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65 MW Solar operating in Northumberland, PA — PJM Interconnection, LLC
65 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2025
Operating Since
Coordinates
40.9872, -76.8340
County
Northumberland, PA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Northumberland Solar, LLC | Northumberland Solar LLC | — |
| Owner(s) | Northumberland Solar, LLC | Northumberland Solar LLC | — |
| Status | Operating | operating | — |
GEM identifies the owner as Northumberland Solar LLC
This entity is not yet in the GEM ownership database — chain unavailable.
Northumberland Solar is a 65 MW solar photovoltaic power plant located in Northumberland County, Pennsylvania. The plant, owned and operated by Northumberland Solar, LLC, commenced operations in 2025. It consists of a single generator utilizing fixed-tilt solar tracking technology. The plant's primary fuel source is solar energy (SUN).
Northumberland Solar operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. In its latest year of operation, the plant generated 31,002 MWh of electricity, achieving a capacity factor of 10.8%. Northumberland Solar ranks as the 16th largest solar plant in Pennsylvania out of 87, and nationally it ranks 1028 out of 7108 solar plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
2.1K MWh
Latest Month
31.0K MWh
Annual Generation
10.8%
Capacity Factor
2023
$2,584/kW
Est. Construction Cost
Total estimated cost: $168.0M
Point of Interconnection
Nearest Substation
Milton Substation · 230 kV
Substation Distance
0.701 km
Operator
PPL
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
MILTON 69 KV NUMBERSP
Pricing Hub
WESTERN HUB
Location Type
Generation Node
Node Source
Curated node match
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ask pi about Northumberland SolarPJM Interconnection, LLC (PJM)
Grid Voltage
69.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP