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Harnessing the Maelstrom: Tidal Energy episode artwork

Jul 19, 2025 29 min

Harnessing the Maelstrom: Tidal Energy

from Closing the Gap with Gwen Holdmann | Energy Transition Stories Hosted by Gwen Holdmann

Water is 800 times denser than air and when large volumes start moving in a single direction with force and purpose, it becomes virtually unstoppable. And that force represents an opportunity to harness the power of water in a way that's different from conventional hydropower. Instead of relying on elevation and gravity, we can capture energy directly from the flow itself. Afterall, the tides are pulled by the moon, creating a rhythm that has been in motion since long before fossil fuels were even imaginable. It's not just renewable—it's perpetual. Today on the show -- tidal energy in many different forms. People: Jeremy Kasper, Director - Alaska Center for Energy and Power; Ben Loeffler, Alaska Center for Energy and Power; Stephanie Jump, Alaska Center for Energy and Power; Places: Saltstraumen, Norway; Tanana River Hydrokinetic Test Site, Alaska Technology/Concepts: tidal power generation, tidal barrage, hydrokinetic, in-river hydro, blade runner turbine Closing the Gap is hosted by Gwen Holdmann. Jennifer Pemberton is our editor. Liz Smith and Tony Williams produced this episode. Music is from Bluedot Sessions. Special thanks to David Lane at Neuralsurfer, who let us use his wonderful recording of Edgar Allen Poe's "A Descent Into The Maelstrom".

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