Monarch Rock Air Data Center Campus (Rockford)
1.4 GW AI data center in Rockford, IL, United States — announced.
- Capacity: 1.4 GW
- Location: Rockford, IL, United States
- Developer: Monarch Energy
- Status: announced
- Estimated cost: $12.0B
Monarch Rock Air Data Center Campus (Rockford) is a 1.4 GW AI data center project located in Rockford, IL, United States, currently announced. It is being built by Monarch Energy. The estimated build cost is $12.0B. This project is one of thousands of data-center facilities tracked by Data Center Index across IL, United States — covering operational, under-construction, announced, and permitted sites.
Project description
Monarch Rock Air LLC (tied to California-based Monarch Energy) signed a state Data Center Investment Program MOU in June 2026 for a 1,400 MW phased data center campus with on-site generation on ~1,300 acres along Friday Road on Rockford's south edge, reported at ~$12B; no city approval yet and the end-user tenant is unidentified.
Related data center projects
- Project Matador (Fermi America HyperGrid) — 17.0 GW, Amarillo, TX, United States · under construction
- PORTS Technology Campus (Piketon) — 10.0 GW, Piketon, OH, United States · under construction
- Creekstone Delta Gigasite — 10.0 GW, Delta, UT, United States · permitted
- Stratos Hyperscale Data Center — 9.0 GW, Hansel Valley, UT, United States · permitted
- Nexus Hubbard Campus — 7.2 GW, Hubbard, TX, United States · under construction
- Data City Texas — 5.0 GW, Laredo, TX, United States · announced
- Homer City Energy Campus — 4.5 GW, Homer City, PA, United States · under construction
- DCIP Group DeSoto County AI Data Center Campus — 4.0 GW, Arcadia, FL, United States · permitted