Substation-Adjacent site at 41.480, -90.436
Substation-AdjacentRock Island County, Illinois · MISO
At a glance
Substation-Adjacent site at 41.480, -90.436 is a substation-adjacent datacenter candidate site in Rock Island County, Illinois, scoring 58.9/100 DC Readiness — 25th of 68 scored sites in the county. Its nearest substation is UNKNOWN121967 (0 mi, 69 kV). It sits in the MISO grid region, where interconnection has averaged 4.8 years from request to operation. GridCensus catalogs 50 MW of candidate capacity here.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
New-DC state tax exemptions suspended for 2 years (from Jul 2026).
Incentive detail: Enterprise Zone sales tax exemption; High Impact Business designation for $12M+ DC investments.
Site location
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How does Substation-Adjacent site at 41.480, -90.436 compare with other sites in Rock Island County?
Substation-Adjacent site at 41.480, -90.436 ranks 25th of 68 scored candidate sites in Rock Island County. Its 58.9/100 is roughly in line with the county average of 58.0. It is roughly in line with the Illinois average of 54.3 and about 11% above the national average of 53.2.
Against the Illinois average, its strongest sub-score is fiber connectivity (94 vs 71) and its weakest is speed to power (47 vs 47). 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 41.480, -90.436 to power, fiber and other datacenters?
The nearest mapped substation, UNKNOWN121967, is about 0 miles away and operates at 69 kV. The nearest located transmission bottleneck is QUAD CITY - SUB91 345 kV l/o CORDOVA - SUB39 345 kV (PJM), 18 miles away. For connectivity, the nearest internet exchange facility is Bluebird Quad Cities Data Center at 5.4 miles. 12 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Geneseo Communications Inc, 5.4 miles away.
What are the flood, water and hazard risks at Substation-Adjacent site at 41.480, -90.436?
At the county level, FEMA's National Risk Index rates Rock Island County "Relatively High".
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 Rock Island County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN131605 | Substation-Adjacent | 345 kV | 600 MW | 4.3 yrs | 67.3 |
| SUB 39 | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 67.2 |
| OAK GROVE | Substation-Adjacent | 345 kV | 600 MW | 4.8 yrs | 66.6 |
| UNKNOWN132674 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 64.7 |
| OZ Rock Island | Greenfield | — | — | 4.8 yrs | 64.4 |
| UNKNOWN132671 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 63.6 |
| UNKNOWN137695 | Substation-Adjacent | 161 kV | 100 MW | 4.3 yrs | 63.5 |
| EC Coal Rock Island County | Greenfield | — | — | 4.8 yrs | 63.0 |
Substation-Adjacent site at 41.480, -90.436: common questions
What is the DC Readiness score of Substation-Adjacent site at 41.480, -90.436?
Substation-Adjacent site at 41.480, -90.436 scores 58.9/100 on the GridCensus DC Readiness scale, rated good. It ranks 25th of 68 scored sites in Rock Island County. The Rock Island County average is 58.0 and the Illinois average is 54.3.
What is the nearest substation to Substation-Adjacent site at 41.480, -90.436?
The nearest mapped substation is UNKNOWN121967, about 0 miles away, at 69 kV. GridCensus catalogs 50 MW of candidate capacity for the site.
What grid region is Substation-Adjacent site at 41.480, -90.436 in?
Substation-Adjacent site at 41.480, -90.436 is in the MISO region. Projects interconnecting there have averaged a 4.8-year wait from queue request to operation.
How far is Substation-Adjacent site at 41.480, -90.436 from an internet exchange?
The nearest internet exchange facility is Bluebird Quad Cities Data Center, about 5.4 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, “Substation-Adjacent site at 41.480, -90.436, Rock Island County, IL”, https://gridcensus.com/datacenter-sites/illinois/rock-island-county/unknown121967-aa80719a (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 41.480, -90.436, Rock Island 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.