Energy use data will appear for each state clicked on.
Notes on State Energy Efficiency Information
BTU: British Thermal Unit, a standard measurement of energy. 1 kilowatt-hour equals 3413 BTUs.
Consumption figures and rankings from the federal Energy Information Administration for 2007.
Energy efficiency scores and rankings from the American Council for an Energy Efficiency Economy's 2009 State Energy Efficiency Scorecard. Scores are based on state appliance standards, building codes, utility programs, financial incentives for efficiency and other criteria.