MISO-J3003
180 MW hybrid in Mason, IL · In queue since September 2022 · Proposed COD August 2025
180 MW
Capacity
1
Components
Solar
3y 8m
In Queue
Cluster Study
IA Status
COD target: 2025
Total Duration
2y 11m
Schedule
8 months past proposed COD
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: 2025-08-30
MISO-J3003 is a proposed 180 MW hybrid solar and battery project located in Mason County, Illinois. The project, which consists of 180 MW of solar capacity, is in the MISO interconnection queue as of September 15, 2022, with a proposed commercial operation date of August 30, 2025. The interconnecting utility is Ameren Illinois.
The project's interconnection status is currently in the Cluster Study phase. The point of interconnection is the 4Havana2-4Cincinnati 138kV line.
Generated from interconnection queue and public data sources
State
IL
County
Mason
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
—
Point of Interconnection
4Havana2-4Cincinnati 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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