Masspower — Plant Summary
- EIA Plant ID
- 10726
- Capacity
- 260.9 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Hampden, MA
- Operating Since
- 1993
- Generators
- 3
- Operator
- Masspower
- Parent Company
- Vistra
- Annual Generation
- 475,710 MWh
- Capacity Factor
- 20.6%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Masspower
OperatingNatural Gas
Ranked #9 of 40 Natural Gas plants in MA#688 of 2009 nationally
260.9 MW Natural Gas operating in Hampden, MA — ISO New England Inc.
EIAWD
260.9 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
1993
Operating Since
Location
Coordinates
42.1574, -72.5222
County
Hampden, MA
Nearby Plants
- Indian Orchard Plant 1Natural Gas5.7 MW · 0.1 km
- Indian OrchardHydro3.7 MW · 1.3 km
- Ameresco Chicopee EnergyLandfill Gas7.8 MW · 1.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Masspower | Masspower | — |
| Owner(s) | Masspower | Vistra | — |
| Status | Operating | — | — |
Ownership Chain
About
Masspower is a 260.9 MW natural gas-fired combined cycle power plant located in Hampden County, Massachusetts. The plant began operating in 1993 and is owned and operated by Vistra, under the EIA operator name Masspower. It consists of three generators. Masspower operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.
In the most recent year of reported data, Masspower generated 475,710 MWh of electricity, achieving a capacity factor of 20.6%. The plant is ranked as the 9th largest in Massachusetts out of 15 plants, and nationally it is ranked 690th out of 945 plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
115 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
29.3K MWh
Latest Month
475.7K MWh
Annual Generation
20.6%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Masspower
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
WCMASS
Pricing Hub
.H.INTERNAL_HUB
Node Source
EIA-860 direct report
News & Articles (10)Beta
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Vistra withdraws application to build battery plant in Morro Bay. What’s next?
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San Luis Obispo Tribune·11 months ago
General
Vistra withdraws battery storage application, to seek state approval
Vistra, a Texas-based energy company, has plans to construct and operate a 600-megawatt battery storage facility on approximately 24 acres of a roughly 70-acre...
Cal Coast News·11 months ago
Last updated 2026-03-26
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