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World's Largest Batteries - (Pumped Storage)

Practical Engineering · explainer · Watch on YouTube

Renewables, batteries & storageCivil engineering & constructionPower grid, heating & buildings

What it is

Practical Engineering explains pumped storage hydropower, which makes up most grid-scale electricity storage. It covers how it works and why it fits only certain geographies.

Why Hacker News recommends it

Recommended as a clear explanation of pumped hydro and its limits in energy storage discussions.

  • 4 people recommended it
  • 4 different months
  • 1 strong recommendations
  • first 2020, last 2024

What HN commenters said

  1. “Great channel if you're curious about everything related to humans relationship with water.”

    Pumped storage as lake-based electricity generation.

    carlhjerpe, 2022-10 · Strong recommendation · in “Geothermal may beat batteries for energy storage”

  2. “Here's a good video on by Practical Engineering”

    Explains pumped storage and its geographic limits.

    PopeDotNinja, 2020-06 · Recommendation · in “Engineers find neat way to turn waste carbon dioxide into useful material”

  3. “This video ( ) does an interesting demo”

    Demo showing small energy in elevated water.

    creato, 2020-10 · Recommendation · in “Ditch the Batteries: Off-Grid Compressed Air Energy Storage (2018)”

  4. “There's a good watch on pumped hydro, and how it is kinda sucky”

    Explains pumped hydro and its drawbacks.

    gilbetron, 2021-10 · Recommendation · in “The booming business of knitting together the world’s electricity grids”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: pumped storage, grid storage, hydropower, energy, civil engineering

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