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1153 MW Natural Gas operating in Northampton, PA — PJM Interconnection, LLC
1,153 MW
Nameplate Capacity
8
Generators
units
Natural Gas Fired Combined Cycle
Technology
2002
Operating Since
Coordinates
40.6175, -75.3147
County
Northampton, PA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Calpine Bethlehem LLC | Calpine Bethlehem | — |
| Owner(s) | Calpine Bethlehem LLC | Constellation Energy | — |
| Status | Operating | — | — |
Bethlehem Power Plant is a natural gas-fired combined cycle power plant located in Northampton County, Pennsylvania. The plant has a total capacity of 1153 MW distributed across 8 generators. It began operating in 2002 and is owned by Constellation Energy. The operator listed with the EIA is Calpine Bethlehem LLC.
The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. In the most recent year of data, Bethlehem Power Plant generated 5,821,151 MWh of electricity, achieving a capacity factor of 57.8%. Bethlehem Power Plant is ranked as the 9th largest power plant out of 35 in Pennsylvania, and 126th out of 945 nationally.
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
500.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
567.7K MWh
Latest Month
5.8M MWh
Annual Generation
57.8%
Capacity Factor
CO₂ Intensity
970 lb/MWh
NOx
0.046 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.018 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
59.3%
Annual Net Gen
5991 GWh
CO₂eq
971 lb/MWh
Subregion
RFC East
2013
$965/kW
Est. Construction Cost
Total estimated cost: $1.1B
Market Position
ISO/RTO Market
PJM
LMP Node
32947157
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
Last updated 2026-03-26
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