MISO-J3063
143 MW storage in Perry, IL · In queue since September 2022 · Proposed COD October 2026
143 MW
Capacity
1
Components
Battery
3y 8m
In Queue
Cluster Study
IA Status
COD target: 2026
Total Duration
4y 1m
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: 2026-10-20
MISO-J3063 is a proposed battery storage project located in Perry County, Illinois, within the Midcontinent Independent System Operator (MISO) region. The development project, with a total capacity of 143 MW, consists entirely of battery storage. Ameren Illinois is the utility associated with the project.
The project entered the MISO interconnection queue on September 15, 2022, and has a proposed commercial operation date of October 20, 2026. Its interconnection status is currently in the Cluster Study phase. The point of interconnection (POI) is the Commodore - Jordan 345 kV MTEP Project 20465.
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
Commodore - Jordan 345 kV MTEP Project 20465
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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