Moccasin Low Head Hydro Project
Hwy 120-49 Junction, Moccasin, CA 95347Plant Summary Information
Moccasin Low Head Hydro Project is ranked #187 out of 207 hydroelectric power plants in California in terms of total annual net electricity generation.
Moccasin Low Head Hydro Project is comprised of 1 generator and generated 157.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Moccasin Low Head Hydro Project |
|---|---|
| Utility Name | City & County of San Francisco - (CA) |
| Location | Tuolumne County, CA |
| Initial Operation Date | July 1987 |
| Last Update | Dec 2025 |
| Annual Generation | 3.3 GWh |
| Annual Consumption | 11.4 k MMBtu |
| Ranked #9,541 out of 13,081 Power Plants Nationwide | |
| Ranked #1,176 out of 1,311 Water Power Plants Nationwide | |
| Ranked #1,217 out of 1,606 California Power Plants | |
| Ranked #187 out of 207 California Water Power Plants | |
| Fuel Types | Water |
| Previous Operator |
City & County of San Francisco (2013 to 2024) City & County of San Francisco - (CA) (2025 to 2025) |
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Monthly Net Generation for Moccasin Low Head Hydro Project
Monthly Plant Fuel Consumption for Moccasin Low Head Hydro Project
Moccasin Low Head Hydro Project Details
| Summary Information | |
|---|---|
| Plant Name | Moccasin Low Head Hydro Project (751) |
| Plant Address | Hwy 120-49 Junction, Moccasin, CA 95347 |
| Utility | City & County of San Francisco - (CA) (16612) |
| Latitude, Longitude | 37.81645, -120.31203 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | July 1987 |
| Annual Generation | 3.3 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 | Moccasin Reservoir |
| Ash Impoundment | |
| Transmission / Distribution Owner | City & County of San Francisco (16612) CA |
| Grid Voltage | 115.00 kV |
| Energy Storage | No |
Generator 1 Details Operating July 1987
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | INTKEP_2_UNITS-APND |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | INTKEP_2_UNITS |
| Nameplate Capacity | 2.9 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 1.5 MW |
| Winter Capacity | 1.5 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 1987 |
| 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 | 1H |
| Multiple Fuels | No |
Moccasin Low Head Hydro Project 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 |
|---|---|---|---|
| #1166 | Oswego Falls West | Fulton, NY | 3.4 GWh |
| #1167 | Yaleville | Norfolk, NY | 3.4 GWh |
| #1168 | Pine View Dam | Ogden, UT | 3.4 GWh |
| #1169 | Cottonwood | Lone Pine, CA | 3.4 GWh |
| #1170 | Boyds Mill Hydro | Ware Shoals, SC | 3.4 GWh |
| #1171 | Fort Miller Hydroelectric Facility | Northumberland, NY | 3.4 GWh |
| #1172 | Koyle Ranch Hydroelectric Project | Gooding, ID | 3.4 GWh |
| #1173 | AJMS, LLC | Shoshone, ID | 3.4 GWh |
| #1174 | Cowiche | Tieton, WA | 3.4 GWh |
| #1175 | Thundermist Hydro | Providence, RI | 3.3 GWh |
| #1177 | Big Thompson | Loveland, CO | 3.3 GWh |
| #1178 | Turlock Lake | Hickman, CA | 3.2 GWh |
| #1179 | Potholes East Canal 66.0 | Pasco, WA | 3.2 GWh |
| #1180 | Lower Beaver Falls Project | Beaver Falls, NY | 3.2 GWh |
| #1181 | Waterloo Hydroelectric Project | Waterloo, NY | 3.1 GWh |
| #1182 | Ford Hydro LP | Weippe, ID | 3.1 GWh |
| #1183 | Lake Creek Dam | Heber City, UT | 3.1 GWh |
| #1184 | Alice Falls Hydro Project | Keeseville, NY | 3.0 GWh |
| #1185 | Center Falls | Greenwich, NY | 3.0 GWh |
| #1186 | High Shoals Hydro (NC) | High Shoals, NC | 3.0 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Moccasin Low Head Hydro Project.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Angels | Angels Camp, CA | 5.9 GWh | 21.6 mi |
| Collierville Powerhouse | Murphys, CA | 396.3 GWh | 23 mi |
| Dion R Holm | Groveland, CA | 577.8 GWh | 19.6 mi |
| Don Pedro | La Grange, CA | 285.7 GWh | 10.2 mi |
| Exchequer | Snelling, CA | 245.8 GWh | 16.2 mi |
| La Grange | La Grange, CA | 6.6 GWh | 12.4 mi |
| McSwain | Snelling, CA | 26.9 GWh | 20.3 mi |
| Merced Falls | Snelling, CA | 9.1 GWh | 20.3 mi |
| Moccasin | Moccasin, CA | 307.6 GWh | 0.9 mi |
| New Melones | Jamestown, CA | 370.0 GWh | 14.8 mi |
| Pacific-Ultrapower Chinese Station | Jamestown, CA | 101.9 GWh | 9.9 mi |
| Phoenix | Sonora, CA | 4.9 GWh | 14.9 mi |
| R C Kirkwood | Groveland, CA | 489.0 GWh | 20 mi |
| Sierra Pacific Chinese Camp | Chinese Camp, CA | 4.5 GWh | 9 mi |
| Sierra Pacific Sonora | Standard, CA | 42.7 GWh | 10.4 mi |
| Sonora 1 | Jamestown, CA | 858.0 MWh | 12.9 mi |
| Stanislaus | Vallecito, CA | 199.8 GWh | 22.5 mi |
| Tulloch | Jamestown, CA | 103.2 GWh | 16.5 mi |
| Turlock Lake | Hickman, CA | 3.2 GWh | 21 mi |
| Upper Dawson | La Grange, CA | 8.9 GWh | 14.4 mi |