Orono B
18 Broadway, Orono, ME 4473Plant Summary Information
Orono B is ranked #30 out of 50 hydroelectric power plants in Maine in terms of total annual net electricity generation.
Orono B is comprised of 3 generators and generated 3.1 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Orono B |
|---|---|
| Utility Name | Brookfield Black Bear Hydro, LLC |
| Location | Penobscot County, ME |
| Initial Operation Date | November 2013 |
| Last Update | Dec 2025 |
| Annual Generation | 17.2 GWh |
| Annual Consumption | 63.2 k MMBtu |
| Ranked #5,592 out of 13,301 Power Plants Nationwide | |
| Ranked #742 out of 1,316 Water Power Plants Nationwide | |
| Ranked #71 out of 242 Maine Power Plants | |
| Ranked #30 out of 50 Maine Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Orono B
Monthly Plant Fuel Consumption for Orono B
Orono B Details
| Summary Information | |
|---|---|
| Plant Name | Orono B (59438) |
| Plant Address | 18 Broadway, Orono, ME 4473 |
| Utility | Brookfield Black Bear Hydro, LLC (59178) |
| Latitude, Longitude | 44.88444, -68.66389 |
| Generation Dates on File | Jan 2014 to Dec 2025 |
| Initial Operation Date | November 2013 |
| Annual Generation | 17.2 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 ORB-1 Details Operating November 2013
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 1.3 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1.3 MW |
| Winter Capacity | 1.3 MW |
| Minimum Load | 0.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | November 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 ORB-2 Details Operating November 2013
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 1.3 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1.3 MW |
| Winter Capacity | 1.3 MW |
| Minimum Load | 0.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | November 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 ORB-3 Details Operating November 2013
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 1.3 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1.3 MW |
| Winter Capacity | 1.3 MW |
| Minimum Load | 0.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | November 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 |
Orono 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 |
|---|---|---|---|
| #732 | Hancock Creek Hydroelectric Project | Snoqualmie, WA | 18.3 GWh |
| #733 | Ellsworth Hydro Station | Ellsworth, ME | 18.3 GWh |
| #734 | Cadyville | Town ofSchuyler Falls, NY | 18.2 GWh |
| #735 | West Point PH | Pioneer, CA | 18.1 GWh |
| #736 | Mechanicville Hydroelectric Station | Mechanicville, NY | 18.0 GWh |
| #737 | PEC Headworks | Moses Lake, WA | 17.7 GWh |
| #738 | Winton | Winton, MN | 17.6 GWh |
| #739 | Vallecito Hydroelectric | Bayfield, CO | 17.4 GWh |
| #740 | Spaulding 1 | Emigrant Gap, CA | 17.4 GWh |
| #741 | Cove Hydroelectric | Burney, CA | 17.4 GWh |
| #743 | City of Peru Hydro-Electric Generating S | Utica, IL | 17.2 GWh |
| #744 | Boulder | Boulder, UT | 17.2 GWh |
| #745 | South Canal Hydro-1 | Montrose, CO | 17.1 GWh |
| #746 | Haypress | Sierra City, CA | 17.1 GWh |
| #747 | Chace Mill Winooski One | Winooski, VT | 17.1 GWh |
| #748 | Shoshone (WY) | Cody, WY | 17.1 GWh |
| #749 | Camanche | Clements & Wallace, CA | 17.1 GWh |
| #750 | Upper Molina | Molina, CO | 17.1 GWh |
| #751 | Spaulding 3 | Emigrant Gap, CA | 16.9 GWh |
| #752 | Elephant Butte | Truth or Consequences, NM | 16.6 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Orono B.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Brewer (CSG) | Brewer, ME | 7.0 GWh | 6.5 mi |
| BRNG Nicolin (CSG) | Ellsworth, ME | 5.8 GWh | 19.7 mi |
| Broadway Solar (CSG) | Bangor, ME | 6.3 GWh | 7.8 mi |
| Bucksport Generation LLC | Bucksport, ME | 26.7 GWh | 22.5 mi |
| BWC Jimmie Pond | Hampden, ME | 3.3 GWh | 12.8 mi |
| Dynamic - Exeter Solar CSG | Exeter, ME | 6.3 GWh | 21.8 mi |
| Dynamic - Glenburn Broadway One (CSG) | Glenburn, ME | 6.2 GWh | 9.2 mi |
| Dynamic Corinth (CSG) | Corinth, ME | 9.8 GWh | 19.8 mi |
| Eastern Maine Medical Center | Bangor, ME | 26.4 GWh | 6.8 mi |
| Maine Independence Station | Veazie, ME | 1.4 TWh | 4.7 mi |
| ME CDG 004 | Bangor, ME | 3.0 GWh | 7.1 mi |
| ME CDG 005 | Veazie, ME | 2.8 GWh | 3.6 mi |
| Milford Hydro Station | Milford, ME | 35.9 GWh | 4.1 mi |
| Orono Hydro Station | Orono, ME | 6.2 GWh | 0.3 mi |
| Penobscot Narrows Solar I | Bucksport, ME | 7.2 GWh | 21.5 mi |
| Pisgah Mountain Wind | Clifton, ME | 28.3 GWh | 10.1 mi |
| Silver Maple | Clifton, ME | 63.9 GWh | 10 mi |
| SP-231 Clifton | Clifton, ME | 5.4 GWh | 7.9 mi |
| Stillwater B | Old Town, ME | 9.4 GWh | 2.2 mi |
| Stillwater Hydro Station | Stillwater, ME | 5.9 GWh | 2 mi |