Somerset Plant
1329 Waterville Rd, Skowhegan, ME 4976Plant Summary Information
Somerset Plant is ranked #21 out of 80 black liquor power plants nationwide in terms of total annual net electricity generation.
Somerset Plant is comprised of 2 generators and generated 128.0 GWh during the 3-month period between January 2025 to April 2025.
| Plant Name | Somerset Plant |
|---|---|
| Utility Name | Sappi Fine Paper North America-Somerset |
| Location | Somerset County, ME |
| Initial Operation Date | January 1976 |
| Last Update | Apr 2025 |
| Annual Generation | 535.3 GWh |
| Annual Consumption | 20.8 M MMBtu |
| Ranked #1,243 out of 12,299 Power Plants Nationwide | |
| Ranked #21 out of 80 Black Liquor Power Plants Nationwide | |
| Ranked #5 out of 202 Maine Power Plants | |
| Ranked #1 out of 3 Maine Black Liquor Power Plants | |
| Fuel Types | Black Liquor : 47.3% Wood/Wood Waste Solids : 37.0% Tire-derived Fuels : 6.1% Natural Gas : 6.0% Residual Fuel Oil : 2.6% Sludge Waste : 1.0% |
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Monthly Net Generation for Somerset Plant
Somerset Plant Details
| Summary Information | |
|---|---|
| Plant Name | Somerset Plant (50406) |
| Plant Address | 1329 Waterville Rd, Skowhegan, ME 4976 |
| Utility | Sappi Fine Paper North America-Somerset (16190) |
| Latitude, Longitude | 44.70347, -69.64744 |
| Generation Dates on File | Jan 2001 to Apr 2025 |
| Initial Operation Date | January 1976 |
| Annual Generation | 535.3 GWh |
| Fuel Types | Black Liquor : 47.3% Wood/Wood Waste Solids : 37.0% Tire-derived Fuels : 6.1% Natural Gas : 6.0% Residual Fuel Oil : 2.6% Sludge Waste : 1.0% |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | Yes |
| FERC Cogeneration Docket Number | 89-116-000 |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | NPCC |
| Balancing Authority | ISO New England Inc. (ISNE) |
| NAICS Code | (322122) |
| Sector | Industrial CHP (7) |
| Water Source | Kennebec River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Central Maine Power Co (3266) ME |
| Grid Voltage | 115.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | SUMMIT NATURAL GAS |
| Natural Gas Storage | No |
Generator GEN1 Details Operating January 1976
| Technology | Wood/Wood Waste Biomass |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | 4156 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | 4156 |
| Nameplate Capacity | 45.9 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 48.8 MW |
| Winter Capacity | 48.8 MW |
| Minimum Load | 5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | January 1976 |
|---|---|
| Combined Heat & Power | Yes |
| Sector Name | Industrial CHP (7) |
| Topping Or Bottoming | T |
| Energy Source | Black Liquor / Wood/Wood Waste Solids / Natural Gas / Tire-derived Fuels / Sludge Waste / Residual Fuel Oil |
| Startup Source | Residual Fuel Oil / Distillate Fuel Oil / Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | Yes |
| Cofire Fuels | Yes |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Cofire Energy Source | BLQ / WDS / RFO / TDF / SLW / NG |
|---|---|
| Switch When Operating | Yes |
| Net Summer Capacity With Natural Gas | 48.8 MW |
| Net Winter Capacity With Natural Gas | 48.8 MW |
| Net Summer Capacity With Oil | 48.8 MW |
| Net Winter Capacity With Oil | 48.8 MW |
| Time To Switch From Gas To Oil | 6H |
| Time To Switch From Oil To Gas | 6H |
| Factors That Limit Switching | Yes |
| Other Limits | Yes |
Generator GEN2 Details Operating October 1990
| Technology | Wood/Wood Waste Biomass |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | 4156 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | 4156 |
