William F Wyman Hybrid
677 Cousins Street, Yarmouth, ME 4096Plant Summary Information
William F Wyman Hybrid is ranked #9 out of 52 residual fuel oil power plants nationwide in terms of total annual net electricity generation.
William F Wyman Hybrid is comprised of 5 generators and generated 9.5 GWh during the 3-month period between June 2025 to September 2025.
| Plant Name | William F Wyman Hybrid |
|---|---|
| Utility Name | FPL Energy Wyman LLC |
| Location | Cumberland County, ME |
| Initial Operation Date | January 1957 |
| Last Update | Sep 2025 |
| Annual Generation | 65.9 GWh |
| Annual Consumption | 821.1 k MMBtu |
| Ranked #3,803 out of 12,539 Power Plants Nationwide | |
| Ranked #9 out of 52 Residual Fuel Oil Power Plants Nationwide | |
| Ranked #38 out of 211 Maine Power Plants | |
| Ranked #1 out of 3 Maine Residual Fuel Oil Power Plants | |
| Fuel Types | Residual Fuel Oil : 99.2% Distillate Fuel Oil : 0.8% |
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Monthly Net Generation for William F Wyman Hybrid
William F Wyman Hybrid Details
| Summary Information | |
|---|---|
| Plant Name | William F Wyman Hybrid (1507) |
| Plant Address | 677 Cousins Street, Yarmouth, ME 4096 |
| Utility | FPL Energy Wyman LLC (31719) |
| Latitude, Longitude | 43.7508, -70.1567 |
| Generation Dates on File | Jan 2001 to Sep 2025 |
| Initial Operation Date | January 1957 |
| Annual Generation | 65.9 GWh |
| Fuel Types | Residual Fuel Oil : 99.2% Distillate Fuel Oil : 0.8% |
| 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 | 99-144-000, 99-37-000 |
| 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 | Casco River |
| Ash Impoundment | Yes Not Lined Operating |
| Transmission / Distribution Owner | Central Maine Power Co (3266) ME |
| Grid Voltage | 345.00 kV / 115.00 kV |
| Energy Storage | Yes |
Generator 1 Details Operating January 1957
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 50 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 50.1 MW |
| Winter Capacity | 49.5 MW |
| Minimum Load | 10 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | January 1957 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Residual Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 2 Details Operating January 1958
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 50 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 47.8 MW |
| Winter Capacity | 52.8 MW |
| Minimum Load | 10 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | January 1958 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Residual Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 3 Details Operating January 1965
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 113.6 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 110.9 MW |
| Winter Capacity | 113.8 MW |
| Minimum Load | 30 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | January 1965 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Residual Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator 4 Details Operating January 1978
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Jointly Owned |
| Nameplate Capacity | 632.4 MW |
| Nameplate Power Factor | 0.93 |
| Summer Capacity | 602.1 MW |
| Winter Capacity | 605.8 MW |
| Minimum Load | 60 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | January 1978 |
| Combined Heat & Power | No |
|---|---|
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Residual Fuel Oil |
| Startup Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator BESS Details Operating December 2016
| Technology | Batteries |
|---|---|
| Prime Mover | Battery |
| Ownership | Single Owner |
| Nameplate Capacity | 16.7 MW |
| Summer Capacity | 16.2 MW |
| Winter Capacity | 16.2 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 2016 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Electricity used for energy storage |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Switch Between Oil And Natural Gas | No |
| Energy Storage Details | |
| Nameplate Energy Capacity MWH | 10.9 |
|---|---|
| Maximum Charge Rate | 16.7 MW |
| Maximum Discharge Rate | 16.2 MW |
| Storage Technology | LIB |
| Nameplate Reactive Power Rating | 10.2 |
| Storage Enclosure Type | CS |
| Frequency Regulation | P |
| Direct Support Of Another Unit | No |
| Support T D Asset | No |
William F Wyman Hybrid Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| Green Mountain Power Corp | 163 Acorn Lane, Colchester, VT 5446 | Generator 4 | 2.92% |
| The Town of Lyndon Electric Department | P O Box 167, Lyndonville, VT 5851 | Generator 4 | 0.03% |
| Massachusetts Mun Wholes Electric Co | 327 Moody Street, Ludlow, MA 1056 | Generator 4 | 3.67% |
| Public Service Co of NH | 780 North Commercial Street, Manchester, NH 3101 | Generator 4 | 3.14% |
| FPL Energy Wyman LLC | 700 Universe Blvd, Juno Beach, FL 33408 | Generator 4 | 84.34% |
| Constellation Nuclear | 4300 Winfield Road, Warrenville, IL 60555 | Generator 4 | 5.90% |
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| #6 | Canal | Sandwich, MA | 351.9 GWh |
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| #11 | TalenEnergy Martins Creek | Bangor, PA | 2.4 TWh |
| #12 | Puna | Keaau, HI | 105.9 GWh |
| #13 | Newington | Newington, NH | 95.2 GWh |
| #14 | Bowline Point | West Haverstraw, NY | 1.9 TWh |
| #15 | Port Jefferson | Port Jefferson, NY | 246.5 GWh |
| #16 | Middletown | Middletown, CT | 33.0 GWh |
| #17 | Georgia-Pacific Cedar Springs | Cedar Springs, GA | 468.1 GWh |
| #18 | Edge Moor | Wilmington, DE | 327.6 GWh |
| #19 | New Haven Harbor | New Haven, CT | 92.5 GWh |
| #20 | Somerset Plant | Skowhegan, ME | 573.0 GWh |
| #21 | Rumford Cogeneration | Rumford, ME | 429.0 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding William F Wyman Hybrid.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Augusta Road Bowdoin Solar, LLC | Bowdoin, ME | 5.5 GWh | 20.8 mi |
| Brunswick Hydro | Brunswick, ME | 88.1 GWh | 15 mi |
| BWC Beech Ridge Brook, LLC | Scarborough, ME | 7.5 GWh | 15.7 mi |
| Cape Gas Turbine | Portland, ME | 111.0 MWh | 8.9 mi |
| Cataract Hydro | Saco, ME | 28.5 GWh | 22.8 mi |
| Gorham Solar 1 (CSG) | Gorham, ME | 7.8 GWh | 14.1 mi |
| Lewiston Junction Road Solar | Poland, ME | 6.9 GWh | 22 mi |
| Lisbon Street Solar | Lewiston, ME | 3.0 GWh | 21.4 mi |
| ME-EDFR-Phase I-Woolwich | Woolwich, ME | 6.9 GWh | 22.6 mi |
| MMWAC Resource Recovery Facility | Auburn, ME | 10.1 GWh | 22.5 mi |
| North Gorham | Gorham, ME | 6.6 GWh | 15.1 mi |
| Pejepscot Hydroelectric Project | Topsham, ME | 48.6 GWh | 15.7 mi |
| Regional Waste Systems | Portland, ME | 89.6 GWh | 11.1 mi |
| S D Warren Westbrook | Westbrook, ME | 32.7 GWh | 10.8 mi |
| Sabattus SB01 | Sabattus, ME | 7.5 GWh | 21.9 mi |
| SCS Harpswell 012903 Brunswick, LLC | Brunswick, ME | 7.1 GWh | 14.5 mi |
| Shaker | Gray, ME | 6.5 GWh | 13.6 mi |
| Standish | Standish, ME | 7.3 GWh | 19.5 mi |
| Westbrook Energy Center Power Plant | Westbrook, ME | 2.9 TWh | 12.7 mi |
| Worumbo Hydro Station | Lisbon Falls, ME | 88.7 GWh | 17.5 mi |