Mark Center Solar Project
60 MW generation in Defiance, OH · In queue since March 2019 · Proposed COD September 2026
60 MW
Capacity
1
Components
Solar
7y 2m
In Queue
IA Executed
IA Status
COD target: 2026
Total Duration
7y 6m
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: 2026-09-30
The Mark Center Solar Project is a proposed 60 MW solar generation project located in Defiance County, Ohio. The project is interconnected within the PJM Interconnection queue as entry PJM-AE2-322, with a queue entry date of March 30, 2019, and a proposed commercial operation date of September 30, 2026. The interconnection agreement (IA) has been executed.
The proposed project is linked to the existing Mark Center Solar Project operating plant (EIA ID 65050). The project has been mentioned in recent news coverage.
Generated from interconnection queue and public data sources
State
OH
County
Defiance
Grid Region
PJM Interconnection
Market
ISO/RTO Member
Developer
—
Utility
AEP
Entity
PJM
Service Type
—
Point of Interconnection
Mark Center 69 kV
Data Source
LBNL + Live
- ISO / RTO
- PJM
- Trading Hub
- AEP-DAYTON HUB
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- MARKCENT 69 KV COOP
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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