United States › Grid › Interconnection queues › Illinois
BATTERY STORAGE · MISOSurplus
Surplus is a 100 MW battery storage request in interconnection study in the MISO interconnection queue, in Perry County, Illinois, connecting to AMEREN ILLINOIS.
Queue statusIn planning
- PlanningQueued Jun 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
- S1103
- Grid region
- MISO (Midcontinent)
- Utility / transmission owner
- AMEREN ILLINOIS
- Connection point (POI)
- Aster 138kV Station
- Location
- Perry County, Illinois
- Technology
- Battery: 100 MW
- Total requested
- 100 MW
- Queue status
- Active
- Entered queue
- 17 June 2025
- Proposed online date
- June 2026
Location
Marker shows the centre of Perry County; the queue data does not give exact sites.
Other requests in Perry County
- Solar project J1306, Perry CountySolar · 200 MW · agreement signed
- Other project J2171, Perry CountyOther · 500 MW · in study
- Solar project J1712, Perry CountySolar · 300 MW · in study
- Surplus; J1712Battery storage · 200 MW · in study
- Solar project J3064, Perry CountySolar · 157 MW · in study
- Solar project J3306, Perry CountySolar · 150 MW · in study
- Battery storage project J3063, Perry CountyBattery storage · 143 MW · in study
- Solar project J1777, Perry CountySolar · 100 MW · in study
- Solar project J2626, Perry CountySolar · 300 MW · withdrawn
- Solar project J3135, Perry CountySolar · 200 MW · withdrawn
- Solar project J3060, Perry CountySolar · 200 MW · withdrawn
- Solar project J2306, Perry CountySolar · 150 MW · withdrawn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