Consumption and Conservation

Which countries consume the most energy?

Top Energy-Consuming Countries (2006, in quadrillion BTUs)

Country Energy Consumption
United States 99.86
China 73.81
Russia 30.39
Japan 22.79
India 17.68
Germany 14.63
Canada 13.95
France 11.45
United Kingdom 9.80
Brazil 9.64

The United States consumes nearly 25 percent of the world’s total energy consumption.

How much does it cost to generate one kilowatt-hour of electricity?

The cost to generate one kilowatt-hour of electricity varies by the energy source.

Energy Source Cost (in cents)
Biomass 6–9
Coal 4–6
Geothermal 3–8
Hydropower 4–10
Natural Gas 5–7
Nuclear Power 2–12
Photovoltaics 20–25
Solar thermal 5–13
Wind 4–7


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