US energy policy has an outsize effect on Canadian law, regulation and policy. It’s therefore fascinating to see, in a single graph, how much of what type of energy they use, and how that changes year-over-year. The Lawrence Livermore National Laboratory publishes annual energy flowcharts for the US.
You can find a similar diagram for Canadian energy use at: http://www.statcan.gc.ca/pub/57-003-x/2008001/i008-eng.htm.