Transport electricity via train to your outposts
Send a charge or discharge signal to the train stop to control the behaviour
update of https://mods.factorio.com/mod/accumulator-wagon-redux
 I've invested almost 3000 hours into these factorio mods
If you can somehow afford it, a donation on https://www.patreon.com/c/OwnlyMods would be very appreciated 
My mods:
Combat:
-   Turret Shields
-   Blood & Gore
-   Raven mk2
-   Shield FX
-   Laser Tanks
-   Laser Rifle
-   Weapon Quality
-   Universal Turret
-   Bullet Tracers (Ownly's)
-   Induction Charging Revamp
-   Hovercrafts (collab)
-   Glowing Laser Beams -> Updated version by Pikachar
-   RPG Items -> Updated version by ZwerOxotnik
-   Spell Pack -> Updated version by ZwerOxotnik
Basing:
-   Realistic Reactors Reborn
-   Wind Turbines
-   Vehicle Physics
-   Leave The Lights On
-   Heat Glow
-   Compact Power Reloaded
-   Transformers
-   Smaller Train Stop Collision
-   KS Power Rebalancing
-   HD planets
-   Chemflip for 2.0
-   Logistic Group Editor
-   Solar Panel Equipment MK2
-   Solar Panel Equipment MK3
-   Modding Tools/Cheat menu
-   Overloaded Trains
-   Accumulator Wagon Reborn
-   Speaker Signals Expansion -> Updated version by Phoenix-D
Might get updated:
-   Market
-   Market - AutoBuy
-   Wave Defense Unlimited
-   Unlushed Trees
Deprecated:
Combat:
-   Railgun Revival
-   Desert Eagle
-   DotA
Basing:
-   Realistic Reactors - Utilities
-   Resource Spawning Ingame
-   0.16 Graphics
-   Bleached Trees
-   Copy&Paste for 0.16
-   Fire Department
-   Robot Tree Farm
-   Modder's Science Pack
-   Assembling Machine Equipment
-   Bottled Science
-   Lua Combinator 3