Bethlehem Power Plant
Northampton County
Overview
- Reported capacity
- 1,153 MW
- EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
- Technology
- Natural Gas Fired Combined Cycle
- Primary generation technology.
- Registry anchor
- Plant 55690
- Northampton County · PJM
- Operating status
- Operating
- Bethlehem Power Plant is operating.
Infrastructure record
- Operator
- Calpine Bethlehem LLC
- Alternate name
- Calpine Bethlehem Energy Center
- Mapped facility footprint
- Mapped infrastructure footprint
Mapped infrastructure geometry associated with this asset.
- In service
- 2002-12
Profile
- Grid role
- Dispatchable generation resource used to support PJM reliability and increased demand during system emergencies and cold-weather peaks.
- Physical build
- The 1,153 MW Bethlehem Power Plant is a dual-fuel combined-cycle facility consisting of two blocks. Each block has three 127 MW Siemens SGT6-2000E gas turbines, one 195.5 MW GE Power steam turbine, and three HRSGs, for six gas turbines, two steam turbines, and six HRSGs total. EIA associations identify HRSG1, HRSG2, HRSG3, HRSG5, HRSG6, and HRSG7; Nooter/Eriksen supplied the plant's steam-boiler/HRSG equipment.
- Financing
- No plant-specific project-financing or construction-debt amount is disclosed; the project profile lists project financing companies as N/A.
Structured profile
- Reported capacity
- 1,153 MW
Natural Gas Fired Combined Cycle
- Operating status
- operating
Bethlehem Power Plant is operating.
- Location
- Northampton County
PJM
- Asset role
- natural gas
PJM · Northampton County
Generation and physical site
EIA plant 55690 · Inventory for Sep 2026.
Reported operating nameplate by technology
- Natural gas
- 1,153 MW
Generator records (8)
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | Operating | 127 | Unknown |
| CTG2 | Natural Gas Fired Combined Cycle | Operating | 127 | Unknown |
| CTG3 | Natural Gas Fired Combined Cycle | Operating | 127 | Unknown |
| CTG5 | Natural Gas Fired Combined Cycle | Operating | 127 | Unknown |
| CTG6 | Natural Gas Fired Combined Cycle |
Related assets
Similar plants ranked by technology, capacity, and distance.
Units and generators
Current generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| CTG1 | 127 MW 125 MW summer | Natural Gas Fired Combined Cycle CT | Dec 2002 | Operating |
| CTG2 | 127 MW 125 MW summer | Natural Gas Fired Combined Cycle CT | Dec 2002 | Operating |
| CTG3 | 127 MW 125 MW summer | Natural Gas Fired Combined Cycle CT | Dec 2002 | Operating |
| CTG5 | 127 MW 125 MW summer | Natural Gas Fired Combined Cycle CT | Jan 2003 | Operating |
| CTG6 | 127 MW | |||
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 1,153 MW
- Natural Gas Fired Combined Cycle
- National rank
- #71
- of 540 operating peers
- PA rank
- #5
- of 26 operating peers
Monthly generation
Download CSVLatest 12 months
5.89 TWh
Reported net generation
Latest report
Jul 2026
EIA-923 monthly filing
2025 capacity factor
57.6%
Using current reported nameplate capacity
Grid and market context
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Commercial, land, and environmental record
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Land and environmental record
Emissions Controls And Cooling
Jun 18, 2026
Six combustion turbines, two cooling towers, two distillate-fuel storage tanks, one diesel-fired emergency generator, and selective catalytic reduction controls
The 2026 Title V permit inventories six combustion turbines, two cooling towers, two distillate-fuel storage tanks, and an emergency diesel generator. The Pennsylvania Bulletin describes the six turbines as controlled by selective catalytic reduction units; the permit imposes ammonia-slip limits on SCR systems.
Environmental Compliance Milestone
Apr 23, 2018
Closed Clean Air Act penalty docket CAA-03-2018-0059
EPA records identify a Clean Air Act penalty matter for Calpine Bethlehem LLC, filed April 18, 2018 and closed April 23, 2018 with payment received. The record does not state the penalty amount or describe a continuing unresolved compliance obligation.
Historical Wastewater Permit
Mar 1, 2013
NPDES Permit No. PA0064122-A1, effective March 1, 2013, expired February 28, 2018
Pennsylvania DEP NPDES permit authorized Calpine Bethlehem LLC to discharge from Bethlehem Energy Center in Northampton County. Effective March 1, 2013 and expired February 28, 2018. The gathered evidence did not establish a later replacement permit number.
Permitted Emission Limits
Jun 18, 2026
Site-level permitted emission limits: NOx 171.46, CO 100.54, VOC 43.69, PM10 92.41, PM2.5 58.61, SO2 49.13, ammonia 444.50, sulfuric acid 46.10, and TSP 92.41
These are the site emission-restriction-summary values reported in the 2026 Title V permit in tons per year. The permit requires continuous or periodic monitoring for NOx, CO, diluent gas, ammonia, fuel use, operating hours, and other pollutants.
Site Acreage
31.79-acre lot
Property record for 2254 Applebutter Road reports a 31.79-acre lot and 56,516-square-foot building. No parcel identification number or deed owner confirmed; reported as site acreage rather than confirmed ownership acreage.
Title V Air Permit
Jun 18, 2026
Pennsylvania Title V/State Operating Permit No. 48-00076
DEP-issued permit for Calpine Bethlehem LLC at 2254 Applebutter Road, Bethlehem, PA 18015-6000. Issued June 18, 2026 and expires August 10, 2031. Pennsylvania Bulletin notice separately reports July 7, 2026 and July 6, 2031; the permit PDF is treated as the controlling record.
Related parties and identifiers
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Relationship graph
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AssetOwner / operator
Parties and identifiers
Reporting portfolio
EIA reporting entity
Calpine Bethlehem LLC
Entity 56607
Operating portfolio
1 plants
1 states
Timeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Generators enter operationEIA-860
EIA-860 lists generator CTG1, generator CTG2, generator CTG3 with this operating date.