Monarch Rockford Data Center Campus

This data-center project in Rockford, IL remains in a contested or otherwise unresolved stage. Public sources identify Monarch Rock Air as the operator or developer.

IllinoisFacility location

Power1,400 MW

Operator / developerMonarch Rock Air

Site / phaseContested

UtilityComEd TSA canceled; associated generation remains part of the reported concept

Hotlist signal history

1 reviewed change

Sep 4, 2026 · powerMonarch's Rockford power path resets

ComEd and Monarch Rock Air terminated the transmission service agreement that had supported the proposed Rockford campus. Monarch told local media the change will delay rather than end the project, but the company now needs a revised route to large-scale electric service.

Location note: The map marker represents the publicly identified area rather than a confirmed parcel.

Monarch Rockford Data Center Campus

Hotlist signal history

Know what changed—and why it matters.