MISO-J3012
287 MW generation in Coles, IL · In queue since September 2022 · Proposed COD November 2026
287 MW
Capacity
1
Components
Solar
3y 8m
In Queue
Cluster Study
IA Status
COD target: 2026
Total Duration
4y 2m
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: 2026-11-01
The proposed MISO-J3012 project is a 287 MW solar generation project located in Coles County, Illinois. Interconnection to the Ameren Illinois grid is planned at the Mattoon East 138 kV point of interconnection. The project entered the MISO interconnection queue on September 14, 2022, and has a proposed commercial operation date of November 1, 2026. Its interconnection status is currently in the Cluster Study phase.
The development project consists of 287 MW of solar photovoltaic generation capacity. The project is located within the Midcontinent Independent System Operator (MISO) region.
Generated from interconnection queue and public data sources
State
IL
County
Coles
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
—
Point of Interconnection
Mattoon East 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.
No ask pi reports yet for this entity.
ask pi about Project MISO-J3012
