Hardin Energy Center _x0013_ Storage II
55 MW storage in Hardin, OH · In queue since March 2019 · Proposed COD December 2026
55 MW
Capacity
1
Components
Battery
7y 2m
In Queue
IA Executed
IA Status
COD target: 2026
Total Duration
7y 9m
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)
Construction pending
Typical: 6–18 months
Proposed COD: 2026-12-31
The Hardin Energy Center Storage II project is a proposed 55 MW battery storage project located in Hardin County, Ohio. The project is in the PJM interconnection queue as entry AE2-216, with a queue entry date of March 21, 2019, and a proposed commercial operation date of December 31, 2026. The project's interconnection agreement has been executed.
The project is interconnected to the Hardin Switch 345 kV. The designated utility is AEP, and the project's status in the interconnection queue is currently suspended.
Generated from interconnection queue and public data sources
State
OH
County
Hardin
Grid Region
PJM Interconnection
Market
ISO/RTO Member
Developer
—
Utility
AEP
Entity
PJM
Service Type
—
Point of Interconnection
Hardin Switch 345 kV
Data Source
LBNL + Live
- ISO / RTO
- PJM
- Trading Hub
- AEP-DAYTON 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.
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