Summary of Electricity Activity in Mariposa County, CA
Summary of Mariposa County, CA Generation
Mariposa County, CA is ranked #1,181 out of 2,163 U.S. counties nationwide and #42 out of 55 California counties in terms of total annual net electricity generation.
| Annual Generation | 299.7 GWh |
|---|---|
| Annual Consumption | 1.0 M MMBtu |
| Last Update | Dec 2024 |
| 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
299.7 GWh
National Rank in Terms of hydroelectric Net Electricity Generation
#140 /540 U.S. Counties
State Rank in Terms of hydroelectric Net Electricity Generation
#17 /37 California Counties
Monthly Net Generation 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 | #1181 / 2163 | 299.71 GWh | 1.04 M MMBtu |
| Water | #17 / 37 | #140 / 540 | 299.71 GWh | 1.04 M MMBtu |
Power Plants in Mariposa County, CA
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Exchequer | Merced Irrigation District | 267.9 GWh | 926.7 k MMBtu | Water |
| McSwain | Merced Irrigation District | 31.8 GWh | 108.5 k MMBtu | Water |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #845 | Amador County | 692.0 GWh | 8 |
| #985 | Calaveras County | 489.9 GWh | 6 |
| #600 | El Dorado County | 1.5 TWh | 15 |
| #178 | Fresno County | 7.6 TWh | 119 |
| #708 | Madera County | 1.0 TWh | 28 |
| #965 | Merced County | 510.7 GWh | 31 |
| #789 | Mono County | 785.9 GWh | 9 |
| #498 | San Joaquin County | 2.1 TWh | 47 |
| #414 | Stanislaus County | 2.9 TWh | 25 |
| #425 | Tuolumne County | 2.8 TWh | 23 |
* Net Generation data is based on the last 12 months since Nov 2025
Electricity Generation for Cities Located in Mariposa County, CA
| State Rank | City | Net Generation | # Power Plants |
|---|
* Net Generation data is based on the last 12 months since Dec 1969