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by _aavaa_ 1108 days ago
We have gotten on a discussion of storage, which is a little afield of the original point, an alternative to nuclear fission for meeting our energy demand. That, and not storage specifically, is the actual target:

- Build out solar and wind to cover the winter usage, not the summer usage (the cost with them not running is longer payback period, they do not have negative energy prices).

- Build pumped hydro storage for longer term storage

- Build more hydro

- Change how you use hydro: use them as your "peaker" to handle when the sun and wind go offline

- No city/state/country is an island, build more HVDC connecting countries, especially EAST-WEST so that even when the sun has set here we have an extra hour or two of solar from the west.

- Build batteries for short term usage (see the Horndale battery in Australia for incredible short payback periods)

- Store heat/cold when you have the renewable and then use it as heat/cold.

- And build nuclear it's great baseload, if you can afford the actual price after the massive overruns.

But again, before we start coming up with new use-cases for hydrogen, we need to solve the 90 million tonnes annually made directly from fossil fuels. Until that's done, hydrogen remains a GHG problem, not a GHG solution.