Wind turbines off U.S. coastlines could potentially supply more than enough electricity to meet the nation"s current demand, the Interior Department reported Thursday.

Simply harnessing the wind in relatively shallow waters -- the most accessible and technically feasible sites for offshore turbines -- could produce at least 20% of the power demand for most coastal states, Interior Secretary Ken Salazar said, unveiling a report by the Minerals Management Service that details the potential for oil, gas and renewable development on the outer continental shelf.

The biggest wind potential lies off the nation"s Atlantic coast, which the Interior report estimates could produce 1,000 gigawatts of electricity -- enough to meet a quarter of the national demand.

The report also notes large potential in the Pacific, including off the California coast, but said the area presented technical challenges.

The Interior Department released an executive summary of the report on Thursday.

It noted that "strong wind resources also exist offshore California, Oregon, Washington and Hawaii, but it appears that the majority of this resource lies in deep waters where technology constraints are potentially significant" -- a sentiment Salazar echoed when asked about Pacific wind potential.

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