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Is nuclear power really bad for megabases?

https://forums.factorio.com/viewtopic.php?f=208&t=101392

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Re: Is nuclear power really bad for megabases?

Posted: Wed Feb 02, 2022 3:12 pm
by gGeorg
SoShootMe wrote: ↑
Wed Feb 02, 2022 7:12 am
 1k SPM "load",

Electric energy interface: 1916
Solar panels/Accumulators (19x 8000 panels and 6720 accumulators): 1938
Nuclear (3x blueprint below, stacked): 979

nuclear power resulted in a 50% reduction in UPS.
Translated your result to other point of view :

1k SPM powered by Nuclear or 2K SPM powered by solar ~ the same UPS

Re: Is nuclear power really bad for megabases?

Posted: Wed Feb 02, 2022 5:10 pm
by SoShootMe
gGeorg wrote: ↑
Wed Feb 02, 2022 3:12 pm
 Translated your result to other point of view :
1k SPM powered by Nuclear or 2K SPM powered by solar with the same UPS.
No need for translation - I wrote a direct equivalent already. But being "worst case" leads to an important caveat you have glossed over (emphasis added):
SoShootMe wrote: ↑
Wed Feb 02, 2022 7:12 am
 That is, solar could let you build up to twice as big before UPS starts to drop, but most likely significantly less than that.
For example:
coppercoil wrote: ↑
Wed Feb 02, 2022 9:58 am
 I took my real 430 SPM factory and replaced 3.8 GW nuclear power to electric energy interface.
Nuclear: 320 UPS.
Electric interface: 380 UPS.
This is ~19% higher SPM for the same UPS, rather than ~98% higher.

Re: Is nuclear power really bad for megabases?

Posted: Wed Feb 02, 2022 8:14 pm
by quyxkh
Try this one?

Re: Is nuclear power really bad for megabases?

Posted: Thu Feb 03, 2022 2:54 am
by gGeorg
SoShootMe wrote: ↑
Wed Feb 02, 2022 5:10 pm
gGeorg wrote: ↑
Wed Feb 02, 2022 3:12 pm
 Translated your result to other point of view :
1k SPM powered by Nuclear or 2K SPM powered by solar with the same UPS.
No need for translation - I wrote a direct equivalent already. But being "worst case" leads to an important caveat you have glossed over (emphasis added):
SoShootMe wrote: ↑
Wed Feb 02, 2022 7:12 am
 That is, solar could let you build up to twice as big before UPS starts to drop, but most likely significantly less than that.
For example:
coppercoil wrote: ↑
Wed Feb 02, 2022 9:58 am
 I took my real 430 SPM factory and replaced 3.8 GW nuclear power to electric energy interface.
Nuclear: 320 UPS.
Electric interface: 380 UPS.
This is ~19% higher SPM for the same UPS, rather than ~98% higher.
Your post is perfect answear of the OP.
The Nuclear cost has range, from ~19% to ~98% SPM compared to solar on the same UPS.

Would you add to compare my Cloverleaf plant powering 1k SPM optimised base ?
viewtopic.php?f=208&t=96233
I have worked on optimised design for a year, so I would like to know the rate.
Thank you

Re: Is nuclear power really bad for megabases?

Posted: Thu Feb 03, 2022 7:41 am
by SoShootMe
gGeorg wrote: ↑
Thu Feb 03, 2022 2:54 am
 Your post is perfect answear of the OP.
The Nuclear cost has range, from ~19% to ~98% SPM compared to solar on the same UPS.
What I've written is far from perfect :). There's a range, but it depends on how UPS-optimised both production and power are. For the former, I think it's pretty unlikely any "real" game (...today) will be better than Stevetrov's 1k SPM cell supplied by infinity chests/pipes (I expect belting/piping in from surrounding sources would be similar, but not terribly practical) - that's why I chose it to get a "worst case" figure. But I write "worst case" in quotes because it's obvious nuclear power can be less UPS-optimised than the relatively simple 2N design I used. I chose that design because I had it to hand, it is appropriate for large scale nuclear power, and I figured that scale requirement points towards similar designs that won't have a huge range of UPS at a given output (that may be a bad assumption).
Would you add to compare my Cloverleaf plant powering 1k SPM optimised base ?
viewtopic.php?f=208&t=96233
I tried, but output oscillated until I added an EEI to consume excess power - yielding a result with 14x 480MW of 745 UPS. However, UPS comparison between nuclear designs is probably best done in isolation, like the save from the original post.

Re: Is nuclear power really bad for megabases?

Posted: Thu Feb 03, 2022 9:26 pm
by ptx0
SoShootMe wrote: ↑
Thu Feb 03, 2022 7:41 am
 I think it's pretty unlikely any "real" game (...today) will be better than Stevetrov's 1k SPM cell supplied by infinity chests/pipes
you'd be surprised how much UPS those infinity items consume.

Re: Is nuclear power really bad for megabases?

Posted: Fri Feb 04, 2022 1:15 pm
by SoShootMe
ptx0 wrote: ↑
Thu Feb 03, 2022 9:26 pm
SoShootMe wrote: ↑
Thu Feb 03, 2022 7:41 am
 I think it's pretty unlikely any "real" game (...today) will be better than Stevetrov's 1k SPM cell supplied by infinity chests/pipes
you'd be surprised how much UPS those infinity items consume.
That is well known, has always surprised me, and is a valid point, but doesn't change what I wrote. Do you think there are "real" games with better SPM per UPS?

Re: Is nuclear power really bad for megabases?

Posted: Fri Mar 04, 2022 3:57 pm
by causa-sui
Alt-F4 blog has an interesting post on this topic that rekindled my interest.

I'm interested in this reddit post linked off this alt-f4 blog as well.
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