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Substation-Adjacent site at 41.567, -93.636

Substation-Adjacent

Polk County, Iowa · MISO

DC Readiness
61.3
Good / 100

At a glance

Substation-Adjacent site at 41.567, -93.636 is a substation-adjacent datacenter candidate site in Polk County, Iowa, scoring 61.3/100 DC Readiness — 38th of 84 scored sites in the county. Its nearest substation is UNKNOWN132636 (0 mi, 69 kV). 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. GridCensus catalogs 50 MW of candidate capacity here.

Power & interconnection

Nearest substationUNKNOWN132636
Substation distance0.0 mi
Substation voltage69 kV
Available capacity50 MW
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 IXPConnect Des Moines
IXP distance1.4 mi
Fiber providers17
Fiber coverage92.5%

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 datacenterConnect Des Moines
DC distance1.4 mi
County hazard (FEMA NRI)Relatively Moderate (30)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity9.61¢/kWh
Industrial electricity6.37¢/kWh
Cooling degree days900
Heating degree days6,500
Land price / acre$9,677

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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How does Substation-Adjacent site at 41.567, -93.636 compare with other sites in Polk County?

Substation-Adjacent site at 41.567, -93.636 ranks 38th of 84 scored candidate sites in Polk County. Its 61.3/100 is roughly in line with the county average of 60.6. It is roughly in line with the Iowa average of 56.4 and about 15% above the national average of 53.2.

Against the Iowa average, its strongest sub-score is fiber connectivity (99 vs 77) and its weakest is speed to power (50 vs 50). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.

How close is Substation-Adjacent site at 41.567, -93.636 to power, fiber and other datacenters?

The nearest mapped substation, UNKNOWN132636, is about 0 miles away and operates at 69 kV. The nearest located transmission bottleneck is ALW16X26_WAPELLO_TR91_TR91 (MISO), 76 miles away. For connectivity, the nearest internet exchange facility is Connect Des Moines at 1.4 miles. 17 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Connect Des Moines, 1.4 miles away.

What are the flood, water and hazard risks at Substation-Adjacent site at 41.567, -93.636?

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

Full DC Readiness breakdown

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

Power availability20%
46
Speed to power20%
50
Fiber connectivity12%
99
Energy cost10%
50
Water risk7%
88
Natural hazard6%
70
Buildability7%
60
Labor market4%
50
DC cluster4%
100
Land / acreage3%
39
Construction cost3%
50
Gas pipeline2%
10
Tax incentive1%
100
Climate / cooling1%
80

Nearby comparable sites

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

Sites near Substation-Adjacent site at 41.567, -93.636
SiteTypeVoltageCapacityQueue waitScore
BONDURANTSubstation-Adjacent345 kV600 MW4.3 yrs69.3
GREATER DES MOINES ENERGY CENTERSubstation-Adjacent345 kV600 MW4.3 yrs69.2
SE POLKSubstation-Adjacent345 kV600 MW4.3 yrs69.1
SYCAMORESubstation-Adjacent345 kV600 MW4.3 yrs68.1
Harriet Street Solar FieldBrownfield69 kV1 MW4.3 yrs65.9
OZ PolkGreenfield——4.3 yrs65.9
EC Near Metro Methane Recovery FacilityGreenfield——4.3 yrs64.8
UNKNOWN132634Substation-Adjacent161 kV100 MW4.3 yrs64.2

Substation-Adjacent site at 41.567, -93.636: common questions

What is the DC Readiness score of Substation-Adjacent site at 41.567, -93.636?

Substation-Adjacent site at 41.567, -93.636 scores 61.3/100 on the GridCensus DC Readiness scale, rated good. It ranks 38th of 84 scored sites in Polk County. The Polk County average is 60.6 and the Iowa average is 56.4.

What is the nearest substation to Substation-Adjacent site at 41.567, -93.636?

The nearest mapped substation is UNKNOWN132636, about 0 miles away, at 69 kV. GridCensus catalogs 50 MW of candidate capacity for the site.

Which electric utility serves Substation-Adjacent site at 41.567, -93.636?

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 Substation-Adjacent site at 41.567, -93.636 in?

Substation-Adjacent site at 41.567, -93.636 is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.

How far is Substation-Adjacent site at 41.567, -93.636 from an internet exchange?

The nearest internet exchange facility is Connect Des Moines, about 1.4 miles away; 17 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, “Substation-Adjacent site at 41.567, -93.636, Polk County, IA”, https://gridcensus.com/datacenter-sites/iowa/polk-county/unknown132636-bd542a2c (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.

Go deeper than the public screen

Every site and score for Substation-Adjacent site at 41.567, -93.636, Polk County is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.