Hennepin Island
206 Main St SE, Minneapolis, MN 55401Plant Summary Information
Hennepin Island is ranked #5 out of 26 hydroelectric power plants in Minnesota in terms of total annual net electricity generation.
Hennepin Island is comprised of 5 generators and generated 9.1 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Hennepin Island |
|---|---|
| Utility Name | Northern States Power Co - Minnesota |
| Location | Hennepin County, MN |
| Initial Operation Date | October 1954 |
| Last Update | Dec 2025 |
| Annual Generation | 53.9 GWh |
| Annual Consumption | 192.7 k MMBtu |
| Ranked #4,111 out of 13,081 Power Plants Nationwide | |
| Ranked #456 out of 1,311 Water Power Plants Nationwide | |
| Ranked #87 out of 781 Minnesota Power Plants | |
| Ranked #5 out of 26 Minnesota Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Hennepin Island
Monthly Plant Fuel Consumption for Hennepin Island
Hennepin Island Details
| Summary Information | |
|---|---|
| Plant Name | Hennepin Island (1911) |
| Plant Address | 206 Main St SE, Minneapolis, MN 55401 |
| Utility | Northern States Power Co - Minnesota (13781) |
| Latitude, Longitude | 44.98236, -93.25416 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | October 1954 |
| Annual Generation | 53.9 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 | Regulated |
| NERC Region | MRO |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Mississippi River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Northern States Power Co - Minnesota (13781) MN |
| Grid Voltage | 13.80 kV |
| Energy Storage | No |
Generator 1 Details Operating October 1954
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | NSP MAIN_ST MAIN_S_1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | NSP MAIN_ST MAIN_S_1 |
| Nameplate Capacity | 2.8 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1.2 MW |
| Winter Capacity | 1.4 MW |
| Minimum Load | 0.6 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 1954 |
| Planned Retirement | December 2034 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 4 Details Operating October 1954
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | NSP MAIN_ST MAIN_S_1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | NSP MAIN_ST MAIN_S_1 |
| Nameplate Capacity | 2.8 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1.2 MW |
| Winter Capacity | 1.4 MW |
| Minimum Load | 0.6 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 1954 |
| Planned Retirement | December 2034 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 3 Details Operating October 1955
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | NSP MAIN_ST MAIN_S_1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | NSP MAIN_ST MAIN_S_1 |
| Nameplate Capacity | 2.8 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1.2 MW |
| Winter Capacity | 1.4 MW |
| Minimum Load | 0.6 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 1955 |
| Planned Retirement | December 2034 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 5 Details Operating November 1955
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | NSP MAIN_ST MAIN_S_1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | NSP MAIN_ST MAIN_S_1 |
| Nameplate Capacity | 2.5 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 1.3 MW |
| Winter Capacity | 1.5 MW |
| Minimum Load | 0.6 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | November 1955 |
| Planned Retirement | December 2034 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 2 Details Operating March 1955
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | NSP MAIN_ST MAIN_S_1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | NSP MAIN_ST MAIN_S_1 |
| Nameplate Capacity | 2.8 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1.2 MW |
| Winter Capacity | 1.4 MW |
| Minimum Load | 0.6 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | March 1955 |
| Planned Retirement | December 2034 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Hennepin Island 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 |
|---|---|---|---|
| #446 | Weston Hydro | Skowhegan, ME | 57.0 GWh |
| #447 | Beardsley | None, CA | 56.4 GWh |
| #448 | Chippewa Falls | Chippewa Falls, WI | 56.1 GWh |
| #449 | Rhodhiss | Rhodhiss, NC | 55.9 GWh |
| #450 | C W Tippy | Wellston, MI | 55.5 GWh |
| #451 | Upper Malad | Hagerman, ID | 55.3 GWh |
| #452 | Prospect | Prospect, NY | 55.2 GWh |
| #453 | Stockton Hydro | Stockton, MO | 54.7 GWh |
| #454 | Stone Creek | Estacada, OR | 54.4 GWh |
| #455 | Tesla | Colorado Springs, CO | 53.9 GWh |
| #457 | Cedar Falls (WA) | North Bend, WA | 53.6 GWh |
| #458 | Victoria Dam | Rockland, MI | 53.6 GWh |
| #459 | Parr Hydro | Jenkinsville, SC | 53.3 GWh |
| #460 | Cooper Lake | Cooper Landing, AK | 52.5 GWh |
| #461 | Sheldon Springs Hydroelectric | Sheldon Springs, VT | 52.5 GWh |
| #462 | Mystic | Fishtail, MT | 52.5 GWh |
| #463 | Soda Springs | Idleyld Park, OR | 51.9 GWh |
| #464 | Shoshone Falls | Twin Falls, ID | 51.9 GWh |
| #465 | Upper Gorge | Bishop, CA | 51.9 GWh |
| #466 | Thousand Springs | Wendell, ID | 51.8 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Hennepin Island.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Black Dog | Burnsville, MN | 870.0 GWh | 11.9 mi |
| Blue Lake | Shakopee, MN | 434.8 GWh | 16.1 mi |
| Blue Lake Solar | Shakopee, MN | 3.3 GWh | 15.5 mi |
| Covanta Hennepin Energy | Minneapolis, MN | 194.9 GWh | 1.3 mi |
| High Bridge | St. Paul, MN | 3.3 TWh | 7.8 mi |
| Inver Hills | Inver Grove Heights, MN | 129.5 GWh | 17.4 mi |
| Koda Biomass Plant | Shakopee, MN | 52.7 GWh | 19 mi |
| MNDOT Standby Generation | St. Paul, MN | 51.0 MWh | 7.5 mi |
| MSC-GreyCloud01 Community Solar | St. Paul Park, MN | 1.8 GWh | 17.7 mi |
| SAF Hydroelectric LLC | Minneapolis, MN | 30.2 GWh | 0.4 mi |
| Shakopee Energy Park | Shakopee, MN | 56.8 GWh | 17.7 mi |
| Shakopee Met Council WTP | Shakopee, MN | 1.8 GWh | 15.6 mi |
| St Paul Cogeneration | St. Paul, MN | 74.5 GWh | 8.2 mi |
| St. Paul Intl Airport Red & Blue Parking | St. Paul, MN | 2.2 GWh | 7.4 mi |
| STAG St. Paul Project CSG | Saint Paul, MN | 1.5 GWh | 13 mi |
| Thomson Reuters Campus Bldg A-D | Eagan, MN | 34.0 MWh | 13.1 mi |
| Twin Cities Hydro LLC | St. Paul, MN | 97.1 GWh | 5.3 mi |
| Univ Minnesota CHP Plant | Minneapolis, MN | 172.0 GWh | 0.7 mi |
| West Group Data Center | Eagan, MN | 34.0 MWh | 12.8 mi |
| Woodbury Solar | Woodbury, MN | 3.6 GWh | 15.6 mi |