Substation-Adjacent site at 43.438, -95.181
Substation-AdjacentDickinson County, Iowa · MISO
At a glance
Substation-Adjacent site at 43.438, -95.181 is a substation-adjacent datacenter candidate site in Dickinson County, Iowa, scoring 57.6/100 DC Readiness — 27th of 38 scored sites in the county. Its nearest substation is UNKNOWN162820 (0 mi, 69 kV). It sits in the MISO grid region and the INTERSTATE POWER AND LIGHT CO service territory, where interconnection has averaged 4.3 years from request to operation. GridCensus catalogs 50 MW of candidate capacity here.
Power & interconnection
Speed to power
Middle-of-the-pack interconnection conditions for this grid.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
Strong incentives; utilities courting hyperscale load.
Incentive detail: Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.
Site location
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How does Substation-Adjacent site at 43.438, -95.181 compare with other sites in Dickinson County?
Substation-Adjacent site at 43.438, -95.181 ranks 27th of 38 scored candidate sites in Dickinson County. Its 57.6/100 is roughly in line with the county average of 58.3. 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 power availability (46 vs 37) 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 43.438, -95.181 to power, fiber and other datacenters?
The nearest mapped substation, UNKNOWN162820, is about 0 miles away and operates at 69 kV. The nearest located transmission bottleneck is West_Memphis_AT1_161_500kV_flo_Sans_Souci_Driver (MISO), 79 miles away. For connectivity, the nearest internet exchange facility is South Spencer Aureon hut at 22.7 miles. 8 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is South Spencer Aureon hut, 22.7 miles away.
What are the flood, water and hazard risks at Substation-Adjacent site at 43.438, -95.181?
At the county level, FEMA's National Risk Index rates Dickinson County "Relatively Moderate".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Dickinson County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| EC Near Lake Park | Greenfield | — | — | 4.3 yrs | 62.2 |
| EC Near Lake Park | Greenfield | — | — | 4.3 yrs | 60.4 |
| UNKNOWN130504 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 60.4 |
| UNKNOWN130505 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 60.4 |
| EC Near Lake Park | Greenfield | — | — | 4.3 yrs | 60.4 |
| TAP137995 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 60.3 |
| EC Near Lake Park | Greenfield | — | — | 4.3 yrs | 60.1 |
| EC Near Lake Park | Greenfield | — | — | 4.3 yrs | 59.8 |
Substation-Adjacent site at 43.438, -95.181: common questions
What is the DC Readiness score of Substation-Adjacent site at 43.438, -95.181?
Substation-Adjacent site at 43.438, -95.181 scores 57.6/100 on the GridCensus DC Readiness scale, rated good. It ranks 27th of 38 scored sites in Dickinson County. The Dickinson County average is 58.3 and the Iowa average is 56.4.
What is the nearest substation to Substation-Adjacent site at 43.438, -95.181?
The nearest mapped substation is UNKNOWN162820, 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 43.438, -95.181?
INTERSTATE POWER AND LIGHT CO (investor owned) holds the retail service territory that contains the site; its holding company is ALLIANT ENERGY CORP.
What grid region is Substation-Adjacent site at 43.438, -95.181 in?
Substation-Adjacent site at 43.438, -95.181 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 43.438, -95.181 from an internet exchange?
The nearest internet exchange facility is South Spencer Aureon hut, about 22.7 miles away; 8 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 43.438, -95.181, Dickinson County, IA”, https://gridcensus.com/datacenter-sites/iowa/dickinson-county/unknown162820-d202a022 (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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Every site and score for Substation-Adjacent site at 43.438, -95.181, Dickinson 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.