MISO-J3224
150 MW hybrid in Marion, IL · In queue since September 2022 · Proposed COD August 2026
150 MW
Capacity
1
Components
Solar
3y 8m
In Queue
Cluster Study
IA Status
COD target: 2026
Total Duration
3y 11m
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: 2026-08-01
MISO-J3224 is a proposed hybrid solar and battery project located in Marion County, Illinois, within the Ameren Illinois service area. The project, with a total capacity of 150 MW, consists of 150 MW of solar generation. It is currently active in the MISO interconnection queue, with an entry date of September 15, 2022, and a proposed commercial operation date of August 1, 2026. The interconnection status is currently in the Cluster Study phase.
The proposed project is located within the MISO region and is interconnected at the 4KINMUNDY-4TANNER 138kV point of interconnection. Recent news coverage has discussed the development of solar and battery projects in the MISO region, including projects similar to MISO-J3224.
Generated from interconnection queue and public data sources
State
IL
County
Marion
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
—
Point of Interconnection
4KINMUNDY-4TANNER 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.
No ask pi reports yet for this entity.
ask pi about Project MISO-J3224
