Atomic Energy of Canada - Kid's Zone
http://www.aecl.ca/kidszone/atomicenergy/index.asp
Learn about nuclear energy, electricity, and how the environment and energy interact everyday.  There is also a glossary of definitions and a games page to test your skills.

Natural Resources Canada: Energy
Find out how you can conserve energy as well as the types of energy resources in Canada.

http://oee.nrcan.gc.ca/home

Alliant Energy Kids
http://www.alliantenergykids.com/index.htm

Through interactive and engaging activities, elementary students can learn about electricity and natural gas, how to use them safely and wisely, and the importance of conserving energy.

Renewable Energy - It's Only Natural!
http://canmetenergy-canmetenergie.nrcan-rncan.gc.ca/eng/renewables.html

Find out about the many different sources of renewable energy available to Canadians.