January 10, 2026
Global Renewable News

NATIONAL RENEWABLE ENERGY LABORATORY
Turning the Tide for Renewables in Alaska: NREL Tidal Research Reveals Opportunities for Rebuilding Alaska's Economy with Renewable Energy

October 27, 2021


Midwater moorings and the Tidal Bottom Lander were in the water throughout July and August 2021. The ship's surveys conducted in late August measured the cross-channel variability of current speeds, sediment concentrations, salinity, and temperature. Illustration by Al Hicks, NREL

The ocean was calm when the Peregrine Falcon ship left the harbor in Homer, Alaska, last month with three moorings resting on its deck, all loaded with scientific instruments. Eighteen hours later, these moorings were lowered into the silty waves where they collected data for two months.

A highly energetic corner of the Pacific Ocean, Cook Inlet holds one of the greatest tidal resources on Earth. All that energy has the potential to reduce Alaska residents' dependence on declining oil and gas production and provide excess renewable energy that could stimulate the Alaskan economy.

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