Environmental Engineering Reference
In-Depth Information
- Solar/PV 1%
- Geothermal 5%
- Waste
1
6%
- Wind 7%
Nuclear electric
power
9%
Coal
23%
- Biofuels
²
19%
Renewable
energy
7%
Petroleum
37%
- Wood 28%
Natural gas
24%
- Hydroelectric
power
³
34%
Figure 7.1
Forecast of growth in nonhydropower renewable energy. One-third of total growth in
America's energy supply is forecast to come from these renewable sources between 2007
and 2030. (Energy Information Administration, 2008)
