— Project Summary

Queue ID
MISO-J2603
Capacity
320 MW
Technology
Solar
Status
active
Location
Mason, IL
Region
MISO
Developer
IA Status
Cluster Study

BetaActiveSolarMISOLBNL + Live

320 MW generation in Mason, IL · In queue since September 2022 · Proposed COD June 2026

320 MW

Capacity

1

Components

Solar

3y 6m

In Queue

Cluster Study

IA Status

COD target: 2026

Interconnection Timeline

Total Duration

3y 9m

Impact Study25%
Queue EntrySep 15, 2022

Interconnection request submitted to ISO/RTO

DPP StudyCurrent

MISO uses the Definitive Planning Phase (DPP) process with 3 study phases.

Typical: 30–40 months (historical); 12 months target

Interconnection Agreement

Interconnection agreement not yet executed

Typical: 30–60 days (negotiation)

Commercial Operation

Proposed COD: 2026-06-30

Project Details

State

IL

County

Mason

Region

MISO

Developer

Utility

AMEREN ILLINOIS

Entity

MISO

Point of Interconnection

Havana-Shockey 138 kV

Data Source

LBNL + Live

No news available for this project.