this post was submitted on 15 Aug 2026
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Solar+battery is not an actual thing. We're talking society scale here, not remote cabin.
Hydro, although great in many ways, causes immense ecological devastation and is not suitable for all places.
Nuclear also has issues but a mix of wind+solar on a base of hydro+nuclear is probably the ideal.
https://www.pv-magazine.de/2026/08/13/batteriespeicher-mit-rund-500-megawattstunden-kapazitaet-in-sachsen-anhalt-eingeweiht/
Germany opened a new battery storage just this week. It has so much capacity that it can power a city like Leipzig over a night completely. And there are plans to upgrade it from 500 megawatthours to 800 megawatthours before 2026 ends. That's not just remote cabin scale to me.
Okay, here i gotta agree with you.
"Issues". Yeah. The deadly waste nuclear plants produce is just a minor "issue". And I'm not even talking about safety in general (Chernobyl, Fukushima, Three Mile Island).
I'm sure batteries will play an important role in the future, but it's not significant today and I don't see any indication of this changing rapidly in a meaningful way. I'd love to be wrong though.
Regarding the issues with nuclear power, the ecological impact is far better than hydro and health impact/deaths is also significantly better. I'm not trying to badmouth hydro here, but I think it's important to be fair and acknowledge that on those two issues (ecological impact, human health) nuclear has a better track record.
Even in US, $100/kwh retail battery price points with bms, 48v, exist. Utility scale in rest of world is much cheaper. China is $51/kwh for a containerized full battery solution with (4 hour) inverter. At 7% ROI (to pay for full 30 year mortgage on LFP batteries as that is their life expectancy at slow charge/discharge rates) means just 1c/kwh discharge profit is required to pay for $55/kwh batteries. Similar calculation for just 4 sun hours/day. $600/kw installation costs at 7% ROI, means 3c/kwh daytime electricity rates.
There's not just exponential growth as @Hellgruen@lemmy.zip pointed out, it is dumb to do anything else.
Ok man good luck with that. Since the economy is so overwhelmingly in your favor, we should see battery capacity outpace energy need growth any time now.
Not sure if you are actually pretending its out of reach. China's battery additions including EVs is 39% of massive electricity production increases. Rate of growth in battery sales about double while energy growth is 5-8% range. That is much easier for any country that isn't the absolute global manufacturing nexus.