MISO-J3316
200 MW storage in Washington, IL · In queue since May 2024 · Proposed COD September 2028
200 MW
Capacity
1
Components
Battery
2 years
In Queue
—
IA Status
COD target: 2028
Total Duration
4y 4m
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: 2028-09-01
MISO-J3316 is a proposed 200 MW battery storage project located in Washington County, Illinois. The project, which is in the Midcontinent Independent System Operator (MISO) interconnection queue, entered the queue on May 6, 2024, and has a proposed commercial operation date of September 1, 2028. Ameren Illinois is the utility associated with the project's point of interconnection, named Okawville 138kV.
The development project consists solely of battery storage, with a total capacity of 200 MW. As of the latest data, the project is listed as active in the MISO queue.
Generated from interconnection queue and public data sources
State
IL
County
Washington
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
—
Point of Interconnection
Okawville 138kV.
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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