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BATTERY STORAGE · MISOSurplus
Surplus is a 100 MW battery storage request in interconnection study in the MISO interconnection queue, in Fayette County, Illinois, connecting to AMEREN ILLINOIS.
Queue statusIn planning
- PlanningQueued Jul 2025 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Jun 2026 (not yet reached)
- Closed (not yet reached)
Studies assess what grid upgrades the project would need and who pays for them. A signed interconnection agreement is the main step before construction.
Request details
- Queue ID
- S1104
- Grid region
- MISO (Midcontinent)
- Utility / transmission owner
- AMEREN ILLINOIS
- Connection point (POI)
- Ramsey
- Location
- Fayette County, Illinois
- Technology
- Battery: 100 MW
- Total requested
- 100 MW
- Queue status
- Active
- Entered queue
- 28 July 2025
- Proposed online date
- June 2026
Location
Marker shows the centre of Fayette County; the queue data does not give exact sites.
Other requests in Fayette County
- Solar project J3805, Fayette CountySolar · 250 MW · in study
- Solar project J1626, Fayette CountySolar · 150 MW · in study
- Solar project J3687, Fayette CountySolar · 113 MW · in study
- Solar project J1714, Fayette CountySolar · 100 MW · in study
- Solar project J2808, Fayette CountySolar · 100 MW · in study
- Battery storage project J2195, Fayette CountyBattery storage · 100 MW · in study
- Solar project J2794, Fayette CountySolar · 90.0 MW · in study
- Onshore wind project J3976, Fayette CountyOnshore wind · 66.8 MW · in study
- Solar project J811, Fayette CountySolar · 99.0 MW · built
- Solar + storage project J2476, Fayette CountySolar + storage · 150 MW · withdrawn
- Surplus; J811Other · 99.0 MW · withdrawn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