News for hackers. Stuff that matters.

A comment on Why did renewables become so cheap so fast?. Parent comment

Re:Why did renewables become so cheap so fast? by matthias509 on Wednesday December 02, 2020 @04:52PM (#25282155)
Maybe use excess electricity to produce hydrogen using electrolysis and then burn it in a turbine later?
[ Parent | on HN ]
Re:Why did renewables become so cheap so fast? by nomel on Wednesday December 02, 2020 @06:46PM (#25283396)
Here's a comparison: https://www.eesi.org/papers/view/energy-storage-2019

Electrolysis isn't very efficient without nasty electrolytes. For massive scale, pumped water/air is still probably the most feasible in a reasonable timeframe and cost.

[ Parent | on HN ]