Ralston
9600 Blacksmith Flat Rd., Foresthill, CA 95631Plant Summary Information
Ralston is ranked #34 out of 206 hydroelectric power plants in California in terms of total annual net electricity generation.
Ralston is comprised of 1 generator and generated 18.8 GWh during the 3-month period between September 2024 to December 2024.
| Plant Name | Ralston |
|---|---|
| Utility Name | Placer County Water Agency |
| Location | Placer County, CA |
| Initial Operation Date | October 1966 |
| Last Update | Dec 2024 |
| Annual Generation | 328.1 GWh |
| Annual Consumption | 1.2 M MMBtu |
| Ranked #1,819 out of 12,327 Power Plants Nationwide | |
| Ranked #145 out of 1,323 Water Power Plants Nationwide | |
| Ranked #153 out of 1,567 California Power Plants | |
| Ranked #34 out of 206 California Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Ralston
Ralston Details
| Summary Information | |
|---|---|
| Plant Name | Ralston (427) |
| Plant Address | 9600 Blacksmith Flat Rd., Foresthill, CA 95631 |
| Utility | Placer County Water Agency (15127) |
| Latitude, Longitude | 39.001, -120.72505 |
| Generation Dates on File | Jan 2001 to Dec 2024 |
| Initial Operation Date | October 1966 |
| Annual Generation | 328.1 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 | California Independent System Operator (CISO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Rubicon River |
| Ash Impoundment | |
| Transmission / Distribution Owner | Pacific Gas & Electric Co (14328) CA |
| Grid Voltage | 230.00 kV |
| Energy Storage | No |
Generator 1 Details Operating October 1966
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 79.2 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 86 MW |
| Winter Capacity | 86 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | October 1966 |
| 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 |
Ralston 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 |
|---|---|---|---|
| #135 | S C Moore | Littleton, NH | 341.5 GWh |
| #136 | Cherokee Dam | Rudledge, TN | 341.4 GWh |
| #137 | Haas | Balch Camp, CA | 341.1 GWh |
| #138 | Cresta | Storrie, CA | 338.1 GWh |
| #139 | Spring Creek | Redding, CA | 338.1 GWh |
| #140 | Wyman Hydro | Bingham, ME | 337.1 GWh |
| #141 | Pit 3 | Burney, CA | 332.8 GWh |
| #142 | Snettisham | Juneau, AK | 332.7 GWh |
| #143 | Bliss | Bliss, ID | 332.6 GWh |
| #144 | Rainbow (MT) | Great Falls, MT | 329.0 GWh |
| #146 | Chelan | Wenatchee, WA | 328.0 GWh |
| #147 | Lower Baker | Concrete, WA | 326.7 GWh |
| #148 | Curtis Palmer Hydroelectric | Corinth, NY | 326.5 GWh |
| #149 | Smithland Hydroelectric Plant | Smithland, KY | 325.3 GWh |
| #150 | Thermalito | Oroville, CA | 322.4 GWh |
| #151 | Upper Baker | Concrete, WA | 317.8 GWh |
| #152 | Stanislaus | Vallecito, CA | 315.8 GWh |
| #153 | Ozark | Ozark, AR | 314.7 GWh |
| #154 | Morrow Point | Montrose, CO | 309.8 GWh |
| #155 | Martin Dam | Dadeville, AL | 305.9 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Ralston.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alta Powerhouse | Alta, CA | 1.4 GWh | 15.4 mi |
| Camino | Camino, CA | 271.2 GWh | 15.6 mi |
| Chicago Park | Colfax, CA | 59.8 GWh | 15.1 mi |
| Chili Bar | Placerville, CA | 32.8 GWh | 16.5 mi |
| Combie South | Auburn, CA | 3.7 GWh | 17.9 mi |
| Drum 1 | Alta, CA | 46.4 GWh | 17.8 mi |
| Drum 2 | Alta, CA | 148.6 GWh | 17.9 mi |
| Dutch Flat | Alta, CA | 27.1 GWh | 16.1 mi |
| Dutch Flat 2 | Dutch Flat, CA | 14.5 GWh | 16.1 mi |
| El Dorado | Pollock Pines, CA | 80.9 GWh | 15.4 mi |
| French Meadows | Foresthill, CA | 50.8 GWh | 17.9 mi |
| Halsey | Auburn, CA | 7.6 GWh | 17.3 mi |
| Jaybird | Camino, CA | 423.1 GWh | 15.5 mi |
| Jones Fork | Fresh Pond, CA | 8.6 GWh | 21.2 mi |
| Middle Fork | Foresthill, CA | 437.7 GWh | 7.1 mi |
| Oxbow (CA) | Foresthill, CA | 29.2 GWh | 1.2 mi |
| Robbs Peak | Fresh Pond, CA | 37.0 GWh | 20 mi |
| Rollins | Colfax, CA | 38.6 GWh | 15.3 mi |
| Union Valley | Fresh Pond, CA | 76.5 GWh | 17.8 mi |
| White Rock/Slab Creek | Placerville, CA | 392.3 GWh | 16.6 mi |