Slide 23 of 30
- Renewable energy was approximately 8.4 percent of U.S. total consumption in 1972. It declined slightly to 7.6 percent in 1997.
- Renewable energy comes from hydroelectric power, geothermal, biofuels, solar and wind-generated energy.
Source: Energy Information Administration, Annual Energy Review 1997, DOE/EIA-0384(97). (Washington, DC, July 1998), Tables 1.3 and 10.2.