Ralston
9600 Blacksmith Flat Rd., Foresthill, CA 95631Plant Summary Information
Ralston is ranked #20 out of 222 hydroelectric power plants in California in terms of total annual net electricity generation.
Ralston is comprised of 1 generator and generated 32.8 GWh during the 3-month period between September 2023 to December 2023.
| Plant Name | Ralston |
|---|---|
| Utility Name | Placer County Water Agency |
| Location | Placer County, CA |
| Initial Operation Date | October 1966 |
| Last Update | Dec 2023 |
| Annual Generation | 459.9 GWh |
| Annual Consumption | 1.6 M MMBtu |
| Ranked #1,366 out of 11,852 Power Plants Nationwide | |
| Ranked #94 out of 1,371 Water Power Plants Nationwide | |
| Ranked #94 out of 1,570 California Power Plants | |
| Ranked #20 out of 222 California Water Power Plants | |
| Fuel Types | Water |
Map of Ralston
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Ralston.
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 2023 |
| Initial Operation Date | October 1966 |
| Annual Generation | 459.9 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 | 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 |
|---|---|---|---|
| #84 | Don Pedro | La Grange, CA | 491.6 GWh |
| #85 | Balch 2 | Balch Camp, CA | 489.7 GWh |
| #86 | Ryan | Great Falls, MT | 486.3 GWh |
| #87 | Pine Flat | Piedra, CA | 485.0 GWh |
| #88 | Middle Fork | Foresthill, CA | 475.6 GWh |
| #89 | Merwin | Ariel, WA | 471.6 GWh |
| #90 | Wolf Creek | Jamestown, KY | 470.5 GWh |
| #91 | White Rock/Slab Creek | Placerville, CA | 470.3 GWh |
| #92 | Narrows (NC) | Badin, NC | 462.5 GWh |
| #93 | Cannelton Hydroelectric Plant | Hawesville, KY | 460.6 GWh |
| #95 | Lay Dam | Clanton, AL | 454.7 GWh |
| #96 | Guntersville | Guntersville, AL | 453.4 GWh |
| #97 | Cheoah | Tapoco, NC | 447.8 GWh |
| #98 | Summer Falls Power Plant | Coulee City, WA | 447.2 GWh |
| #99 | Fairfield Pumped Storage | Jenkinsville, SC | 442.4 GWh |
| #100 | Apalachia | Reliance, TN | 435.9 GWh |
| #101 | Hawks Nest Hydro | Gauley Bridge, WV | 435.2 GWh |
| #102 | R C Kirkwood | Groveland, CA | 434.9 GWh |
| #103 | Jaybird | Camino, CA | 431.9 GWh |
| #104 | Big Creek 4 | North Fork, CA | 428.0 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Ralston.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alta Powerhouse | Alta, CA | 2.5 GWh | 15.4 mi |
| Camino | Camino, CA | 282.3 GWh | 15.6 mi |
| Chicago Park | Colfax, CA | 134.7 GWh | 15.1 mi |
| Chili Bar | Placerville, CA | 43.5 GWh | 16.5 mi |
| Combie South | Auburn, CA | 6.8 GWh | 17.9 mi |
| Drum 1 | Alta, CA | 88.2 GWh | 17.8 mi |
| Drum 2 | Alta, CA | 271.0 GWh | 17.9 mi |
| Dutch Flat | Alta, CA | 112.1 GWh | 16.1 mi |
| Dutch Flat 2 | Dutch Flat, CA | 46.7 GWh | 16.1 mi |
| El Dorado | Pollock Pines, CA | 101.0 GWh | 15.4 mi |
| French Meadows | Foresthill, CA | 67.4 GWh | 17.9 mi |
| Halsey | Auburn, CA | 7.3 GWh | 17.3 mi |
| Jaybird | Camino, CA | 431.9 GWh | 15.5 mi |
| Middle Fork | Foresthill, CA | 475.6 GWh | 7.1 mi |
| Oxbow (CA) | Foresthill, CA | 13.8 GWh | 1.2 mi |
| Robbs Peak | Fresh Pond, CA | 69.1 GWh | 20 mi |
| Rock Creek LP | Placerville, CA | 1.0 GWh | 15.3 mi |
| Rollins | Colfax, CA | 73.1 GWh | 15.3 mi |
| Union Valley | Fresh Pond, CA | 168.2 GWh | 17.8 mi |
| White Rock/Slab Creek | Placerville, CA | 470.3 GWh | 16.6 mi |