Some interesting statistics for geothermal energy from the latest Electric Power Monthly from the U.S. Energy Information Administration (EIA).
In the year to date to September 2018, the USA generated 12,477 Gigawatt hours (GWh) of electricity from geothermal resources, an increase of 5.4% on last year, from 2,499.3 MW of net capacity.
For individual states:
- California - 9,001 GWh (+2.9%) from 1,854.0 MW
- Nevada - 2,677 GWh (+15.9%) from 498.2 MW
- Utah - 350 GWh (+3.6%) from 73.0 MW
- Hawaii - 240 GWh (-1.1%) from 43.0 MW
- Oregon - 140 GWh (+6.0%) from 19.5 MW
- Idaho - 59 GWh (-0.5%) from 10.0 MW
- New Mexico - 9 GWh (-6.5%) from 1.6 MW
- Nuclear - 92.2%
- Geothermal - 74.0%
- Landfill Gas and Municipal Solid Waste - 68.0%
- Other Biomass Including Wood - 57.8%
- Conventional Hydropower - 43.1%
- Wind - 34.6%
- Solar Photovoltaic - 25.7%
- Solar Thermal - 21.8%