Mammoth Central Energy Center
300 MW generation in Pulaski, IN · In queue since March 2020 · Proposed COD February 2027
300 MW
Capacity
1
Components
Solar
6y 2m
In Queue
IA Executed
IA Status
COD target: 2027
Total Duration
6y 11m
Interconnection request submitted to ISO/RTO
PJM processes interconnection requests through multi-phase System Impact Studies (SIS).
Typical: ~48 months (historically longest)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 12–24 months
Proposed COD: 2027-02-09
The proposed Mammoth Central Energy Center is a 300 MW solar generation project located in Pulaski County, Indiana. The project, developed by AEP, is in the PJM interconnection queue as entry PJM-AF2-132, with a queue entry date of March 4, 2020, and a proposed commercial operation date of February 9, 2027. The project's interconnection agreement has been executed.
The Mammoth Central Energy Center is linked to the existing Mammoth Central II Solar Facility (EIA plant ID 68514). The development has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
State
IN
County
Pulaski
Grid Region
PJM Interconnection
Market
ISO/RTO Member
Developer
—
Utility
AEP
Entity
PJM
Service Type
—
Point of Interconnection
Reynolds-Olive #1 345 kV
Data Source
LBNL + Live
- ISO / RTO
- PJM
- Trading Hub
- N ILLINOIS HUB
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- Olive 345 kV
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 2026-03-26
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