Between January 1, 2009 and December 31, 2011, renewable energy sources (i.e., biofuels, biomass, geothermal, solar, water, wind) grew by 27.12%. By comparison, during the same three-year period, total domestic energy production increased by just 6.72% with natural gas and crude oil production growing by 13.66% and 14.27% respectively. Moreover, during the same period, nuclear power declined by 1.99% and coal dropped by 7.16%.
- During the first three years of the Obama Administration, geothermal grew by 15.63%, and accounted for 2.42% of domestic energy production from renewable sources in 2011.
- Comparing the 12-months of 2011 against the same time period in 2008, geothermal grew by 12.5% accounting for 8.6% of net electrical generation in 2011.