Stillwater B
1062 Stillwater Avenue, Old Town, ME 4489Plant Summary Information
Stillwater B is ranked #36 out of 50 hydroelectric power plants in Maine in terms of total annual net electricity generation.
Stillwater B is comprised of 3 generators and generated 1.7 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Stillwater B |
|---|---|
| Utility Name | Brookfield Black Bear Hydro, LLC |
| Location | Penobscot County, ME |
| Initial Operation Date | September 2013 |
| Last Update | Dec 2025 |
| Annual Generation | 9.4 GWh |
| Annual Consumption | 34.2 k MMBtu |
| Ranked #6,377 out of 13,081 Power Plants Nationwide | |
| Ranked #919 out of 1,311 Water Power Plants Nationwide | |
| Ranked #87 out of 236 Maine Power Plants | |
| Ranked #36 out of 50 Maine Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Stillwater B
Monthly Plant Fuel Consumption for Stillwater B
Stillwater B Details
| Summary Information | |
|---|---|
| Plant Name | Stillwater B (59437) |
| Plant Address | 1062 Stillwater Avenue, Old Town, ME 4489 |
| Utility | Brookfield Black Bear Hydro, LLC (59178) |
| Latitude, Longitude | 44.91267, -68.68383 |
| Generation Dates on File | Jan 2014 to Dec 2025 |
| Initial Operation Date | September 2013 |
| Annual Generation | 9.4 GWh |
| Fuel Types | Water |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| 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 | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | Penobscot River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Versant Power (1179) ME |
| Grid Voltage | 12.50 kV |
| Energy Storage | No |
Generator SWB-1 Details Operating September 2013
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 0.8 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 0.8 MW |
| Winter Capacity | 0.8 MW |
| Minimum Load | 0.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | September 2013 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
Generator SWB-2 Details Operating September 2013
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 0.8 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 0.8 MW |
| Winter Capacity | 0.8 MW |
| Minimum Load | 0.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | September 2013 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
Generator SWB-3 Details Operating September 2013
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 0.8 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 0.8 MW |
| Winter Capacity | 0.8 MW |
| Minimum Load | 0.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | September 2013 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
Stillwater B 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 Water.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #909 | Sandstone Rapids | Town of Stephenson, WI | 9.7 GWh |
| #910 | Weybridge | Weybridge, VT | 9.7 GWh |
| #911 | Austin | Austin, TX | 9.7 GWh |
| #912 | Island Park | Island Park, ID | 9.7 GWh |
| #913 | Union Falls | Au Sable Forks, NY | 9.6 GWh |
| #914 | Menominee Mill Marinette | Menominee, MI | 9.6 GWh |
| #915 | Ladysmith Dam | Ladysmith, WI | 9.6 GWh |
| #916 | Webber | Lyons, MI | 9.5 GWh |
| #917 | Upper Beaver Falls Project | Beaver Falls, NY | 9.5 GWh |
| #918 | Middle Falls Hydro | Middle Falls, NY | 9.4 GWh |
| #920 | Yorba Linda | Yorba Linda, CA | 9.4 GWh |
| #921 | Hemlock Falls | Crystal Falls, MI | 9.4 GWh |
| #922 | Montgomery Creek Hydro | Montgomery Creek, CA | 9.2 GWh |
| #923 | Gross Hydro Plant | Boulder, CO | 9.2 GWh |
| #924 | Warrensburg Hydroelectric | Warrensburg, NY | 9.2 GWh |
| #925 | Merced Falls | Snelling, CA | 9.1 GWh |
| #926 | Saxon Falls | Saxon, WI | 9.1 GWh |
| #927 | Mine Falls Generating Station | Nashua, NH | 9.1 GWh |
| #928 | Drop 1 | Holtville, CA | 9.0 GWh |
| #929 | Towaoc | Cortez, CO | 9.0 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Stillwater B.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Brewer (CSG) | Brewer, ME | 7.0 GWh | 8.1 mi |
| BRNG Nicolin (CSG) | Ellsworth, ME | 5.8 GWh | 21.9 mi |
| Broadway Solar (CSG) | Bangor, ME | 6.3 GWh | 7.6 mi |
| BWC Jimmie Pond | Hampden, ME | 3.3 GWh | 13.7 mi |
| Dynamic - Enfield Hammett Road CSG | Enfield, ME | 8.6 GWh | 23.1 mi |
| Dynamic - Exeter Solar CSG | Exeter, ME | 6.3 GWh | 20.4 mi |
| Dynamic - Glenburn Broadway One (CSG) | Glenburn, ME | 6.2 GWh | 8.6 mi |
| Dynamic Corinth (CSG) | Corinth, ME | 9.8 GWh | 18.1 mi |
| Eastern Maine Medical Center | Bangor, ME | 27.6 GWh | 7.9 mi |
| Maine Independence Station | Veazie, ME | 1.4 TWh | 6.2 mi |
| ME CDG 004 | Bangor, ME | 3.0 GWh | 7.2 mi |
| ME CDG 005 | Veazie, ME | 2.8 GWh | 5 mi |
| Milford Hydro Station | Milford, ME | 35.9 GWh | 2.8 mi |
| Orono B | Orono, ME | 17.2 GWh | 2.2 mi |
| Orono Hydro Station | Orono, ME | 6.2 GWh | 2.4 mi |
| Pisgah Mountain Wind | Clifton, ME | 28.3 GWh | 12.2 mi |
| Pumpkin Hill | Lowell, ME | 2.9 GWh | 21.7 mi |
| Silver Maple | Clifton, ME | 63.9 GWh | 12.1 mi |
| SP-231 Clifton | Clifton, ME | 5.4 GWh | 10.1 mi |
| Stillwater Hydro Station | Stillwater, ME | 5.9 GWh | 0.2 mi |