MISO-J2998
200 MW storage in St. Clair, IL · In queue since September 2022 · Proposed COD September 2025
200 MW
Capacity
1
Components
Battery
3y 8m
In Queue
Cluster Study
IA Status
COD target: 2025
Total Duration
3 years
Schedule
8 months past proposed COD
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)
Proposed COD: 2025-09-15
MISO-J2998 is a proposed 200 MW battery storage project located in St. Clair County, Illinois. The project is in the Midcontinent Independent System Operator (MISO) interconnection queue, with an entry date of September 14, 2022, and a proposed commercial operation date of September 15, 2025. The project's interconnection status is currently in the Cluster Study phase.
The proposed project, which is being developed within the Ameren Illinois service area, consists entirely of battery storage. The point of interconnection (POI) is the Fayetteville Bee Hollow Road 138kV Substation.
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
—
Point of Interconnection
Fayetteville Bee Hollow Road 138kV Substation
Data Source
LBNL + Live
- 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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