Lake Mendocino
1229 Lake Mendocino Drive, Ukiah, CA 95482Plant Summary Information
Lake Mendocino is ranked #138 out of 207 hydroelectric power plants in California in terms of total annual net electricity generation.
Lake Mendocino is comprised of 2 generators and generated 2.3 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Lake Mendocino |
|---|---|
| Utility Name | City of Ukiah - (CA) |
| Location | Mendocino County, CA |
| Initial Operation Date | May 1987 |
| Last Update | Dec 2025 |
| Annual Generation | 12.3 GWh |
| Annual Consumption | 44.8 k MMBtu |
| Ranked #5,928 out of 13,081 Power Plants Nationwide | |
| Ranked #837 out of 1,311 Water Power Plants Nationwide | |
| Ranked #779 out of 1,606 California Power Plants | |
| Ranked #138 out of 207 California Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Lake Mendocino
Monthly Plant Fuel Consumption for Lake Mendocino
Lake Mendocino Details
| Summary Information | |
|---|---|
| Plant Name | Lake Mendocino (7489) |
| Plant Address | 1229 Lake Mendocino Drive, Ukiah, CA 95482 |
| Utility | City of Ukiah - (CA) (19397) |
| Latitude, Longitude | 39.19722, -123.18556 |
| Generation Dates on File | Jan 2007 to Dec 2025 |
| Initial Operation Date | May 1987 |
| Annual Generation | 12.3 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 | Lake Mendocino |
| Ash Impoundment | No |
| Transmission / Distribution Owner | City of Ukiah - (CA) (19397) CA |
| Grid Voltage | 12.00 kV |
| Energy Storage | No |
Generator G1 Details Operating May 1987
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | N/A |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | N/A |
| Nameplate Capacity | 1 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1 MW |
| Winter Capacity | 1 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | May 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 | 10M |
| Multiple Fuels | No |
Generator G2 Details Operating May 1987
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 2.5 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 2.5 MW |
| Winter Capacity | 2.5 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | May 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 | 10M |
| Multiple Fuels | No |
Lake Mendocino 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 |
|---|---|---|---|
| #827 | Brainerd Public Utilities | Brainerd, MN | 12.7 GWh |
| #828 | Juniper Ridge Hydroelectric Project | Bend, OR | 12.7 GWh |
| #829 | Calligan Creek Hydroelectric Project | Snoqualmie, WA | 12.6 GWh |
| #830 | Eagle Pass | Eagle Pass, TX | 12.6 GWh |
| #831 | Brassua Hydroelectric Project | Rockwood, ME | 12.6 GWh |
| #832 | Dixon Hydroelectric Dam | Dixon, IL | 12.5 GWh |
| #833 | Hewittville Hydroelectric | Norwood, NY | 12.4 GWh |
| #834 | Packaging of America Tomahawk Mill | Tomahawk, WI | 113.1 GWh |
| #835 | Brule | Florence, WI | 12.4 GWh |
| #836 | South Canal Hydro-3 | Montrose, CO | 12.3 GWh |
| #838 | Swinging Bridge 2 | Forestburgh, NY | 12.3 GWh |
| #839 | Stampede | Truckee, CA | 12.2 GWh |
| #840 | Appleton | Appleton, WI | 12.2 GWh |
| #841 | Slate Creek | Lakehead, CA | 12.2 GWh |
| #842 | Williams Fork Hydro Plant | Parshall, CO | 12.1 GWh |
| #843 | Tri-County Water Hydropower Project | Ridgway, CO | 12.0 GWh |
| #844 | Huntington Falls | Weybridge, VT | 12.0 GWh |
| #845 | Norway (IN) | Monticello, IN | 12.0 GWh |
| #846 | Oconto Falls Upper | Oconto Falls, WI | 12.0 GWh |
| #847 | Dashville | Dashville, NY | 11.9 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Lake Mendocino.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Abel Road Bioenergy | Williams, CA | 22.7 GWh | 57.3 mi |
| Aidlin Geothermal Power Plant | Middletown, CA | 82.4 GWh | 30 mi |
| ASTI | Cloverdale, CA | 1.2 GWh | 32.2 mi |
| Beringer | Saint Helena, CA | 1.6 GWh | 60.8 mi |
| Calistoga Power Plant | Middletown, CA | 453.8 GWh | 36.9 mi |
| Cloverdale Solar Center | Cloverdale, CA | 1.8 GWh | 30.8 mi |
| Cloverdale Solar I | Cloverdale, CA | 1.5 GWh | 30.7 mi |
| Colusa Generating Station | Maxwell, CA | 2.0 TWh | 50.3 mi |
| Dissigno Healdsburg FPV, LLC | Healdsburg, CA | 5.6 GWh | 45.7 mi |
| Geothermal 1 | Middletown, CA | 307.7 GWh | 39.7 mi |
| Geothermal 2 | Middletown, CA | 363.4 GWh | 40.1 mi |
| Geysers Unit 5-20 | Middletown, CA | 4.2 TWh | 37.5 mi |
| Indian Valley Dam Hydro Project | Clearlake Oaks, CA | 11.2 GWh | 35.8 mi |
| Keysight - Santa Rosa | Santa Rosa, CA | 34.5 GWh | 55.6 mi |
| Santa Rosa Junior College Petaluma Solar | Petaluma, CA | 1.7 GWh | 56.2 mi |
| Sonoma California Geothermal | Middletown, CA | 435.6 GWh | 36.4 mi |
| Stony Gorge | Elk Creek, CA | 8.9 GWh | 44 mi |
| Sutter Santa Rosa Solar | Santa Rosa, CA | 2.1 GWh | 53.9 mi |
| Wadham Energy | Williams, CA | 144.5 GWh | 58 mi |
| Windsor Floating Solar | Windsor, CA | 2.6 GWh | 49.6 mi |