Middle Fork
5000 Mosquito Ridge Rd., Foresthill, CA 95631Plant Summary Information
Middle Fork is ranked #18 out of 221 hydroelectric power plants in California in terms of total annual net electricity generation.
Middle Fork is comprised of 2 generators and generated 51.3 GWh during the 3-month period between November 2024 to February 2025.
| Plant Name | Middle Fork |
|---|---|
| Utility Name | Placer County Water Agency |
| Location | Placer County, CA |
| Initial Operation Date | October 1966 |
| Last Update | Feb 2025 |
| Annual Generation | 438.7 GWh |
| Annual Consumption | 1.5 M MMBtu |
| Ranked #1,422 out of 11,993 Power Plants Nationwide | |
| Ranked #97 out of 1,370 Water Power Plants Nationwide | |
| Ranked #97 out of 1,579 California Power Plants | |
| Ranked #18 out of 221 California Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Middle Fork
Middle Fork Details
| Summary Information | |
|---|---|
| Plant Name | Middle Fork (425) |
| Plant Address | 5000 Mosquito Ridge Rd., Foresthill, CA 95631 |
| Utility | Placer County Water Agency (15127) |
| Latitude, Longitude | 39.0248, -120.59638 |
| Generation Dates on File | Jan 2001 to Feb 2025 |
| Initial Operation Date | October 1966 |
| Annual Generation | 438.7 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 | 61.2 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 66 MW |
| Winter Capacity | 66 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 |
Generator 2 Details Operating October 1966
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 61.2 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 66 MW |
| Winter Capacity | 66 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 |
Middle Fork Plant Owners
| Owner Name | Address | Generator | 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 |
|---|---|---|---|
| #87 | Narrows (NC) | Badin, NC | 462.5 GWh |
| #88 | White Rock/Slab Creek | Placerville, CA | 461.2 GWh |
| #89 | Cannelton Hydroelectric Plant | Hawesville, KY | 460.6 GWh |
| #90 | Ralston | Foresthill, CA | 459.9 GWh |
| #91 | New Melones | Jamestown, CA | 459.1 GWh |
| #92 | Lay Dam | Clanton, AL | 454.7 GWh |
| #93 | Guntersville | Guntersville, AL | 453.4 GWh |
| #94 | Cheoah | Tapoco, NC | 447.8 GWh |
| #95 | Summer Falls Power Plant | Coulee City, WA | 447.2 GWh |
| #96 | Pit 5 | Big Bend, CA | 445.0 GWh |
| #98 | Haas | Balch Camp, CA | 438.5 GWh |
| #99 | Apalachia | Reliance, TN | 435.9 GWh |
| #100 | Jaybird | Camino, CA | 435.2 GWh |
| #101 | Hawks Nest Hydro | Gauley Bridge, WV | 435.2 GWh |
| #102 | R C Kirkwood | Groveland, CA | 429.5 GWh |
| #103 | Walter F George | Ft. Gaines, GA | 426.4 GWh |
| #104 | Dardanelle | Dardanelle, AR | 426.2 GWh |
| #105 | Don Pedro | La Grange, CA | 425.8 GWh |
| #106 | Kerckhoff 2 | Auberry, CA | 420.4 GWh |
| #107 | Ross | Rockport, WA | 418.1 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Middle Fork.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alta Powerhouse | Alta, CA | 2.5 GWh | 17.3 mi |
| Camino | Camino, CA | 278.9 GWh | 13.9 mi |
| Chicago Park | Colfax, CA | 134.7 GWh | 19 mi |
| Drum 1 | Alta, CA | 88.2 GWh | 18.5 mi |
| Drum 2 | Alta, CA | 271.0 GWh | 18.5 mi |
| Dutch Flat | Alta, CA | 112.1 GWh | 18.5 mi |
| Dutch Flat 2 | Dutch Flat, CA | 46.7 GWh | 18.5 mi |
| El Dorado | Pollock Pines, CA | 101.0 GWh | 16 mi |
| French Meadows | Foresthill, CA | 67.4 GWh | 10.9 mi |
| Jaybird | Camino, CA | 435.2 GWh | 13.6 mi |
| Jones Fork | Fresh Pond, CA | 29.1 GWh | 16.7 mi |
| Loon Lake | Fresh Pond, CA | 126.4 GWh | 14.9 mi |
| Oxbow (CA) | Foresthill, CA | 13.8 GWh | 8.2 mi |
| Ralston | Foresthill, CA | 459.9 GWh | 7.1 mi |
| Robbs Peak | Fresh Pond, CA | 69.1 GWh | 14.7 mi |
| Rock Creek LP | Placerville, CA | 1.0 GWh | 19.3 mi |
| Rollins | Colfax, CA | 73.1 GWh | 20.6 mi |
| Spaulding 1 | Emigrant Gap, CA | 36.6 GWh | 20.9 mi |
| Union Valley | Fresh Pond, CA | 168.2 GWh | 13.8 mi |
| White Rock/Slab Creek | Placerville, CA | 461.2 GWh | 20.7 mi |