MISO-S1103
100 MW storage in Perry, IL · In queue since June 2025
100 MW
Capacity
0
Components
11 months
In Queue
—
IA Status
Total Duration
11 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-S1103 is a proposed 100 MW battery storage project located in Perry County, Illinois. The project, which is interconnected to Ameren Illinois via the Aster 138kV Station, entered the MISO interconnection queue on June 17, 2025.
The project is currently listed as active in the MISO queue. No proposed commercial operation date or interconnection agreement (IA) status is available.
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
—
Point of Interconnection
Aster 138kV Station
Data Source
Live · MISO
- ISO / RTO
- MISO
- Trading Hub
- ILLINOIS.HUB
- Hub Confidence
- HIGH
- POI Substation
- Aster Substation
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.
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