MISO-S1077
150 MW storage in St. Clair, IL · In queue since January 2025
150 MW
Capacity
0
Components
1y 4m
In Queue
—
IA Status
Total Duration
1y 4m
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-S1077 is a proposed 150 MW battery storage project located in St. Clair County, Illinois. The project is in the MISO interconnection queue, having entered on January 13, 2025. Ameren Illinois is the utility associated with the project, which is currently listed as active in the queue. The point of interconnection is Fayetteville Bee Hollow Road, and the service type is SIS (System Impact Study).
The development project is sponsored by an unknown developer. It is designed as a standalone storage facility, utilizing battery storage technology. The project has appeared in recent news coverage regarding energy storage development in the region.
Generated from interconnection queue and public data sources
State
IL
County
St. Clair
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
SIS
Point of Interconnection
Fayetteville Bee Hollow Road
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.
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