This poster was sent to us by Makai Ocean Engineering, a Hawaii-based firm that is developing Ocean Thermal Energy Conversion for our state. The company is located on Oahu, but this pilot plant is on the Big Island, at NELHA (Natural Energy Laboratory of Hawaii Authority).
OTEC uses the energy difference of cold, deep ocean water and warmer surface water to drive an ammonia cycle, spinning a turbine to produce electricity. The ammonia is in a closed-loop system, so OTEC is extremely clean, with no need for fresh water and no competition for space or resources.
You can learn more about OTEC at Makai's website,
www.makai.com.
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