@ Drury By this are you wanting a second (Isolated) power network or a network-within-a-network? For the first power grids must NOT be connected (2 grids that have no wires between them are 2 different networks). For the 2nd DyTech has implemented this (primary, secondary, & tertiary) Power prod...

Personally I look closely at games before I buy them. If they require "persistent internet connection" that indicates a NO-SALE for me. I pay by the GB for data and constant data streams get expensive. Will have to remember steam ads can be turned off . . . If I ever get on steam. Offline ...

I second this request. Anytime I am near accumulators that are charging or discharging my computer lags horribly. (won't run Factorio at all without low graphics mode)
Being able to turn off accumulator electricity effect would be great, anyone know a workaround for this?

Do you have 'extra' turrets? I find that a single turret can withstand 3-4? (I forget) hits from a worm before it is destroyed. A turret placed within range of a worm will be attacked and worm will not change targets until it is destroyed (ammo NOT needed). SO... 1-place turret within worm's range, ...