Marion Auto Parts
IndustrialLinn County, Iowa · MISO
At a glance
Marion Auto Parts is an industrial datacenter candidate site in Linn County, Iowa, scoring 55.8/100 DC Readiness — 68th of 105 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
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 Marion Auto Parts compare with other sites in Linn County?
Marion Auto Parts ranks 68th of 105 scored candidate sites in Linn County. Its 55.8/100 is roughly in line with the county average of 58.4. 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 fiber connectivity (86 vs 77) and its weakest is power availability (30 vs 37). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Marion Auto Parts to power, fiber and other datacenters?
The nearest located transmission bottleneck is ALW16X26_WAPELLO_TR91_TR91 (MISO), 82 miles away. For connectivity, the nearest internet exchange facility is ark data centers - Cedar Rapids ,IA at 2 miles. 22 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is ark data centers - Cedar Rapids ,IA, 2 miles away.
What are the flood, water and hazard risks at Marion Auto Parts?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk). At the county level, FEMA's National Risk Index rates Linn 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 Linn County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| Alliant SBD 9302 Aegon NP | Brownfield | — | 1 MW | 4.3 yrs | 67.2 |
| ARNOLD | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.1 |
| EC Coal Linn County | Greenfield | — | — | 4.3 yrs | 63.6 |
| EC Near Red Cedar | Greenfield | — | — | 4.3 yrs | 63.5 |
| HIAWATHA | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 63.0 |
| EC Coal Linn County | Greenfield | — | — | 4.3 yrs | 62.5 |
| UNKNOWN132112 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 62.5 |
| EC Near Red Cedar | Greenfield | — | — | 4.3 yrs | 62.4 |
Marion Auto Parts: common questions
What is the DC Readiness score of Marion Auto Parts?
Marion Auto Parts scores 55.8/100 on the GridCensus DC Readiness scale, rated good. It ranks 68th of 105 scored sites in Linn County. The Linn County average is 58.4 and the Iowa average is 56.4.
Which electric utility serves Marion Auto Parts?
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 Marion Auto Parts in?
Marion Auto Parts is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
Is Marion Auto Parts in a flood zone?
The site is in FEMA flood zone X, outside the Special Flood Hazard Area (minimal or moderate flood risk).
How far is Marion Auto Parts from an internet exchange?
The nearest internet exchange facility is ark data centers - Cedar Rapids ,IA, about 2 miles away; 22 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, “Marion Auto Parts, Linn County, IA”, https://gridcensus.com/datacenter-sites/iowa/linn-county/marion-auto-parts-0edee57b (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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