Fore River Generating Station
9 Bridge Street, North Weymouth, MA 2191Plant Summary Information
Fore River Generating Station is ranked #2 out of 629 power plants in Massachusetts in terms of total annual net electricity generation.
Fore River Generating Station is comprised of 3 generators and generated 866.8 GWh during the 3-month period between June 2025 to September 2025.
| Plant Name | Fore River Generating Station |
|---|---|
| Utility Name | Calpine Fore River Energy Center, LLC |
| Location | Norfolk County, MA |
| Initial Operation Date | August 2003 |
| Last Update | Sep 2025 |
| Annual Generation | 3.1 TWh |
| Annual Consumption | 25.2 M MMBtu |
| Ranked #375 out of 12,539 Power Plants Nationwide | |
| Ranked #234 out of 2,243 Natural Gas Power Plants Nationwide | |
| Ranked #2 out of 629 Massachusetts Power Plants | |
| Ranked #2 out of 44 Massachusetts Natural Gas Power Plants | |
| Fuel Types | Natural Gas : 95.1% Distillate Fuel Oil : 4.9% |
| Previous Operator |
Constellation Mystic Power LLC (2013 to 2013) Calpine Fore River Energy Center, LLC (2014 to 2024) |
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Monthly Net Generation for Fore River Generating Station
Fore River Generating Station Details
| Summary Information | |
|---|---|
| Plant Name | Fore River Generating Station (55317) |
| Plant Address | 9 Bridge Street, North Weymouth, MA 2191 |
| Utility | Calpine Fore River Energy Center, LLC (59368) |
| Latitude, Longitude | 42.2422, -70.9661 |
| Generation Dates on File | Apr 2003 to Sep 2025 |
| Initial Operation Date | August 2003 |
| Annual Generation | 3.1 TWh |
| Fuel Types | Natural Gas : 95.1% Distillate Fuel Oil : 4.9% |
| 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 | 98-46-000 |
| 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 | Air Cooled Condensor |
| Ash Impoundment | No |
| Transmission / Distribution Owner | NSTAR Electric Company (54913) MA |
| Grid Voltage | 115.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | ALGONQUIN GAS TRANSMISSION COMPANY |
| Natural Gas Storage | No |
Generator GT11 Details Operating August 2003
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | G942 |
| Ownership | Single Owner |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | UN EDGAR 18 DED1A |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | UN EDGAR 18 DED1A |
| Nameplate Capacity | 278.6 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 231 MW |
| Winter Capacity | 255 MW |
| Minimum Load | 140 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | August 2003 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | Yes |
|---|---|
| Net Summer Capacity With Natural Gas | 228.8 MW |
| Net Winter Capacity With Natural Gas | 265.7 MW |
| Net Winter Capacity With Oil | 230 MW |
| Time To Switch From Gas To Oil | 6H |
| Time To Switch From Oil To Gas | 6H |
| Factors That Limit Switching | Yes |
| Air Permit Limits | Yes |
Generator GT12 Details Operating August 2003
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | G942 |
| Ownership | Single Owner |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | UN EDGAR DED1B |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | UN EDGAR 18 DED1B |
| Nameplate Capacity | 278.6 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 231 MW |
| Winter Capacity | 255 MW |
| Minimum Load | 140 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | August 2003 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | Yes |
|---|---|
| Net Summer Capacity With Natural Gas | 228.1 MW |
| Net Winter Capacity With Natural Gas | 264.9 MW |
| Net Winter Capacity With Oil | 230 MW |
| Time To Switch From Gas To Oil | 6H |
| Time To Switch From Oil To Gas | 6H |
| Factors That Limit Switching | Yes |
| Air Permit Limits | Yes |
Generator ST15 Details Operating August 2003
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Steam Part |
| Unit Code | G942 |
| Ownership | Single Owner |
| Duct Burners | Yes |
| RTO ISO LMP Node Designation | UN EDGAR 18 DED1A |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | UN EDGAR 18 DED1A |
| Nameplate Capacity | 315 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 262 MW |
| Winter Capacity | 280 MW |
| Minimum Load | 75 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | August 2003 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | Yes |
|---|---|
| Net Summer Capacity With Natural Gas | 269.1 MW |
| Net Winter Capacity With Natural Gas | 280 MW |
| Net Winter Capacity With Oil | 250 MW |
| Time To Switch From Gas To Oil | 6H |
| Time To Switch From Oil To Gas | 6H |
| Factors That Limit Switching | Yes |
| Air Permit Limits | Yes |
Fore River Generating Station Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
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