Current rates of usage of these fuel sources relative to other energy sources for both the United St

General:

U.S. energy consumption (2007)

Biomass:

Biomass is mostly used in undeveloped countries. Half of the human population uses biomass as a source of energy.

Biomass takes the form of solid fuel (i.e. wood, animal dung, peat), biogas, or liquid fuels (methanol and ethanol).

Geothermal Energy:

Countries that produce large amounts of geothermal electricity are situated on geographically active regions.

The United States is the world leader of geothermal electricity production, followed by the Philippines, Italy, Japan, Mexico, Indonesia, and Iceland.

Geologically active regions in the world

Hydropower:

The top generators of hydropower are Canada, the US, Brazil, China, Russia, Norway, Japan, India, France, and Sweden. The US has 1200 plants, which produce 10% of its electricity.

Norway, Great Britain, and Japan are currently investigating electricity production from ocean waves.

France, Russia, China, and Canada have power plants that harness energy from tides.