The crash has happened twice a minute or two after the attached autosave. I don't know exactly what caused it or even if it was related to what I was doing, but both times I used the jetpack to fly up towards the artillery outpost in the northeast that's under attack. The first time I got a crash ju...

That is very counterintuitive to me and I don't know where the 1 MW number is coming from, but okay.

See attached screenshot. Electrical network with only a rocket silo, a few stack inserters, and a small nuclear plant (not shown) – claims to be consuming >16 MW but the power grid only shows 1 MW. Made in sandbox mode with no mods in version 0.15.31.