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651.6 MW Natural Gas operating in Northampton, PA — PJM Interconnection, LLC
651.6 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2004
Operating Since
Coordinates
40.8019, -75.1076
County
Northampton, PA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Lower Mount Bethel Energy LLC | Lower Mount Bethel Project Co | — |
| Owner(s) | Lower Mount Bethel Project Company LLC | Lower Mount Bethel Project Co | — |
| Status | Operating | — | — |
Lower Mount Bethel Energy is a 651.6 MW natural gas-fired combined cycle power plant located in Northampton County, Pennsylvania. The plant began operating in 2004 and is owned and operated by Lower Mount Bethel Energy LLC. It consists of three generators utilizing natural gas as its primary fuel source.
The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. In the most recent year with available data, Lower Mount Bethel Energy generated 4,484,858 MWh of electricity, achieving a capacity factor of 78.7%. Based on total capacity, Lower Mount Bethel Energy ranks as the 22nd largest power plant in Pennsylvania out of 35 plants, and 358th nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
400.6K MWh
Latest Month
4.5M MWh
Annual Generation
78.7%
Capacity Factor
CO₂ Intensity
832 lb/MWh
NOx
0.056 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.016 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
76.9%
Annual Net Gen
4392 GWh
CO₂eq
833 lb/MWh
Subregion
RFC East
2013
$965/kW
Est. Construction Cost
Total estimated cost: $628.9M
Point of Interconnection
Nearest Substation
Martins Creek Substation · 230 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
31020653
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
Last updated 2026-04-09
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