MISO-J2267
250 MW hybrid in Williamson, IL · In queue since March 2022 · Proposed COD March 2025
250 MW
Capacity
1
Components
Solar
4y 2m
In Queue
Cluster Study
IA Status
COD target: 2025
Total Duration
3 years
Schedule
13 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: 2025-03-31
MISO-J2267 is a proposed 250 MW hybrid solar and battery project located in Williamson County, Illinois. The development project consists of 250 MW of solar capacity. It is interconnected to the Ameren Illinois utility via the 345 kV Stilleys Substation.
The project is currently in the MISO interconnection queue with an entry date of March 24, 2022. Its proposed commercial operation date is March 31, 2025, and its interconnection agreement status is listed as "Cluster Study".
Generated from interconnection queue and public data sources
State
IL
County
Williamson
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
—
Point of Interconnection
345 kV Stilleys 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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