United States βΊ Grid βΊ Interconnection queues βΊ Illinois
SOLAR Β· MISOSolar project J3878, Jefferson County
Solar project J3878, Jefferson County is a 300 MW solar request withdrawn in the MISO interconnection queue, in Jefferson County, Illinois, connecting to AMEREN ILLINOIS.
Queue statusWithdrawn / abandoned
- PlanningQueued Dec 2024 (completed)
- Withdrawn / abandonedJan 2026 (project stopped here)
- Consented (not reached)
- Construction (not reached)
- Operating (not reached)
- Closed (not reached)
Request details
- Queue ID
- J3878
- Grid region
- MISO (Midcontinent)
- Utility / transmission owner
- AMEREN ILLINOIS
- Connection point (POI)
- 7PR STATE - 7MTVERNW 345.0kV
- Location
- Jefferson County, Illinois
- Technology
- Solar: 300 MW
- Total requested
- 300 MW
- Service type
- Network resource (NRIS)
- Queue status
- Withdrawn
- Entered queue
- 19 December 2024
- Proposed online date
- June 2029
- Withdrawn
- January 2026
Location
Marker shows the centre of Jefferson County; the queue data does not give exact sites.
Other requests in Jefferson County
- Solar project J1241, Jefferson CountySolar Β· 200 MW Β· agreement signed
- Battery storage project J3031, Jefferson CountyBattery storage Β· 200 MW Β· in study
- Solar project J3847, Jefferson CountySolar Β· 200 MW Β· in study
- Battery storage project J2497, Jefferson CountyBattery storage Β· 300 MW Β· withdrawn
- Battery storage project J1655, Jefferson CountyBattery storage Β· 50.0 MW Β· withdrawn
Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem