Rock Air Data Center Campus
Monarch Energy has proposed a 1400 MW data center in Winnebago County, Illinois (proposed). One source reports this facility in the Kapwork Grow tracker.
- Capacity
- 1400 MW
- Site
- 1,300 acres
- Reported jobs
- 100
Who's on this build
Named in the cited sources. No source reports who builds it.
Operator
Monarch Energy
Timeline
Dates as reported. Not a bid calendar. A planned date is not evidence that work occurred.
- Today
Proposed
Last material change Sep 24, 2026.
- 16 days ago
Event date: · First observed: Not reported
- 3 mo ago
Announced
Reported updates without an event date
Reported for 2026-06.
Event date: Not reported · First observed: Not reported
Record quality
- Datasets
- 1
- Location
- Street address reported
- Summary
- From published records
- Source as of
- Last material change
Site and infrastructure
CA Compute AtlasKW Kapwork Grow tracker record
Status
- Operator
- Monarch Energy
- Stage
- Proposed
- Facility type
- Enterprise
Scale
- Reported capacity
- 1400 MW
- Site area
- 1,300 acres
- Reported jobs
- 100
Reported dates
- Announced
- 2026-06
Site
- City
- Rockford
- County
- Winnebago
- State
- Illinois
- Location precision
- Street address reported
Permits and public records
- Incentives reported
- Illinois Data Center Investment Program (Illinois)
Sources, method and limits
Show 3 sourcesHide
What each source reports
| Dataset | Reported name | Reported status | Reported MW |
|---|---|---|---|
| Compute Atlas | Rock Air Data Center Campus | Proposed | 1400 MW |
Sources and evidence
- CACompute Atlas facility record (Kubiak, E., 2026, CC BY 4.0)As of: Sep 12, 2026 · Record: monarch-rock-air-rockford-il
- CARockford News First (cited by Compute Atlas)As of: Sep 12, 2026
- CAdcmap.us (cited by Compute Atlas)As of: Sep 12, 2026
- KWKapwork Grow tracker record, merged from the sources listed here (free account)As of: Sep 23, 2026 · Record: 75125825356610
Limitations and interpretation
- This record is the Kapwork Grow tracker's merged view of a facility, from the tracker snapshot built 2026-09-23. Facts tagged KW are the tracker's resolved values; the per-source rows it was merged from are listed under Sources and on the tracker record.
- Sources on this record: Compute Atlas: Kubiak, E. (2026). Compute Atlas [Data set]. https://doi.org/10.5281/zenodo.22284476 (CC BY 4.0). Every source is licensed for commercial use with attribution.
- An announced or permitted build is not a contract, an open bid or a purchase order.
- Capacity figures are as reported by the cited sources and may describe planned rather than energised capacity.
Cite or correct this record
Kapwork Grow, “Rock Air Data Center Campus”, https://kapwork.com/grow/directory/datacenters/rock-air-data-center-campus-il-dc_445398224342, materially updated Sep 24, 2026.
Report an error in this record and we will check it against the cited sources.
An announced or permitted build is not a contract, an open bid or a purchase order. Capacity and dates are as reported by the cited sources. “Not reported” means missing information, not zero. Completed and withdrawn records can remain available as historical records.
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