MISO-S1131
200 MW storage in Perry, IL · In queue since November 2025
200 MW
Capacity
0
Components
6 months
In Queue
—
IA Status
Total Duration
6 months
Interconnection request submitted to ISO/RTO
MISO uses the Definitive Planning Phase (DPP) process with 3 study phases.
Typical: 30–40 months (historical); 12 months target
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Commercial operation date not yet determined
MISO-S1131 is a proposed 200 MW battery storage project located in Perry County, Illinois. The project is in the MISO interconnection queue, having entered on November 11, 2025. Ameren Illinois is the utility associated with the project.
The project's interconnection service type is SIS (System Impact Study). It is currently listed as active in the queue, and its point of interconnection (POI) is the 7JORD - 7CMDR 345.0kV line.
Generated from interconnection queue and public data sources
State
IL
County
Perry
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
SIS
Point of Interconnection
7JORD - 7CMDR 345.0kV
Data Source
Live · MISO
- ISO / RTO
- MISO
- Trading Hub
- ILLINOIS.HUB
- Hub Confidence
- MEDIUM
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
No ask pi reports yet for this entity.
ask pi about Project MISO-S1131
