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- Combustion
- Wind & solar
- Storage
- Loads
- Under construction
- Operating
- Size not stated
- 10 · 100 · 1,000 MW
Map
- Combustion
- Wind & solar
- Storage
- Loads
- Under construction
- Operating
- Size not stated
Sewaren: location and 21 exact-grade projects within 25 km. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Sewaren
Power plant · Gas, combined cycle
Key facts
Power plant · Gas, combined cycleran 40% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 2018
- Net generation, 2025
- 2,122,743 MWh
- Grid
- 230 kV to Public Service Elec & Gas Co (PJM)
- Location
- Middlesex County, New Jersey
Output
- Gas
- Oil
Details
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- Technology
- Gas, combined cycle source: “Natural Gas Fired Combined Cycle”
- Age
- 8 years since 2018
- Unused energy
- 3,216 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
- Heat rate
- 7,091 Btu/kWh 2025
All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| EPA greenhouse gas reporting (GHGRP) |
|
| Fuel burned (MMBtu), 2025 | 15,052,034 |
| Capacity factor, 2025 | 0.398 |
| Heat rate (Btu/kWh), 2025 | 7,090.8 |
| Net generation (MWh), 2025 | 2,122,743.1 |
| Balancing authority code | PJM |
Retirement
EIA-860M September 2026StatusSome generators have retired; the rest of the plant is still in service. As of EIA-860M for September 2026.- Capacity retired
- 567.4 MW
- Generators retired
- 5
- Capacity still in service
- 609.5 MW
| Generator | Technology | Nameplate | State | Date |
|---|---|---|---|---|
| 6 | Petroleum Liquids | 115.2 MW | Retired | June 2015 |
| 1 | Natural Gas Steam Turbine | 110.7 MW | Retired | May 2018 |
| 2 | Natural Gas Steam Turbine | 107.5 MW | Retired | May 2018 |
| 3 | Natural Gas Steam Turbine | 107.5 MW | Retired | May 2018 |
| 4 | Natural Gas Steam Turbine | 126.5 MW | Retired | May 2018 |
By technology
| Technology | Retired | Scheduled to retire |
|---|---|---|
| Natural Gas Steam Turbine | 452.2 MW | |
| Petroleum Liquids | 115.2 MW |
Grid
EIA-860 2025Grid fieldsAs the plant reported them to EIA-860 for 2025 (Schedule 2).- Grid voltage at the plant
- 230 kV
- Transmission or distribution system owner
- Public Service Elec & Gas Co
- Balancing authority
- PJM Interconnection, LLC
- NERC region
- RFC
Transmission lines within 25 km (10)
Can the connection be reused?
A plant that retires usually leaves its substation, transmission connection and interconnection agreement behind, and those may be reusable by a new project at the same site. FERC Order No. 845 lets an interconnection customer use surplus interconnection service at an existing site, and some transmission providers' tariffs let a replacement resource take over a retiring unit's interconnection service, usually within a set time after the retirement. Whether any such right still exists here, who holds it and on what terms depends on the owner, the transmission provider and timing; this page does not establish any of that.
Ownership
2 companies2| Company | Role | Share | As of | Source |
|---|---|---|---|---|
| Parkway Generation Sewaren Urban Renewal Entity LLC | Operator | EIA-860M | ||
| ARCLIGHT ENERGY PARTNERS FUND VII LP | Owner | 100.0% | 31 Dec 2023 | EPA GHGRP |
Timeline
- Stated Units 1, 2, 3, 4 scheduled to retire, 452.2 MW · EIA-860M
- In service · EIA-860M
- Stated Unit 6 scheduled to retire, 115.2 MW · EIA-860M
Sources
5 sourcesSources EIA-860M · LBNL · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- LBNL — A Harmonized Geospatial Dataset of U.S. Transmission Lines: Linking FERC Form 1 and HIFLD, 1994-2024 (OEDI submission 8742)Yin, Nait Belaid & Heleno (2026), Lawrence Berkeley National Laboratory, OEDI, CC BY 4.0: A Harmonized Geospatial Dataset of U.S. Transmission Lines: Linking FERC Form 1 and HIFLD, 1994-2024. Modified by Inframation: HIFLD-side fields only, names re-cased, coordinates rounded.
- EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)
Around this plant
Nearby
within 25 km| Project | Kind | Away | MW |
|---|---|---|---|
| Elevate Arthur Kill Under construction | Storage | 5.6 km | 15.1 |
| Swiftsure Postponed | Storage | 7.0 km | 121 |
| BARCLAYS CAPITAL DATA CENTER Built | Large load | 10.3 km | |
| Coreweave Under construction | Large load | 13.5 km | |
| Prologis - SLNNJ036 - Community Solar Under construction | Solar | 13.7 km | 1.6 |
| BPL NJ - Union Distribution Center Under construction | Solar | 14.2 km | 1.5 |
| Staten Island Energy Storage 1 LLC Postponed | Storage | 14.5 km | 5 |
| Elizabeth Metropolitan Logistics Center Under construction | Solar | 14.7 km | 1.2 |
| Gateway Energy Center, LLC Postponed | Gas, combined cycle | 15.1 km | 440 |
| Middlesex Energy Center LLC Postponed | Gas, combined cycle | 15.3 km | 570 |
| AB Newark Solar Postponed | Solar | 16.5 km | 5.6 |
| Bayonne Energy Center Under construction | Storage | 17.0 km | 49.8 |
| BARCLAYS CAPITAL DATA CENTER Built | Large load | 17.9 km | |
| EVOQUE DATA CENTER SOLUTIONS - PNJ1 Built | Large load | 18.0 km | |
| Milltown Onsite BESS Under construction | Storage | 19.6 km | 13.2 |
| NJ 1 DATA CENTER Built | Large load | 20.2 km | |
| Prologis - SLCNJ001 - Community Solar Under construction | Solar | 21.0 km | 3.2 |
| RAR DEVELOPMENT ASSOCIATES × 2 units Built | Large load | 21.3 km | |
| Gowanus Gas Turbines Generating Postponed | Gas, combustion turbine | 23.7 km | 93 |
| FIDESSA Built | Large load | 24.6 km |
Sources EIA-860M · EPA ICIS-Air · EPA ICIS-NPDES · FAA OE/AAA
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EPA ECHO ICIS-Air national facility download (data-centre selection, placed through FRS)
- EPA ECHO ICIS-NPDES construction stormwater coverage (data-centre sites, national)
- FAA OE/AAA Part 77 obstruction evaluation case archives (data-centre sites, buildings and cranes)