This canonical record consolidates 4 source-backed observations without discarding aliases, limitations or unresolved dimensions.
| Operator / developer | CyrusOne |
|---|---|
| Jurisdiction | Sangamon County, IL |
| Address | 200 S. Ninth St Rm 234, (217) 753-6760, zoning@sangamonil.gov |
| Location precision | street address |
| Coordinates | null, null |
| Capacity | 600 MW |
| Aliases | Proposed CyrusOne Data Center |
| Project profile | 3 rows |
|---|---|
| Intent / permits | 1 rows |
| Civic / infrastructure | 0 rows |
The county page identifies both Ameren Illinois and the Rural Electric Convenience Cooperative (RECC) in the electric service arrangement, with MISO reviewing.
Key data: Ameren Illinois + Rural Electric Convenience Cooperative (RECC); MISO review
Limitation: No interconnection agreement number or large-load tariff docket published.
The county page describes a closed-loop cooling design using roughly 1,100 gallons per day per building with on-site septic for wastewater — i.e. no municipal water utility service.
Key data: Closed loop; ~1,100 gpd per building; septic
Limitation: Source of the make-up water (well vs hauled) not stated.
Zoning authority is Sangamon County Building & Zoning with the County Board approving (17-10); the Springfield-Sangamon County Regional Planning Commission also reviews. Zoning Administrator is Trustin Harrison.
Key data: Sangamon County Building & Zoning, 200 S. Ninth St Rm 234, (217) 753-6760, zoning@sangamonil.gov; Zoning Administrator Trustin Harrison; Regional Planning Commission contact Emily Prather (217) 535-3110
Limitation: The contact page publishes only the main line, not a direct number or email for Harrison.
Key data: 600 MW electrical demand; capital investment described as ~/over $500 million
Status date: Public hearing held December 3, 2025, 5:30 PM, Bank of Springfield Center; page also references March 19, 2026
Limitation: [Scope: for the 600 MW figure and the "proposed"/under-review status] The county page had not been updated to record a final vote. Secondary reporting (Sangamon Reporter, NPR Illinois) says the County Board granted the conditional use permit 17–10 on April 7, 2026 after tabling it March 23, 2026 — that approval is CORROBORATED only, and no petition number was obtainable. Acreage and address not stated.