MISO-J2551
110 MW storage in Putnam, IL · In queue since September 2022 · Proposed COD June 2026
110 MW
Capacity
1
Components
Battery
3y 8m
In Queue
Cluster Study
IA Status
COD target: 2026
Total Duration
3y 9m
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: 2026-06-18
MISO-J2551 is a proposed 110 MW battery storage project located in Putnam County, Illinois. The project, which consists of a single 110 MW battery component, is in the MISO interconnection queue as of September 14, 2022, with a proposed commercial operation date of June 18, 2026. The project's interconnection point is the Putnam 138kV Substation, MTEP20 Project ID 13709, and its interconnection status is currently in the Cluster Study phase.
The project is within the Ameren Illinois utility service area. The developer is not specified in the queue data.
Generated from interconnection queue and public data sources
State
IL
County
Putnam
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
—
Point of Interconnection
Putnam 138kV Substation, MTEP20 Project ID 13709
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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