Three Mile Island 230 kV
859 MW generation in Dauphin, PA · In queue since April 2025
859 MW
Capacity
0
Components
1y 1m
In Queue
—
IA Status
Total Duration
1y 1m
Interconnection request submitted to ISO/RTO
PJM processes interconnection requests through multi-phase System Impact Studies (SIS).
Typical: ~48 months (historically longest)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Commercial operation date not yet determined
The proposed Three Mile Island 230 kV project is an 859 MW nuclear generation project located in Dauphin County, Pennsylvania. The project is listed in the PJM interconnection queue as entry PJM-AH1-695, though it has been moved to TC2. The queue entry date is April 3, 2025.
The project is currently listed as active in the queue. It is linked to an existing operating plant, and has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
PA
County
Dauphin
Grid Region
PJM Interconnection
Market
ISO/RTO Member
Developer
—
Utility
ME
Entity
PJM
Service Type
Generation Interconnection
Data Source
Live · PJM
- ISO / RTO
- PJM
- Trading Hub
- WESTERN 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.
Last updated 2026-03-14
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