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 1.9 GWh during the 3-month period between September 2023 to December 2023.
| Plant Name | Twin Reservoirs |
|---|---|
| Utility Name | Walla Walla City of |
| Location | Walla Walla County, WA |
| Initial Operation Date | April 1988 |
| Last Update | Dec 2023 |
| Annual Generation | 8.1 GWh |
| Annual Consumption | 30.1 k MMBtu |
| Ranked #6,574 out of 11,835 Power Plants Nationwide | |
| Ranked #1,032 out of 1,371 Water Power Plants Nationwide | |
| Ranked #118 out of 134 Washington Power Plants | |
| Ranked #63 out of 70 Washington Water Power Plants | |
| Fuel Types | Water |
Map of Twin Reservoirs
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Twin Reservoirs.
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 2023 |
| Initial Operation Date | April 1988 |
| Annual Generation | 8.1 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 |
| Other Planned Modifications | No |
| 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 |
|---|---|---|---|
| #1022 | Annex Creek | Juneau, AK | 8.4 GWh |
| #1023 | Inks | Buchanan Dam, TX | 8.4 GWh |
| #1024 | Oswego Falls West | Fulton, NY | 8.4 GWh |
| #1025 | Lahontan | Fallon, NV | 8.4 GWh |
| #1026 | Diana Hydroelectric | Harrisville, NY | 8.3 GWh |
| #1027 | Milton Hydro | Milton, NH | 8.2 GWh |
| #1028 | Glen | Rutland, VT | 8.2 GWh |
| #1029 | La Grange | La Grange, CA | 8.2 GWh |
| #1030 | Merrill | Merrill, WI | 8.2 GWh |
| #1031 | Sandstone Rapids | Town of Stephenson, WI | 8.2 GWh |
| #1033 | Newfound Hydroelectric | Bristol, NH | 8.1 GWh |
| #1034 | Hailesboro 4 Plant | Hailesboro, NY | 8.1 GWh |
| #1035 | Barker Lower | Auburn, ME | 8.1 GWh |
| #1036 | Dexter Plant | Dexter, NY | 8.1 GWh |
| #1037 | Hydraulic Race | Lockport, NY | 8.1 GWh |
| #1038 | Sylvan | Pillager, MN | 8.0 GWh |
| #1039 | Niagara | Vinton, VA | 8.0 GWh |
| #1040 | Boulder City Silver Lake Hydro | Boulder, CO | 8.0 GWh |
| #1041 | Rochester 26 | Rochester, NY | 7.9 GWh |
| #1042 | Glenwood Hydro | Medina, NY | 7.9 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 | 25.6 GWh | 17.5 mi |
| Combine Hills I | Milton-Freewater, OR | 73.3 GWh | 19 mi |
| Eltopia Branch Canal 4.6 | Pasco, WA | 9.9 GWh | 51.8 mi |
| Eurus Combine Hills Turbine Ranch 2 | Milton Freewater, OR | 146.1 GWh | 19 mi |
| FPL Energy Vansycle LLC (OR) | Touchet, OR | 230.3 GWh | 27.4 mi |
| FPL Energy Vansycle LLC (WA) | Touchet, WA | 331.4 GWh | 31.8 mi |
| Hopkins Ridge Wind | Dayton, WA | 365.5 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 | 1.3 TWh | 35.5 mi |
| Lower Snake River Wind Energy Project | Pomeroy, WA | 780.8 GWh | 36.5 mi |
| Marengo Wind Plant | Dayton, WA | 560.6 GWh | 30.2 mi |
| McNary | Umatilla, OR | 3.6 TWh | 51.1 mi |
| McNary Dam Fish Attraction Project | Plymouth, WA | 73.8 GWh | 51.1 mi |
| Nine Canyon | Kennewick, WA | 194.7 GWh | 40.3 mi |
| Potholes East Canal 66.0 | Pasco, WA | 7.3 GWh | 51.8 mi |
| Schumann Wind Farm | Milton-Freewater, OR | 22.2 GWh | 17.1 mi |
| Tucannon River Wind Farm | Dayton, WA | 678.5 GWh | 25.4 mi |
| Vansycle | Touchet, OR | 61.7 GWh | 22.1 mi |
| Vansycle II Wind Energy Center | Athena, OR | 329.2 GWh | 20.8 mi |