20 MW Solar operating in Northumberland, PA — PJM Interconnection, LLC
20 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2024
Operating Since
Coordinates
40.9888, -76.7929
County
Northumberland, PA
Nearby Plants
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Lightsource Renewable Energy Asset Management, LLC | Lightsource Renewable Energy | — |
| Owner(s) | Cottontail Solar 4, LLC | Lightsource BP [100%] | — |
| Status | Operating | operating | — |
GEM identifies the owner as Lightsource BP [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
Cottontail Solar 4 is a 20 MW solar photovoltaic power plant located in Northumberland County, Pennsylvania. The plant, which began operating in 2024, utilizes single-axis tracking technology to maximize solar energy capture. It is owned and operated by Lightsource Renewable Energy Asset Management, LLC. Cottontail Solar 4 is connected to the PJM Interconnection, LLC balancing authority and is situated within the RFC NERC region.
In its most recent year of operation, Cottontail Solar 4 generated 9,984 MWh of electricity, resulting in a capacity factor of 5.7%. The plant is the 27th largest solar facility in Pennsylvania out of 87, and ranks 1528th nationally out of 7108 solar plants. Financial data is available for the plant from LBNL Solar.
Generated from EIA, GEM, and public data sources
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
69 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
1.2K MWh
Latest Month
10.0K MWh
Annual Generation
5.7%
Capacity Factor
$47.4/MWh
LCOE (Levelized Cost)
Point of Interconnection
Nearest Substation
Milton Substation · 230 kV
Substation Distance
3.419 km
Operator
PPL
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
MILTON 69 KV COTTO3SP
Pricing Hub
WESTERN HUB
Location Type
Generation Node
Node Source
Curated node match
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Last updated 2026-03-14
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