EC Near John Deere Dubuque Works
GreenfieldDubuque County, Iowa · MISO
At a glance
EC Near John Deere Dubuque Works is a greenfield datacenter candidate site in Dubuque County, Iowa, scoring 53.5/100 DC Readiness — 60th of 101 scored sites in the county. It sits in the MISO grid region, 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 EC Near John Deere Dubuque Works compare with other sites in Dubuque County?
EC Near John Deere Dubuque Works ranks 60th of 101 scored candidate sites in Dubuque County. Its 53.5/100 is roughly in line with the county average of 55.8. 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 speed to power (50 vs 50) and its weakest is natural hazard (45 vs 69). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is EC Near John Deere Dubuque Works to power, fiber and other datacenters?
The nearest located transmission bottleneck is ALEWEC02_ROCKDAL1_66320_66 (MISO), 87 miles away. For connectivity, the nearest internet exchange facility is USSHC at 30.8 miles. 12 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is USSHC, 30.8 miles away.
What are the flood, water and hazard risks at EC Near John Deere Dubuque Works?
The site is in FEMA flood zone AE, a Special Flood Hazard Area — land with at least a 1% annual chance of flooding. WRI rates baseline water stress at 0.60 on a 0–5 scale. Mapped wetlands (National Wetlands Inventory) are present on the parcel. At the county level, FEMA's National Risk Index rates Dubuque 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 Dubuque County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SALEM | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 65.2 |
| EC Coal Dubuque County | Greenfield | — | — | 4.3 yrs | 62.2 |
| EC Coal Dubuque County | Greenfield | — | — | 4.3 yrs | 62.0 |
| EC Near Dubuque | Greenfield | — | — | 4.3 yrs | 61.2 |
| UNKNOWN130699 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 60.4 |
| HICKORY CREEK | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 60.3 |
| UNKNOWN136983 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 60.1 |
| UNKNOWN131370 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 59.9 |
EC Near John Deere Dubuque Works: common questions
What is the DC Readiness score of EC Near John Deere Dubuque Works?
EC Near John Deere Dubuque Works scores 53.5/100 on the GridCensus DC Readiness scale, rated fair. It ranks 60th of 101 scored sites in Dubuque County. The Dubuque County average is 55.8 and the Iowa average is 56.4.
What grid region is EC Near John Deere Dubuque Works in?
EC Near John Deere Dubuque Works is in the MISO region. Projects interconnecting there have averaged a 4.3-year wait from queue request to operation.
Is EC Near John Deere Dubuque Works in a flood zone?
The site is in FEMA flood zone AE, a Special Flood Hazard Area — land with at least a 1% annual chance of flooding.
Who owns EC Near John Deere Dubuque Works?
Parcel records list the owner as AMERICAN TRANSMISSION CO (private land).
How far is EC Near John Deere Dubuque Works from an internet exchange?
The nearest internet exchange facility is USSHC, about 30.8 miles away; 12 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, “EC Near John Deere Dubuque Works, Dubuque County, IA”, https://gridcensus.com/datacenter-sites/iowa/dubuque-county/ec-near-john-deere-dubuque-works-9bd4d37f (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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