Matt and Sean discuss how “old reliable” might be the best reliable ... we’re talking about how pumped hydro storage is the biggest energy storage system in the world.

Watch the Undecided with Matt Ferrell episode, “The World's Largest Battery Isn't What You Think”: https://youtu.be/qBW3KpXp1FM?list=PLnTSM-ORSgi7UWp64ZlOKUPNXePMTdU4d

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Undecided with Matt Ferrell: https://www.youtube.com/undecidedmf