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28 Mar 2026 - Switzerland Built An Underground Power Plant By Hollowing Out An Entire Mountain



Switzerland Built An Underground Power Plant By Hollowing Out An Entire Mountain
Join us as we explore how an entire mountain in the Alps has been turned into a massive energy “battery,” storing power underground and releasing it in seconds to stabilize the grid.
Engage with Us: Interested in megaprojects and energy innovation? Like, comment, and subscribe to Terran Works for more.
Terran Works brings you inside modern engineering—where bold, large-scale ideas are shaping the future of energy.
00:00 Intro
01:05 Energy Paradox
02:38 Turning a Mountain into a “Battery”
04:18 High-altitude Construction Site
05:57 Drilling into the Alps
07:25 Tunnels Inside the Mountain
09:08 Turbine Cavern
10:56 Connection to the Power Grid
12:30 Water System
14:13 Project Efficiency
15:30 Remaining Limitations
17:07 Outro
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Apr 6, 2026 How Did Engineers Build a Massive Tunnel and Install a Hydroelectric System Inside the Alps?