Upper Barker
146 Mill Street, Auburn, ME 4210Plant Summary Information
Upper Barker is ranked #42 out of 50 hydroelectric power plants in Maine in terms of total annual net electricity generation.
Upper Barker is comprised of 1 generator and generated 580.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Upper Barker |
|---|---|
| Utility Name | KEI (Maine) Power Management (III) LLC |
| Location | Androscoggin County, ME |
| Initial Operation Date | May 1987 |
| Last Update | Dec 2025 |
| Annual Generation | 4.0 GWh |
| Annual Consumption | 15.2 k MMBtu |
| Ranked #9,025 out of 13,301 Power Plants Nationwide | |
| Ranked #1,135 out of 1,316 Water Power Plants Nationwide | |
| Ranked #199 out of 242 Maine Power Plants | |
| Ranked #42 out of 50 Maine Water Power Plants | |
| Fuel Types | Water |
Map of Upper Barker
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Upper Barker.
Monthly Net Generation for Upper Barker
Monthly Plant Fuel Consumption for Upper Barker
Upper Barker Details
| Summary Information | |
|---|---|
| Plant Name | Upper Barker (52171) |
| Plant Address | 146 Mill Street, Auburn, ME 4210 |
| Utility | KEI (Maine) Power Management (III) LLC (56838) |
| Latitude, Longitude | 44.08687, -70.22929 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | May 1987 |
| Annual Generation | 4.0 GWh |
| Fuel Types | Water |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | 89-229-001 |
| 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 | Little Androscoggin River |
| Ash Impoundment | |
| Transmission / Distribution Owner | Central Maine Power Co (3266) ME |
| Grid Voltage | 12.00 kV |
| Energy Storage | No |
Generator GEN1 Details Operating May 1987
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 1 MW |
| Nameplate Power Factor | 0.99 |
| Summer Capacity | 1 MW |
| Winter Capacity | 1 MW |
| Minimum Load | 0.2 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 1987 |
|---|---|
| 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 |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
Upper Barker Plant Owners
| Owner Name | Address | 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 |
|---|---|---|---|
| #1125 | Potato Rapids | Town of Porterfield, WI | 4.2 GWh |
| #1126 | Granite | Salt lake City, UT | 4.2 GWh |
| #1127 | Johnsonville Dam | Johnsonville, NY | 4.2 GWh |
| #1128 | Park Mill | Marinette, WI | 4.2 GWh |
| #1129 | Stairs | Salt Lake City, UT | 4.1 GWh |
| #1130 | Gardiner | Gardiner, ME | 4.1 GWh |
| #1131 | Carver Falls | Hampton, NY | 4.1 GWh |
| #1132 | Luray Hydro Station | Luray, VA | 4.1 GWh |
| #1133 | Flambeau Crowley Rapids Project | Park Falls, WI | 4.0 GWh |
| #1134 | Eagle Pass | Eagle Pass, TX | 4.0 GWh |
| #1136 | Texon Hydroelectric Project | Russell, MA | 3.9 GWh |
| #1137 | Causey | South Fork, UT | 3.9 GWh |
| #1138 | Cascade Dam (MI) | Grand Rapids, MI | 3.9 GWh |
| #1139 | Constantine | Constantine, MI | 3.9 GWh |
| #1140 | Port Leyden Hydroelectric Project | Port Leyden, NY | 3.9 GWh |
| #1141 | Marshfield 6 | Marshfield, VT | 3.9 GWh |
| #1142 | Theresa Plant | Theresa, NY | 3.9 GWh |
| #1143 | Ponderosa Bailey Creek | Manton, CA | 3.9 GWh |
| #1144 | Lacomb Irrigation District | Lebanon, OR | 3.8 GWh |
| #1145 | Pelzer Upper | Petzer, SC | 3.8 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Upper Barker.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Barker Lower | Auburn, ME | 3.8 GWh | 0 mi |
| Cenergy - Pulk | Sabattus, ME | 7.6 GWh | 6.1 mi |
| Charles E Monty | Lewiston, ME | 114.4 GWh | 1 mi |
| Deer Rips | Auburn, ME | 50.8 GWh | 3.5 mi |
| Dynamic - Wales Leeds Junction Road (CSG) | Wales, ME | 6.7 GWh | 11.1 mi |
| Gulf Island | Lewiston, ME | 115.0 GWh | 4.7 mi |
| Lewiston Junction Road Solar | Poland, ME | 6.8 GWh | 4.6 mi |
| Lisbon CSG LLC | Lisbon, ME | 142.0 MWh | 7.7 mi |
| Lisbon Street Solar | Lewiston, ME | 2.7 GWh | 4.2 mi |
| MD - EDFR - Phase II - Lewiston | Lewiston, ME | 7.7 GWh | 4.6 mi |
| Mechanic Falls | Mechanic Falls, ME | 1.9 GWh | 8.2 mi |
| Merrill Road Solar | Lewiston, ME | 6.3 GWh | 5.2 mi |
| MMWAC Resource Recovery Facility | Auburn, ME | 7.4 GWh | 2 mi |
| Monmouth | Monmouth, ME | 9.5 GWh | 12.6 mi |
| Oxford PV - BD Solar Oxford LLC | Oxford, ME | 12.9 GWh | 13 mi |
| Pejepscot Hydroelectric Project | Topsham, ME | 49.7 GWh | 13.6 mi |
| Sabattus SB01 | Sabattus, ME | 7.7 GWh | 6.5 mi |
| SP-339 Mechanic Falls | Mechanic Falls, ME | 1.4 GWh | 7.1 mi |
| Turner CSG LLC | Turner, ME | 428.0 MWh | 13.3 mi |
| Worumbo Hydro Station | Lisbon Falls, ME | 74.3 GWh | 10.5 mi |