY COinvestor ownedfavorable to large load · terms ≥ 50 MW

Speed to power

Interconnection outlookModerate
≈ 4.9 yrs typical interconnection wait

Middle-of-the-pack interconnection conditions for this grid.

ISO / RTO regionMISO
Queue depth112
Avg queue wait4.3 yrs
Recent queue wait4.9 yrs
Completion rate18%
Withdrawal rate82%

Connectivity

Nearest IXPDartPoints North Liberty, IA
IXP distance66.4 mi
Fiber providers10
Fiber coverage64.1%

Site characteristics

Site typeFormer Mine
Former useMining: SandAndGravel; 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 datacenterAT&T DC
DC distance57.6 mi
County hazard (FEMA NRI)Relatively Moderate (30)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity12.07¢/kWh
Industrial electricity7.39¢/kWh
Cooling degree days900
Heating degree days6,500
Land price / acre$6,657

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

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

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How does Former Mine site at 41.018, -92.416 compare with other sites in Wapello County?

Former Mine site at 41.018, -92.416 ranks 35th of 49 scored candidate sites in Wapello County. Its 51.3/100 is roughly in line with the county average of 52.2. It is roughly in line with the Iowa average of 56.4 and roughly in line with the national average of 53.2.

Against the Iowa average, its strongest sub-score is natural hazard (70 vs 69) and its weakest is fiber connectivity (68 vs 77). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.

How close is Former Mine site at 41.018, -92.416 to power, fiber and other datacenters?

The nearest located transmission bottleneck is ALW16X26_WAPELLO_TR91_TR91 (MISO), 2 miles away. For connectivity, the nearest internet exchange facility is DartPoints North Liberty, IA at 66.4 miles. 10 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is AT&T DC, 57.6 miles away.

What are the flood, water and hazard risks at Former Mine site at 41.018, -92.416?

At the county level, FEMA's National Risk Index rates Wapello County "Relatively Moderate".

Full DC Readiness breakdown

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

Power availability20%
30
Speed to power20%
50
Fiber connectivity12%
68
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 Wapello County, ranked by DC Readiness.

Sites near Former Mine site at 41.018, -92.416
SiteTypeVoltageCapacityQueue waitScore
OTTUMWA GENERATION STATIONSubstation-Adjacent345 kV600 MW4.3 yrs63.5
WAPELLOSubstation-Adjacent161 kV100 MW4.3 yrs58.0
UNKNOWN137730Substation-Adjacent69 kV50 MW4.3 yrs55.3
UNKNOWN132657Substation-Adjacent69 kV50 MW4.3 yrs55.3
TAP159148Substation-Adjacent69 kV50 MW4.3 yrs55.2
UNKNOWN159149Substation-Adjacent69 kV50 MW4.3 yrs55.1
UNKNOWN156538Substation-Adjacent69 kV50 MW4.3 yrs55.1
UNKNOWN159147Substation-Adjacent69 kV50 MW4.3 yrs54.9

Former Mine site at 41.018, -92.416: common questions

What is the DC Readiness score of Former Mine site at 41.018, -92.416?

Former Mine site at 41.018, -92.416 scores 51.3/100 on the GridCensus DC Readiness scale, rated fair. It ranks 35th of 49 scored sites in Wapello County. The Wapello County average is 52.2 and the Iowa average is 56.4.

Which electric utility serves Former Mine site at 41.018, -92.416?

MIDAMERICAN ENERGY CO (investor owned) holds the retail service territory that contains the site; its holding company is BERKSHIRE HATHAWAY ENERGY.

What grid region is Former Mine site at 41.018, -92.416 in?

Former Mine site at 41.018, -92.416 is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.

How far is Former Mine site at 41.018, -92.416 from an internet exchange?

The nearest internet exchange facility is DartPoints North Liberty, IA, about 66.4 miles away; 10 fiber providers report service at the location.

Related pages

About this data

Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: GridCensus, “Former Mine site at 41.018, -92.416, Wapello County, IA”, https://gridcensus.com/datacenter-sites/iowa/wapello-county/mine-site-3ab41ced (data as of October 10, 2026).

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.

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