this post was submitted on 30 Aug 2023
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[–] [email protected] 4 points 1 year ago (2 children)

Renewables can effectively be spun up or down as long as they have batteries. That way, they can usually be generating as much energy as possible regardless of demand.

[–] [email protected] 4 points 1 year ago

In that case it's the batteries being loaded and unloaded, not the renewables.

Storage can be connected to the grid anywhere and charged whenever power is cheap - from whatever sources are generating at that time. It is effectively an independent investment - assuming your on-grid / grid scale.

As far as i know the only major renewable electricity generation that is intrinsically linked to storage is reservoir based hydro with reverse pumping capability though even that increases costs and is a quite situation dependent if you want a lot of peaking power..

Nuclear fanboys could equally argue to add batteries so as to convert baseload into shape, or peaking.

[–] [email protected] 2 points 1 year ago (2 children)

is our battery tech even up to this?

[–] [email protected] 4 points 1 year ago

Yes. There's numerous live examples which have been in place for years (Horndale South Australia for example)

[–] schroedingershat 3 points 1 year ago* (last edited 1 year ago)

Yes. It costs less and requires less mining to use the most expensive and wasteful storage option. The only reason there aren't more is a lack of sufficient investment in VRE required to make them useful.