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To help compare different orders of magnitude we list here energies between 1020 joules and 1021 joules. Weaker energies 1.05 × 1020 J -- energy consumed by the United States in one year (2001) 3.6 × 1020J -- 100,000 TWh 4.26 × 1020 J -- energy consumed by the world in one year (2001) Stronger energies External link Conversion Calculator for Units of ENERGY (http://www.ex.ac.uk/cimt/dictunit/ccenrgy.htm)