MISO-J2972
140 MW generation in Adams, IL · In queue since September 2022 · Proposed COD August 2026
140 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: 2026-08-15
MISO-J2972 is a proposed solar generation project located in Adams County, Illinois, within the Midcontinent Independent System Operator (MISO) region. The project, with a total capacity of 140 MW, consists entirely of solar photovoltaic technology. It is currently listed as active in the MISO interconnection queue, with an entry date of September 15, 2022. The proposed commercial operation date is August 15, 2026, and its interconnection agreement status is currently in the Cluster Study phase.
The project is interconnected to the Ameren Illinois utility grid at the 4Hull - 4Herleman 138 kV point of interconnection. Recent news coverage has discussed the development of solar projects in the MISO region, including projects similar to MISO-J2972.
Generated from interconnection queue and public data sources
State
IL
County
Adams
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
—
Point of Interconnection
4Hull - 4Herleman 138 kV
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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