Union Valley
Pevine Ridge Rd, Fresh Pond, CA 95725Plant Summary Information
Union Valley is ranked #67 out of 207 hydroelectric power plants in California in terms of total annual net electricity generation.
Union Valley is comprised of 1 generator and generated 13.7 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Union Valley |
|---|---|
| Utility Name | Sacramento Municipal Util Dist |
| Location | El Dorado County, CA |
| Initial Operation Date | October 1963 |
| Last Update | Dec 2025 |
| Annual Generation | 89.1 GWh |
| Annual Consumption | 305.3 k MMBtu |
| Ranked #3,633 out of 13,081 Power Plants Nationwide | |
| Ranked #350 out of 1,311 Water Power Plants Nationwide | |
| Ranked #365 out of 1,606 California Power Plants | |
| Ranked #67 out of 207 California Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Union Valley
Monthly Plant Fuel Consumption for Union Valley
Union Valley Details
| Summary Information | |
|---|---|
| Plant Name | Union Valley (6612) |
| Plant Address | Pevine Ridge Rd, Fresh Pond, CA 95725 |
| Utility | Sacramento Municipal Util Dist (16534) |
| Latitude, Longitude | 38.86429, -120.44434 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | October 1963 |
| Annual Generation | 89.1 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 | WECC |
| Balancing Authority | Balancing Authority of Northern California (BANC) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Silver Creek |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Sacramento Municipal Util Dist (16534) CA |
| Grid Voltage | 230.00 kV |
| Energy Storage | No |
Generator 1 Details Operating October 1963
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 38.6 MW |
| Nameplate Power Factor | 0.95 |
| Summer Capacity | 38.6 MW |
| Winter Capacity | 38.6 MW |
| Minimum Load | 1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 1963 |
| 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 |
Union Valley 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 |
|---|---|---|---|
| #340 | Shepaug | Southbury, CT | 93.3 GWh |
| #341 | Winfield | Winfield, WV | 93.0 GWh |
| #342 | Horse Mesa | Apache Junction, AZ | 92.6 GWh |
| #343 | Upper Salmon A | Hagerman, ID | 92.6 GWh |
| #344 | Shoshone (CO) | Glenwood Springs, CO | 91.8 GWh |
| #345 | Saluda Lexington | Columbia, SC | 91.5 GWh |
| #346 | Bennetts Bridge | Altmar, NY | 90.4 GWh |
| #347 | Stewarts Bridge | Corinth, NY | 90.4 GWh |
| #348 | Mountain Island | Mount Holly, NC | 90.0 GWh |
| #349 | Muck Valley Hydroelectric | NA, CA | 89.8 GWh |
| #351 | Upper Salmon B | Hagerman, ID | 89.1 GWh |
| #352 | Laurel Dam | London, KY | 88.8 GWh |
| #353 | Navajo Dam | Farmington, NM | 88.3 GWh |
| #354 | Goat Rock | Smiths, AL | 88.1 GWh |
| #355 | Smith (NH) | Berlin, NH | 87.5 GWh |
| #356 | Monroe Street | Spokane, WA | 87.5 GWh |
| #357 | Smith Falls Hydro Project | Bonners Ferry, ID | 87.2 GWh |
| #358 | Degray | Arkadelphia, AR | 86.8 GWh |
| #359 | Oxford Dam | Conover, NC | 86.5 GWh |
| #360 | Allegheny Hydro No 9 | Cowansville, PA | 86.4 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Union Valley.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alta Powerhouse | Alta, CA | 2.2 GWh | 31 mi |
| Camino | Camino, CA | 293.9 GWh | 5.6 mi |
| Chili Bar | Placerville, CA | 25.2 GWh | 20.9 mi |
| Drum 1 | Alta, CA | 15.1 GWh | 32.2 mi |
| Drum 2 | Alta, CA | 164.2 GWh | 32.2 mi |
| Dutch Flat | Alta, CA | 66.0 GWh | 32.2 mi |
| El Dorado | Pollock Pines, CA | 80.5 GWh | 10.6 mi |
| El Dorado County | Placerville, CA | 3.0 GWh | 23.7 mi |
| French Meadows | Foresthill, CA | 50.8 GWh | 14.9 mi |
| Jaybird | Camino, CA | 454.3 GWh | 5.1 mi |
| Jones Fork | Fresh Pond, CA | 14.9 GWh | 3.5 mi |
| Loon Lake | Fresh Pond, CA | 78.0 GWh | 10.4 mi |
| Middle Fork | Foresthill, CA | 444.4 GWh | 13.8 mi |
| Oxbow (CA) | Foresthill, CA | 23.2 GWh | 18.9 mi |
| Ralston | Foresthill, CA | 302.6 GWh | 17.8 mi |
| Robbs Peak | Fresh Pond, CA | 41.4 GWh | 4.2 mi |
| Salt Springs | Pioneer, CA | 113.4 GWh | 28.1 mi |
| Tiger Creek | Pioneer, CA | 215.7 GWh | 28.8 mi |
| West Point PH | Pioneer, CA | 18.1 GWh | 31.2 mi |
| White Rock/Slab Creek | Placerville, CA | 446.1 GWh | 19.7 mi |