Stony Brook

Power plant · Oil

Key facts

Power plant · Oil Operating

Net generation MWh by year, 2001 to 2026

Fuel burned MMBtu by year, 2001 to 2026

Owner: Massachusetts Municipal Wholesale Electric CO, Massachusetts Mun Wholes Electric Co, Green Mountain Power Corp and 1 more

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Technology: Oil source: “Petroleum Liquids”
Age: 45 years since 1981
Unused energy: 4,640 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: 9,998 Btu/kWh 2025

All 9 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory

Attributes
Attribute	Value
Gem	Unit ids G100000817982 Location id L100000815146 Eia plant ids 6081
Grid	Nerc region NPCC Report year 2025 Grid voltage kv 345 Transmission owner Western Massachusetts Electric Company Balancing authority code ISNE Balancing authority name ISO New England Inc.
EPA greenhouse gas reporting (GHGRP)	EPA FRS ID 110024332079 Subparts reported C, D NAICS code 221112 Subpart PP (CO2 supply) No Subpart RR (geologic sequestration) No Subpart UU (CO2 injection) No Reporting year 2023 GHGRP facility ID 1001021
Eia status	By code OP Mw 537.5 Units 8 SB Mw 4 Units 2 Standby mw 4 Status rule some_units_idle In service mw 541.5 Out of service mw 0
Fuel burned (MMBtu), 2025	1,039,327
Capacity factor, 2025	0.022
Heat rate (Btu/kWh), 2025	9,997.8
Net generation (MWh), 2025	103,956
Balancing authority code	ISNE

Source USPVDB

Source

USPVDBOpen license · retrieved Oct 25, 2026Map services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb

4 companies

Companies with an ownership or operating interest in this asset.
Company	Role	Share	As of	Source
Massachusetts Mun Wholes Electric Co	Operator			EIA-860M
MASSACHUSETTS MUNICIPAL WHOLESALE ELECTRIC CO	Owner	90.8%	Dec 31, 2023	EPA GHGRP
Green Mountain Power Corp	Owner	8.8%	Dec 31, 2023	EPA GHGRP
Green Mountain Power Corp	Owner	8.7%	Dec 31, 2025	EIA-860
The Town of Lyndon Elec Dept - (VT)	Owner	0.4%	Dec 31, 2025	EIA-860
Massachusetts Mun Wholes Electric Co	Owner	89.6%	Dec 31, 2025	EIA-860

7 sources

Sources

EIA-860MOpen license · retrieved Nov 4, 2026
GEMOpen license, with credit · retrieved Oct 26, 2026Global Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
USPVDBOpen license · retrieved Oct 25, 2026Map services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb
EIAOpen license · retrieved Nov 1, 2026Source: 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)
EIA-860 Annual Electric Generator Report — Schedule 4 Owner (ownership shares per generator), plus Plant/Generator schedules

Projects within 15 mi, nearest first.
Project	Kind	Away	MW
Stony Brook Postponed	Gas, combined cycle	0.0 mi	422
Palmer Renewable Energy Postponed	Biomass	3.8 mi	42
Riverside Holyoke Postponed	Hydro	4.3 mi	1.1
Hadley Falls Postponed	Hydro	4.9 mi	3.5
Chicopee BESS Under construction	Storage	5.4 mi	5
Holyoke MA BESS 1 Under construction	Storage	7.4 mi	5
Belchertown Solar PV + Battery Project Under construction	Solar + storage	10.1 mi	5.6

Sources