WORLDWIDE WAVE POWER DENSITY

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According to an EPRI study, the available waves electricity resource of the U.S. is about 2,100 terawatt-hours (TWh) per year (1 TW = 1,000,000 megawatt). Assuming that society in the future will develop 15% of the potential wave energy with typical efficiencies, the U.S. potential is about 255 TWh per year. This is about 6.5% of total U.S. electricity generation. This is enough to power about 22 million homes (the typical U.S. home uses an average of about 1.3 kilowatt).

wave-power-density
This worldwide waves density map shows that the coast lines with the highest potential wave energy are facing west, with a large ocean to the west and north, with southern latitudes of about 30 to 60 degrees.