| Nameplate Capacity | 61.2 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 51 MW |
| Winter Capacity | 51 MW |
| Minimum Load | 5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | October 1990 |
|---|---|
| Combined Heat & Power | Yes |
| Sector Name | Industrial CHP (7) |
| Topping Or Bottoming | T |
| Energy Source | Black Liquor / Natural Gas / Wood/Wood Waste Solids / Tire-derived Fuels / Sludge Waste / Residual Fuel Oil |
| Startup Source | Distillate Fuel Oil / Residual Fuel Oil / Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | Yes |
| Cofire Fuels | Yes |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Cofire Energy Source | BLQ / WDS / RFO / TDF / SLW / NG |
|---|---|
| Switch When Operating | Yes |
| Net Summer Capacity With Natural Gas | 51 MW |
| Net Winter Capacity With Natural Gas | 51 MW |
| Net Summer Capacity With Oil | 51 MW |
| Net Winter Capacity With Oil | 51 MW |
| Time To Switch From Gas To Oil | 6H |
| Time To Switch From Oil To Gas | 6H |
| Factors That Limit Switching | Yes |
| Other Limits | Yes |
Somerset Plant Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| We couldn't locate any owners for this plant | |||
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Black Liquor.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #11 | Sappi Cloquet Mill | Cloquet, MN | 463.9 GWh |
| #12 | Fernandina Beach Mill | Fernandina Beach, FL | 589.6 GWh |
| #13 | International Paper Georgetown Mill | Georgetown, SC | 484.7 GWh |
| #14 | Mead Coated Board | Mahrt, AL | 732.2 GWh |
| #15 | International Paper Riegelwood Mill | Riegelwood, NC | 316.6 GWh |
| #16 | Georgia-Pacific Brewton Mill | Brewton, AL | 499.4 GWh |
| #17 | Port Wentworth Mill | Port Wentworth, GA | 421.0 GWh |
| #18 | Georgia-Pacific Monticello Paper | Monticello, MS | 550.2 GWh |
| #19 | International Paper Pine Hill Mill | Pine Hill, AL | 475.7 GWh |
| #20 | Packaging Corp of America | Counce, TN | 428.3 GWh |
| #22 | Georgia-Pacific Cedar Springs | Cedar Springs, GA | 537.0 GWh |
| #23 | International Paper Red River Mill | Campti, LA | 370.6 GWh |
| #24 | International Paper Valliant OK | Valliant, OK | 417.4 GWh |
| #25 | Westrock Hodge (LA) | Hodge, LA | 466.5 GWh |
| #26 | Rumford Cogeneration | Rumford, ME | 436.8 GWh |
| #27 | WestRock (TX) | Evadale, TX | 406.8 GWh |
| #28 | Pine Bluff Mill | Pine Bluff, AR | 289.0 GWh |
| #29 | Gaylord Container Bogalusa | Bogalusa, LA | 418.2 GWh |
| #30 | Kentucky Mills | Hawesville, KY | 286.2 GWh |
| #31 | Clearwater Paper IPP Lewiston | Lewiston, ID | 395.3 GWh |
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|---|---|---|---|
| Barefoot Solar | Fairfiled, ME | 6.7 GWh | 7.7 mi |
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| Cenergy - Richards (CSG) | Fairfield, ME | 1.8 GWh | 4.6 mi |
| Cenergy - Waterville (CSG) | Waterville, ME | 9.1 GWh | 11.4 mi |
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| Hydro Kennebec Project | Winslow, ME | 27.0 GWh | 9.8 mi |
| Lockwood Hydroelectric Facility | Waterville, ME | 13.6 GWh | 10.9 mi |
| ME Novel Lighthouse - Front St. Solar CS | Skowhegan, ME | 3.9 GWh | 5.6 mi |
| Messalonskee 2 (Oakland) | Oakland, ME | 10.8 GWh | 11.1 mi |
| Messalonskee 3 | Oakland, ME | 6.5 GWh | 9.4 mi |
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| Shawmut | Shawmut, ME | 17.0 GWh | 6 mi |
| Solar Mule, LLC | Oakland, ME | 2.0 GWh | 10.1 mi |
| Waste Management Crossroads LFGTE | Norridgewock, ME | 18.4 GWh | 9.1 mi |
| Weston Hydro | Skowhegan, ME | 57.4 GWh | 5.4 mi |
| Winslow PV - BD Solar 2 LLC | Winslow, ME | 12.6 GWh | 10.3 mi |