Sea Solar Power- tapping the oceans' temperature gradients

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Sea Solar Power Inc. (SSP) is developing a solar power technology that uses a reverse refrigeration cycle to harness the solar energy stored in the sea by tapping the thermal gradient that exists naturally between the surface and deep waters. This temperature difference between surface water and that at 3000 feet in tropical oceans is sufficient to operate vapor turbines, which drive generators to produce electricity, with fresh water as a byproduct. SSP, run by three generations of the Anderson family, has been working on the technology since 1962.

via Slashdot

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