Factorio Forums

I'm writing my first mod. It is about this reddit post https://www.reddit.com/r/factorio/comme ... are_button

I thought it would be easy and could make this in one day (lol) From my knowledge, you can't change data in data.lua in runtime/only static values can exists.

Is it really impossible?

Correct. Prototypes are not changeable after data stage finishes.

you can modify the whole surface's solar output. https://lua-api.factorio.com/latest/cla ... multiplier
This is probably the only meaningful way to modify the output anyway, as large number of independently fluctuating random variables would just average out.