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 #8,911 out of 13,081 Power Plants Nationwide | |
| Ranked #1,130 out of 1,311 Water Power Plants Nationwide | |
| Ranked #195 out of 236 Maine Power Plants | |
| Ranked #42 out of 50 Maine Water Power Plants | |
| Fuel Types | Water |
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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 |
|---|---|---|---|
| #1120 | Heuvelton | Village of Heuvelton, NY | 4.2 GWh |
| #1121 | Potato Rapids | Town of Porterfield, WI | 4.2 GWh |
| #1122 | Granite | Salt lake City, UT | 4.2 GWh |
| #1123 | Johnsonville Dam | Johnsonville, NY | 4.2 GWh |
| #1124 | Park Mill | Marinette, WI | 4.2 GWh |
| #1125 | Stairs | Salt Lake City, UT | 4.1 GWh |
| #1126 | Gardiner | Gardiner, ME | 4.1 GWh |
| #1127 | Carver Falls | Hampton, NY | 4.1 GWh |
| #1128 | Luray Hydro Station | Luray, VA | 4.1 GWh |
| #1129 | Flambeau Crowley Rapids Project | Park Falls, WI | 4.0 GWh |
| #1131 | Texon Hydroelectric Project | Russell, MA | 3.9 GWh |
| #1132 | Causey | South Fork, UT | 3.9 GWh |
| #1133 | Cascade Dam (MI) | Grand Rapids, MI | 3.9 GWh |
| #1134 | Constantine | Constantine, MI | 3.9 GWh |
| #1135 | Port Leyden Hydroelectric Project | Port Leyden, NY | 3.9 GWh |
| #1136 | Marshfield 6 | Marshfield, VT | 3.9 GWh |
| #1137 | Theresa Plant | Theresa, NY | 3.9 GWh |
| #1138 | Ponderosa Bailey Creek | Manton, CA | 3.9 GWh |
| #1139 | Lacomb Irrigation District | Lebanon, OR | 3.8 GWh |
| #1140 | 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 - Gray Solar | Gray, ME | 5.2 GWh | 14.1 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 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 | 7.8 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 |
| Shaker | Gray, ME | 6.2 GWh | 14.4 mi |
| SP-339 Mechanic Falls | Mechanic Falls, ME | 1.4 GWh | 7.1 mi |
| Worumbo Hydro Station | Lisbon Falls, ME | 74.3 GWh | 10.5 mi |