U.S. Dept. of Energy Energy Information Administration	Start at the Energy Kid's Page Energy Facts section.
Energy Matters	See Types of Energy Sources.
Energy Quest	Begin with the Energy Story, a good introduction with chapters on geothermal, hydro & oceanic, nuclear, solar, and wind.
Energynet	An introduction to energy awareness and technology.
The National Renewable Energy Lab	Check out: Learning about Renewables.
REPP	Information on the various types of energy from the Renewable Energy Policy Program
U.S. Department of Energy's Energy Efficiency and Renewable Energy Network	Lots of information here! Don't miss the seriously good information lurking on the Kids' Page.
Renewable Energies	Wind, solar, geothermal and biomass. From the French electric company.
Energy - Environmental Literacy Council	A general discussion with sections on each energy source.
Extreme Oil	From a PBS TV series.
NaturalGas.org	Here's an in depth look at natural gas.
Solar School	An educational site from Australia.
Solar Matters	A science unit from the Florida Solar Energy Center (in the Sunshine state).
Home Power Magazine	Look at the menu item "The Basics" for info on Wind and Solar.
Geothermal Education Office	A great source of information about geothermal energy and its use around the world.
Powder River Coal Co.	Here's a 6th grade report on coal in one U.S. location with some background on coal.
Nuclear Energy Institute	The positive side of nuclear energy, with basics and background of this energy source. To learn about the dangers of nuclear power and radioactive waste, see Nuclear Information & Resource Service.
Virtual Nuclear Tourist	In addition to nuclear, see the section with Comparisons of Various Energy Sources.
Fusion Basics	Will this be the energy source of the future?
Ohio Web Library	Student Research Center