HackerTube

THE VIDEO SHELF · gravity energy storage

Storing Solar Power on my ROOF!!!

Quint BUILDs tests a rooftop water storage setup in which solar power pumps water up to the roof and a turbine generates power later. He works through the numbers to show how much energy it actually stores.

Why HN readers recommended it

HN commenters cite it as an entertaining reality check on home gravity storage, showing the yield is tiny compared to household needs.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
Quint BUILDs
Topic
gravity energy storage
Format
demo
Level
general
HN recommenders in dataset
2
HN mentions in dataset
5
Recommendation years in dataset
2022–2025

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • There is a great youtube channel that tests out different energy storage and harvesting setups, a lot of them focused around water. This is one where they use solar to pump water to the roof, and then use the potential energy overnight: [VIDEO]

    jammaloo on Hacker News · 2022-10
    In Geothermal may beat batteries for energy storage
  • Here's some "slow math" in video form ;) [VIDEO] I find him entertaining. Put a 55 gallon drum on his roof, pumping water up via solar and running lights at night. Closed loop system. He also "does the math" and mentions exactly what you are …

    tharkun__ on Hacker News · 2022-10
    In Geothermal may beat batteries for energy storage

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.