MISO-J4010
21 MW generation in De Witt, IL · In queue since April 2025
21 MW
Capacity
0
Components
1y 1m
In Queue
—
IA Status
Total Duration
1y 1m
Study Phase
Phase 1
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)
Commercial operation date not yet determined
MISO-J4010 is a proposed 21 MW nuclear generation project located in De Witt County, Illinois. The project is in the Midcontinent Independent System Operator (MISO) interconnection queue, having entered the queue on April 30, 2025. Ameren Illinois is the utility associated with the project, which is currently in Phase 1 of the interconnection study process and seeks Network Resource Interconnection Service (NRIS).
The proposed project intends to interconnect to the Clinton 345kV Substation. Its interconnection status is listed as active.
Generated from interconnection queue and public data sources
State
IL
County
De Witt
Grid Region
MISO (Midcontinent)
Market
ISO/RTO Member
Developer
—
Utility
AMEREN ILLINOIS
Entity
MISO
Service Type
NRIS
Point of Interconnection
Clinton 345kV Substation
Data Source
Live · MISO
- ISO / RTO
- MISO
- Trading Hub
- ILLINOIS.HUB
- Hub Confidence
- HIGH
- POI Substation
- Clinton Substation
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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