MC Solar I
50 MW generation in Mercer, PA · In queue since March 2019 · Proposed COD January 2027
50 MW
Capacity
1
Components
Solar
7 years
In Queue
IA Executed
IA Status
COD target: 2027
Total Duration
7y 10m
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: 2027-01-29
State
PA
County
Mercer
Region
PJM
Developer
—
Utility
ATSI
Entity
PJM
Point of Interconnection
Maysville 69 kV
Data Source
LBNL + Live
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Last updated 2026-03-26