Salem Harbor Power Development LP — Plant Summary
- EIA Plant ID
- 60903
- Capacity
- 798.2 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Essex, MA
- Operating Since
- 2018
- Generators
- 4
- Operator
- Salem Harbor Power Development LP
- Parent Company
- —
- Annual Generation
- 1,793,994 MWh
- Capacity Factor
- 25.6%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Salem Harbor Power Development LP
OperatingNatural Gas
Ranked #2 of 40 Natural Gas plants in MA#249 of 2009 nationally
798.2 MW Natural Gas operating in Essex, MA — ISO New England Inc.
EIAWD
798.2 MW
Nameplate Capacity
4
Generators
units
Natural Gas Fired Combined Cycle
Technology
2018
Operating Since
Location
Coordinates
42.5255, -70.8782
County
Essex, MA
Nearby Plants
- CHP PlantNatural Gas5.7 MW · 2.1 km
- Wilkins StationDistillate Oil5.4 MW · 2.1 km
- MMWEC Simple Cycle Gas TurbineNatural Gas65 MW · 4.5 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Salem Harbor Power Development LP | — | — |
| Owner(s) | Salem Harbor Power Development LP | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Salem Harbor Power Development LP is a natural gas-fired combined cycle power plant located in Essex County, Massachusetts. The plant has a total capacity of 798.2 MW distributed across four generators. It began operating in 2018 and is owned and operated by Salem Harbor Power Development LP. The plant is the second-largest of 15 active power plants in Massachusetts, and ranks 253rd out of 945 plants nationally.
The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In its most recent year of operation, the plant generated 1,793,994 MWh of electricity, achieving a capacity factor of 25.6%.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
117 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Interconnection Queue1 projectBeta
Footprint Combined Cycle Unit
OperationalGas715.599976 MWISO-NE
Generation
99.6K MWh
Latest Month
1.8M MWh
Annual Generation
25.6%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Salem Harbor Substation · 115 kV
Substation Distance
< 10 km
Operator
National Grid
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
48695
Pricing Hub
.H.INTERNAL_HUB
Node Source
EIA-860 direct report
News & Articles (3)Beta
Regulatory·ferc order
FERC Releases Fiscal Year 2022 Annual Enforcement Report
On November 17, 2022, the Staff of the Office of Enforcement (“OE”) of the Federal Energy Regulatory Commission (“FERC”) issued its...
Federal Energy Regulatory Commission (regulator)FERC (regulator)
The National Law Review·3 years ago
Regulatory·ferc order
Lessons to be Learned from FERC's Investigation of a New Power Project's Participation in the New England Capacity Market
The Federal Energy Regulatory Commission (FERC) issued an order approving a Stipulation and Consent Agreement stemming from an enforcement investigation.
Federal Energy Regulatory Commission (regulator)FERC (regulator)
K&L Gates·3 years ago
Deals·other
Bankrupt Salem Harbor power plant reaches $43 mln settlement with energy regulators
Massachusetts power plant operator Salem Harbor Power Development LP on Tuesday asked a U.S. bankruptcy judge in Delaware to approve a $43...
Salem Harbor Power Development LP (operator)
Reuters·3 years ago
Last updated 2026-03-26
View all articles