Southern Illinois Airport at 37.769, -89.249
Federal ExcessJackson, Illinois · MISO
At a glance
Southern Illinois Airport at 37.769, -89.249 is a federal excess datacenter candidate site in Jackson, Illinois, scoring 49.6/100 DC Readiness — 32nd of 34 scored sites in the county. It sits in the MISO grid region and the EGYPTIAN ELECTRIC COOP ASSN service territory, where interconnection has averaged 4.8 years from request to operation.
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 Southern Illinois Airport at 37.769, -89.249 compare with other sites in Jackson?
Southern Illinois Airport at 37.769, -89.249 ranks 32nd of 34 scored candidate sites in Jackson. Its 49.6/100 is roughly in line with the county average of 53.6. It is roughly in line with the Illinois average of 54.3 and roughly in line with the national average of 53.2.
Against the Illinois average, its strongest sub-score is natural hazard (65 vs 63) 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 Southern Illinois Airport at 37.769, -89.249 to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is Quad State Internet METRO1 Colocation at 51.2 miles. 8 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is Quad State Internet METRO1 Colocation, 51.2 miles away.
What are the flood, water and hazard risks at Southern Illinois Airport at 37.769, -89.249?
At the county level, FEMA's National Risk Index rates Jackson "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 Jackson, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN121881 | Substation-Adjacent | 138 kV | 100 MW | 4.8 yrs | 59.7 |
| OZ Jackson | Greenfield | — | — | 4.8 yrs | 58.6 |
| EC Coal Jackson County | Greenfield | — | — | 4.8 yrs | 57.7 |
| EC Near Grand Tower Energy Center LLC | Greenfield | — | — | 4.8 yrs | 56.9 |
| UNKNOWN122346 | Substation-Adjacent | 161 kV | 100 MW | 4.8 yrs | 56.7 |
| EC Near Grand Tower Energy Center LLC | Greenfield | — | — | 4.8 yrs | 56.6 |
| CARBONDALE NW | Substation-Adjacent | 138 kV | 100 MW | 4.8 yrs | 56.3 |
| REEDS | Substation-Adjacent | 138 kV | 100 MW | 4.8 yrs | 56.3 |
Southern Illinois Airport at 37.769, -89.249: common questions
What is the DC Readiness score of Southern Illinois Airport at 37.769, -89.249?
Southern Illinois Airport at 37.769, -89.249 scores 49.6/100 on the GridCensus DC Readiness scale, rated fair. It ranks 32nd of 34 scored sites in Jackson. The Jackson average is 53.6 and the Illinois average is 54.3.
Which electric utility serves Southern Illinois Airport at 37.769, -89.249?
EGYPTIAN ELECTRIC COOP ASSN (cooperative) holds the retail service territory that contains the site.
What grid region is Southern Illinois Airport at 37.769, -89.249 in?
Southern Illinois Airport at 37.769, -89.249 is in the MISO region. Projects interconnecting there have averaged a 4.8-year wait from queue request to operation.
How far is Southern Illinois Airport at 37.769, -89.249 from an internet exchange?
The nearest internet exchange facility is Quad State Internet METRO1 Colocation, about 51.2 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, “Southern Illinois Airport at 37.769, -89.249, Jackson, IL”, https://gridcensus.com/datacenter-sites/illinois/jackson/southern-illinois-airport-5d3e47ec (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 Southern Illinois Airport at 37.769, -89.249, Jackson 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.