Millennium Power

10 Sherwood Lane, Charlton, MA 1507

Plant Summary Information

Millennium Power is ranked #7 out of 629 power plants in Massachusetts in terms of total annual net electricity generation.

Millennium Power is comprised of 2 generators and generated 329.7 GWh during the 3-month period between October 2025 to January 2026.

Plant Name	Millennium Power
Utility Name	Millennium Power Company, LLC
Location	Worcester County, MA
Initial Operation Date	April 2001
Last Update	Jan 2026
Annual Generation	971.4 GWh
Annual Consumption	7.3 M MMBtu
Ranked #761 out of 12,629 Power Plants Nationwide
Ranked #442 out of 2,246 Natural Gas Power Plants Nationwide
Ranked #7 out of 629 Massachusetts Power Plants
Ranked #7 out of 44 Massachusetts Natural Gas Power Plants
Fuel Types	Natural Gas
Previous Operator	Millennium Power Partners LP (2013 to 2019) Millennium Power Company, LLC (2020 to 2024)

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Summary Information
Plant Name	Millennium Power (55079)
Plant Address	10 Sherwood Lane, Charlton, MA 1507
Utility	Millennium Power Company, LLC (12713)
Latitude, Longitude	42.11229, -72.01511
Generation Dates on File	Jan 2001 to Jan 2026
Initial Operation Date	April 2001
Annual Generation	971.4 GWh
Fuel Types	Natural Gas

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	Yes
FERC Exempt Wholesale Generator Docket Number	98-12-000

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region	NPCC
Balancing Authority	ISO New England Inc. (ISNE)
NAICS Code	Utilities (22)
Sector	IPP Non-CHP (2)
Water Source	Southbridge WWTF
Ash Impoundment	No
Transmission / Distribution Owner	New England Power Company (13433)
Grid Voltage	115.00 kV
Energy Storage	No

Natural Gas Information
Pipeline Name	TENNESSEE GAS PIPELINE COMPANY
Natural Gas Storage	No

* Data obtained from the 2024 EIA 860 Report

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	CC01
Ownership	Single Owner
Can Bypass Heat Recovery Steam Generator	No
RTO ISO LMP Node Designation	UN.MILLENUM16 MILN
RTO ISO Location Designation For Reporting Wholesale Sales Data	UN.MILLENUM16 MILN
Nameplate Capacity	295.2 MW
Nameplate Power Factor	0.9
Summer Capacity	212.1 MW
Winter Capacity	243 MW
Minimum Load	115 MW

Uprate/Derate Completed	Yes
Uprate Or Derate Completed	December 2024
Status	Operating
First Operation Date	April 2001
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Multiple Fuels	No
Switch Between Oil And Natural Gas	No

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Steam Part
Unit Code	CC01
Ownership	Single Owner
Duct Burners	No
RTO ISO LMP Node Designation	UN.MILLENUM16 MILN
RTO ISO Location Designation For Reporting Wholesale Sales Data	UN.MILLENUM16 MILN
Nameplate Capacity	132.3 MW
Nameplate Power Factor	0.9
Summer Capacity	118 MW
Winter Capacity	135.9 MW
Minimum Load	65 MW

Uprate/Derate Completed	Yes
Uprate Or Derate Completed	June 2024
Status	Operating
First Operation Date	April 2001
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Multiple Fuels	No
Switch Between Oil And Natural Gas	No

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

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#433	Sim Gideon	Bastrop, TX	1.0 TWh
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#435	Graham	Graham, TX	1.0 TWh
#436	Tiger Bay	Ft. Meade, FL	1.0 TWh
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#438	J K Smith	Winchester, KY	995.8 GWh
#439	Anderson	Anderson, IN	1.0 TWh
#440	Troy Energy LLC	Luckey, OH	988.6 GWh
#441	Southcentral Power Project	Anchorage, AK	986.1 GWh
#443	Lincoln Combustion	Stanley, NC	980.8 GWh
#444	Bayonne Energy Center	Bayonne, NJ	982.4 GWh
#445	Kyrene	Tempe, AZ	952.5 GWh
#446	Valley (CA)	Sun Valley, CA	952.1 GWh
#447	Richmond Cogen	Richmond, CA	974.7 GWh
#448	Air Products Port Arthur	Port Arthur, TX	998.1 GWh
#449	Delaware City Plant	Delaware City, DE	1.1 TWh
#450	George M Sullivan Generation Plant 2	Anchorage, AK	923.3 GWh
#451	Stryker Creek	Jacksonville, TX	921.7 GWh
#452	Bennett Mountain	Mountain Home, ID	919.1 GWh

Below are closest 20 power plants surrounding Millennium Power.

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Alicea Solar Project Hybrid CSG	Southbridge, MA	3.6 GWh	3.1 mi
Annese Solar Project Hybrid CSG	Southbridge, MA	7.6 GWh	2.6 mi
Charlton Solar I CSG	Charlton, MA	5.4 GWh	1.4 mi
Depot Hill Solar CSG	Charlton, MA	3.1 GWh	3.1 mi
Dresser Hill CSG	Southbridge, MA	6.2 GWh	2.2 mi
Dudley River 2 Solar, LLC CSG	Southbridge, MA	1.6 GWh	2.9 mi
Dudley River 3 Solar, LLC CSG	Southbridge, MA	1.7 GWh	3 mi
Dudley River Solar, LLC CSG	Southbridge, MA	1.7 GWh	3 mi
Farley Road Community Solar	Dudley, MA	1.7 GWh	1.1 mi
Griffin Road Solar 2	Charlton, MA	2.3 GWh	2.5 mi
Griffin Road Solar, LLC CSG	Charlton, MA	3.2 GWh	2.4 mi
Incom Solar, LLC CSG	Charlton, MA	3.6 GWh	0.3 mi
McDougle-Mitchell Solar Project Hybrid C	Charlton, MA	7.5 GWh	3.7 mi
Partridge Hill Solar Hybrid	Charlton, MA	3.2 GWh	4 mi
Sampson Road Community Solar	Charlton, MA	3.1 GWh	1.1 mi
Southbridge Landfill Gas-to-Energy	Southbridge, MA	11.9 GWh	1 mi
Southbridge Solar	Southbridge, MA	2.1 GWh	1.5 mi
St. Joseph's Solar, LLC CSG	Charlton, MA	1.6 GWh	3.1 mi
West A&B Solar Project Hybrid CSG	Southbridge, MA	4.7 GWh	2.7 mi
ZPD-PT Solar Project 2017-023 LLC Hybrid	Southbridge, MA	3.5 GWh	2.9 mi