Summary of Electricity Activity in Mariposa County, CA
Summary of Mariposa County, CA Generation
Mariposa County, CA is ranked #1,235 out of 2,193 U.S. counties nationwide and #42 out of 55 California counties in terms of total annual net electricity generation.
| Annual Generation | 272.7 GWh |
|---|---|
| Annual Consumption | 948.9 k MMBtu |
| Last Update | Dec 2025 |
| Power Plants | 2 |
| Companies on File | 1 |
Map of Top Producing Plants in Mariposa County, CA
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Annual Net Generation From hydroelectric power
272.7 GWh
National Rank in Terms of hydroelectric Net Electricity Generation
#143 /536 U.S. Counties
State Rank in Terms of hydroelectric Net Electricity Generation
#17 /38 California Counties
Monthly Net Generation for Mariposa County, CA
Monthly Plant Fuel Consumption for Mariposa County, CA
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #42 / 55 | #1235 / 2193 | 272.75 GWh | 948.95 k MMBtu |
| Water | #17 / 38 | #143 / 536 | 272.75 GWh | 948.95 k MMBtu |
Power Plants in Mariposa County, CA
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Exchequer | Merced Irrigation District | 245.8 GWh | 849.7 k MMBtu | Water |
| McSwain | Merced Irrigation District | 26.9 GWh | 99.2 k MMBtu | Water |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #894 | Amador County | 610.5 GWh | 8 |
| #975 | Calaveras County | 502.3 GWh | 6 |
| #591 | El Dorado County | 1.6 TWh | 15 |
| #184 | Fresno County | 7.3 TWh | 127 |
| #664 | Madera County | 1.2 TWh | 28 |
| #995 | Merced County | 484.8 GWh | 33 |
| #902 | Mono County | 597.8 GWh | 9 |
| #596 | San Joaquin County | 1.5 TWh | 53 |
| #431 | Stanislaus County | 2.7 TWh | 25 |
| #409 | Tuolumne County | 2.9 TWh | 23 |
Electricity Generation for Cities Located in Mariposa County, CA
| State Rank | City | Net Generation | # Power Plants |
|---|