MISO-J2647
300 MW storage in Franklin, IL · In queue since September 2022 · Proposed COD January 2026
300 MW
Capacity
1
Components
Battery
3y 8m
In Queue
Cluster Study
IA Status
COD target: 2026
Total Duration
3y 4m
Schedule
4 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: 2026-01-02
MISO-J2647 is a proposed 300 MW battery storage project located in Franklin County, Illinois. The project, interconnecting with Ameren Illinois, entered the MISO interconnection queue on September 14, 2022, with a proposed commercial operation date of January 2, 2026. Its interconnection status is currently in the Cluster Study phase.
The development project consists solely of battery storage, with a total capacity of 300 MW. The point of interconnection is the West Frankfort East 345 kV substation.
Generated from interconnection queue and public data sources
State
IL
County
Franklin
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
—
Point of Interconnection
West Frankfort East 345 kV (7E W FKFT)
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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