1004 S 4th St
IndustrialClinton County, Iowa · MISO
At a glance
1004 S 4th St is an industrial datacenter candidate site in Clinton County, Iowa, scoring 53.3/100 DC Readiness — 60th of 118 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 1004 S 4th St compare with other sites in Clinton County?
1004 S 4th St ranks 60th of 118 scored candidate sites in Clinton County. Its 53.3/100 is roughly in line with the county average of 54.3. 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 natural hazard (70 vs 69) 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 1004 S 4th St to power, fiber and other datacenters?
The nearest located transmission bottleneck is BASE_SUNRISE_4434_44 (MISO), 86 miles away. For connectivity, the nearest internet exchange facility is Bluebird Quad Cities Data Center at 24.7 miles. 14 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Geneseo Communications Inc, 24.7 miles away.
What are the flood, water and hazard risks at 1004 S 4th St?
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 Clinton 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 Clinton County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| QUAD CITIES | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 66.6 |
| UNKNOWN122188 | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 66.5 |
| ROCK CREEK | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 66.0 |
| UNKNOWN131376 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 62.1 |
| DEWITT | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 60.4 |
| CALAMUS | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 60.2 |
| UNKNOWN122187 | Substation-Adjacent | 161 kV | 100 MW | 4.8 yrs | 60.1 |
| UNKNOWN131582 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 60.0 |
1004 S 4th St: common questions
What is the DC Readiness score of 1004 S 4th St?
1004 S 4th St scores 53.3/100 on the GridCensus DC Readiness scale, rated fair. It ranks 60th of 118 scored sites in Clinton County. The Clinton County average is 54.3 and the Iowa average is 56.4.
Which electric utility serves 1004 S 4th St?
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 1004 S 4th St in?
1004 S 4th St is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
Is 1004 S 4th St 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 1004 S 4th St from an internet exchange?
The nearest internet exchange facility is Bluebird Quad Cities Data Center, about 24.7 miles away; 14 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, “1004 S 4th St, Clinton County, IA”, https://gridcensus.com/datacenter-sites/iowa/clinton-county/1004-s-4th-st-0bf18be3 (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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