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139.4 MW Wind operating in Somerset, PA — PJM Interconnection, LLC
139.4 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2012
Operating Since
Coordinates
39.7682, -78.8685
County
Somerset, 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 | Exus Pennsylvania Wind Holdings | Longroad Energy | — |
| Owner(s) | Exus Pennsylvania Wind Holdings | Exus Management Partners (Exus) | — |
| Status | Operating | operating | — |
GEM identifies the owner as Exus Management Partners (Exus)
This entity is not yet in the GEM ownership database — chain unavailable.
Twin Ridges Wind Farm is a 139.4 MW wind power plant located in Somerset County, Pennsylvania. The facility commenced operations in 2012 and is operated by Exus Pennsylvania Wind Holdings. The plant utilizes onshore wind turbine technology and consists of a single generator. It is interconnected to the PJM Interconnection, LLC balancing authority within the RFC NERC region.
The wind farm's turbines have a hub height of 98.5 meters and a rotor diameter of 92.5 meters. The turbines were manufactured by REpower and are model MM92. In its most recent year of operation, Twin Ridges Wind Farm generated 273,905 MWh of electricity, achieving a capacity factor of 22.4%. The plant is ranked as the second largest of five wind farms in Pennsylvania, and 558th out of 734 wind farms nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
47.6K MWh
Latest Month
273.9K MWh
Annual Generation
22.4%
Capacity Factor
2013
$1,895/kW
Est. Construction Cost
Total estimated cost: $264.2M
Market Position
ISO/RTO Market
PJM
LMP Node
TWINRIDG34.5 KV TWNRDGWF
Pricing Hub
WESTERN HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-26
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ask pi about Twin Ridges Wind FarmPJM Interconnection, LLC (PJM)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP