MISO-J2379
200 MW storage in Clay, IL · In queue since September 2022 · Proposed COD November 2026
200 MW
Capacity
1
Components
Battery
3y 8m
In Queue
Cluster Study
IA Status
COD target: 2026
Total Duration
4y 2m
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: 2026-11-01
MISO-J2379 is a proposed 200 MW battery storage project located in Clay County, Illinois. The project is in the Midcontinent Independent System Operator (MISO) interconnection queue, having entered on September 14, 2022. The proposed commercial operation date is November 1, 2026. Ameren Illinois is the utility associated with the project, which is currently in the Cluster Study phase of the interconnection process. The point of interconnection is the Xenia 345kV Substation.
The development project consists of a single 200 MW battery component. The interconnection entity is MISO. The project is listed as active in the interconnection queue.
Generated from interconnection queue and public data sources
State
IL
County
Clay
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
—
Point of Interconnection
Xenia 345kV 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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