this post was submitted on 31 Aug 2023
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[–] DrAnthony@lemmy.world 55 points 2 years ago (1 children)

You can bank on energy consumption rising year over year for the next lifetime or so. We have completely run out of low hanging fruit in terms of cutting back like moving from incandescent to LED lighting, installing heat pumps to replace resistive heaters...ect. Solar, wind and other green sources ARE very much the future (assuming we want to have a future at all), but their variable output doesn't mesh super well with how electrical grids are handled today. Batteries and other storage options are no where near ready and may never be for grid scale. This is where nuclear shines, that steady trickle over many, many decades as a bridge to a future with a redesigned distribution network and other technologies we can't even conceive of yet. The thing is it's a long term play, there's a massive upfront cost and the people involved the project today may not even be alive or seeking any sort of political office in 20 years when it's completely validated. Even if these plants can't get online fast enough to meet the peak demands in the near-term, there's nothing stopping them from scaling out solar and/or wind farms to pick up the slack.

[–] wewbull@feddit.uk 6 points 2 years ago (1 children)

You're thinking too small with LED lights and heat pumps.

Overall energy consumption still has a long way to drop if we continue to electrify transport. Oil is consumed very inefficiently in internal combustion engines and electric motors are far more efficient. That's even before you account for the energy consumption of refining and transporting oil, all of which would vanish. Even if you just took oil out of the ground and pumped it into a furnace to generate electricity, then use that electricy to move everyone around, we'd drop our consumption significantly.

The setup with have now is desperately inefficient.

[–] DrAnthony@lemmy.world 2 points 2 years ago

I guess I could have stated the form of energy I was talking about a little more clearly. That's actually mostly in agreement to what I was referring to though, as we move from fossil fuel powered transport to EVs, we'll see that demand shift and drive electrical consumption up dramatically (even if the total joules of energy required decreases from a physics perspective). Yes, internal combustion is inherently very, very inefficient but it just takes HEAPS of energy to move 3,000+ pounds (1,350+ kg) of anything and all of that will be coming from the mains rather than an oil rig. That's why we (not just Sweden, all of us humans) need to increase our electrical generation capacity and modernize our distribution networks.

[–] Carighan@lemmy.world 11 points 2 years ago* (last edited 2 years ago) (2 children)

I mean let's be honest here, there's no way they did this because of an underlying police change.

I suspect they rather looked at other western countries trying to build large-scale projects and noticed how absurd the idea of building one nuclear reactor without a 15y++ delay was, nevermind 10 of them. Quietly drop it before someone checks whether it's even doable. 😅

Source: Am German, we are experts on letting our complicated building projects run completely overbudget and take multiple times as long as projected.

[–] bouh@lemmy.world 6 points 2 years ago (1 children)

That's a so stupid take it's hilarious. It'd be a nice world if ecofanatics were spending half their energy against coal instead of fighting nuclear.

[–] wewbull@feddit.uk 2 points 2 years ago (1 children)

Being against coal and gas, I want the fastest solution that displaces coal and gas. That's wind and solar in most locations. It's not nuclear. Nuclear takes a long time to build, and while you build it you're still burning coal and gas. Recent experience is that you take the original schedule / budget and multiply by 2 to 3, so that's even more time you're still burning coal.

Granted, if you already have nuclear, don't decommission it, but don't build more either.

[–] bouh@lemmy.world -1 points 2 years ago

So you are against nuclear.

[–] zephyreks@programming.dev 1 points 2 years ago (1 children)

Sweden realized they couldn't join NATO if they invited Chinese expertise to help build a nuclear power plant.

[–] wewbull@feddit.uk 2 points 2 years ago

"Chinese expertise" building reactors like the ones in Finland, France and the UK?

  1. I don't think it's a problem for those NATO members.
  2. By the way those projects have gone, I'm not sure if expertise is the right word.
[–] CrimeDad@lemmy.crimedad.work -1 points 2 years ago