Twin Reservoirs
581 Mill Creek Road, Walla Walla, WA 99362Plant Summary Information
Twin Reservoirs is ranked #63 out of 70 hydroelectric power plants in Washington in terms of total annual net electricity generation.
Twin Reservoirs is comprised of 1 generator and generated 1.4 GWh during the 3-month period between September 2024 to December 2024.
| Plant Name | Twin Reservoirs |
|---|---|
| Utility Name | Walla Walla City of |
| Location | Walla Walla County, WA |
| Initial Operation Date | April 1988 |
| Last Update | Dec 2024 |
| Annual Generation | 7.3 GWh |
| Annual Consumption | 27.1 k MMBtu |
| Ranked #7,138 out of 12,539 Power Plants Nationwide | |
| Ranked #1,031 out of 1,332 Water Power Plants Nationwide | |
| Ranked #117 out of 133 Washington Power Plants | |
| Ranked #63 out of 70 Washington Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Twin Reservoirs
Twin Reservoirs Details
| Summary Information | |
|---|---|
| Plant Name | Twin Reservoirs (50382) |
| Plant Address | 581 Mill Creek Road, Walla Walla, WA 99362 |
| Utility | Walla Walla City of (20032) |
| Latitude, Longitude | 46.08833, -118.25472 |
| Generation Dates on File | Jan 2001 to Dec 2024 |
| Initial Operation Date | April 1988 |
| Annual Generation | 7.3 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 | 86-342-000 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | Bonneville Power Administration (BPAT) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | Mill Creek |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Columbia Rural Elec Assn, Inc (4041) WA |
| Grid Voltage | 14.40 kV |
| Energy Storage | No |
Generator GEN1 Details Operating April 1988
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 2.2 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1.8 MW |
| Winter Capacity | 1.5 MW |
| Minimum Load | 0.4 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | April 1988 |
| 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 |
| Multiple Fuels | No |
Twin Reservoirs 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 |
|---|---|---|---|
| #1021 | Thornapple | Bruce, WI | 7.6 GWh |
| #1022 | Niagara | Vinton, VA | 7.6 GWh |
| #1023 | Halsey | Auburn, CA | 7.6 GWh |
| #1024 | Wappinger Falls Hydroelectric | Wappinger Falls, NY | 7.6 GWh |
| #1025 | Macomb | Malone, NY | 7.5 GWh |
| #1026 | Newcastle | Auburn, CA | 7.5 GWh |
| #1027 | Superior Falls | Ironwood, MI | 7.5 GWh |
| #1028 | Bear Creek (CA) | Shingletown, CA | 7.4 GWh |
| #1029 | Pembroke Hydro | Suncook, NH | 7.4 GWh |
| #1030 | Slate Creek | Lakehead, CA | 7.3 GWh |
| #1032 | MC6 Hydro Facility | Kuna, ID | 7.3 GWh |
| #1033 | Redlands Water & Power | Grand Junction, CO | 7.3 GWh |
| #1034 | Lundy | Lee Vining, CA | 7.3 GWh |
| #1035 | Peters Drive Plant | Hood River, OR | 7.3 GWh |
| #1036 | Sibley Mill | Augusta, GA | 7.2 GWh |
| #1037 | International Paper Jay Hydro | Jay, ME | 7.1 GWh |
| #1038 | Saluda Dam | Greenville, SC | 7.1 GWh |
| #1039 | Turlock Lake | Hickman, CA | 7.0 GWh |
| #1040 | Roaring Creek Water Power | Montgomery Creek, CA | 7.0 GWh |
| #1041 | Stillwater Hydro Station | Stillwater, ME | 7.0 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Twin Reservoirs.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Chopin Wind LLC | Milton-Freewater, OR | 28.8 GWh | 17.5 mi |
| Combine Hills I | Milton-Freewater, OR | 73.0 GWh | 19 mi |
| Eltopia Branch Canal 4.6 | Pasco, WA | 8.0 GWh | 51.8 mi |
| Eurus Combine Hills Turbine Ranch 2 | Milton Freewater, OR | 163.6 GWh | 19 mi |
| FPL Energy Vansycle LLC (OR) | Touchet, OR | 257.0 GWh | 27.4 mi |
| FPL Energy Vansycle LLC (WA) | Touchet, WA | 370.3 GWh | 31.8 mi |
| Hopkins Ridge Wind | Dayton, WA | 350.9 GWh | 30.6 mi |
| Ice Harbor | Burbank, WA | 1.4 TWh | 31.9 mi |
| Little Goose | Dayton, WA | 1.5 TWh | 35.9 mi |
| Lower Monumental | Kahlotus, WA | 1.4 TWh | 35.5 mi |
| Lower Snake River Wind Energy Project | Pomeroy, WA | 785.6 GWh | 36.5 mi |
| Marengo Wind Plant | Dayton, WA | 692.7 GWh | 30.2 mi |
| McNary | Umatilla, OR | 3.7 TWh | 51.1 mi |
| McNary Dam Fish Attraction Project | Plymouth, WA | 64.2 GWh | 51.1 mi |
| Nine Canyon | Kennewick, WA | 209.3 GWh | 40.3 mi |
| Potholes East Canal 66.0 | Pasco, WA | 4.8 GWh | 51.8 mi |
| Schumann Wind Farm | Milton-Freewater, OR | 24.1 GWh | 17.1 mi |
| Tucannon River Wind Farm | Dayton, WA | 808.3 GWh | 25.4 mi |
| Vansycle | Touchet, OR | 60.0 GWh | 22.1 mi |
| Vansycle II Wind Energy Center | Athena, OR | 357.3 GWh | 20.8 mi |