MISO-J3074
250 MW generation in Randolph, IL · In queue since September 2022 · Proposed COD August 2025
250 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: 2025-08-31
MISO-J3074 is a proposed solar generation project with a total capacity of 250 MW, located in Randolph County, Illinois. The project is in the Midcontinent Independent System Operator (MISO) interconnection queue, with an entry date of September 15, 2022. The proposed commercial operation date is August 31, 2025. The interconnecting utility is Ameren Illinois. Its interconnection status is currently in the Cluster Study phase.
The development project consists of 250 MW of solar photovoltaic generation. It is located at the point of interconnection (POI) Prest-Steeleville within the Ameren Illinois service area.
Generated from interconnection queue and public data sources
State
IL
County
Randolph
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
—
Point of Interconnection
Prest-Steeleville
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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