Some work on the mess that is this power code.

Jesus.

Tons of fixes, refactors and other things.
The powernet's code is still awful though.

Content.Server/GameObjects/EntitySystems/PowerSystem.cs

@@ -1,5 +1,7 @@
 using Content.Server.GameObjects.Components.Power;
 using SS14.Shared.GameObjects.System;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.IoC;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -12,6 +14,21 @@ namespace Content.Shared.GameObjects.EntitySystems
     {
         public List<Powernet> Powernets = new List<Powernet>();
 
+        private IComponentManager componentManager;
+
+        private int _lastUid = 0;
+
+        public override void Initialize()
+        {
+            base.Initialize();
+            componentManager = IoCManager.Resolve<IComponentManager>();
+        }
+
+        public int NewUid()
+        {
+            return ++_lastUid;
+        }
+
         public override void Update(float frametime)
         {
             for (int i = 0; i < Powernets.Count; i++)
@@ -20,12 +37,12 @@ namespace Content.Shared.GameObjects.EntitySystems
                 if (powernet.Dirty)
                 {
                     //Tell all the wires of this net to be prepared to create/join new powernets
-                    foreach (var wire in powernet.Wirelist)
+                    foreach (var wire in powernet.WireList)
                     {
                         wire.Regenerating = true;
                     }
 
-                    foreach (var wire in powernet.Wirelist)
+                    foreach (var wire in powernet.WireList)
                     {
                         //Only a few wires should pass this if check since each will create and take all the others into its powernet
                         if (wire.Regenerating)
@@ -38,10 +55,16 @@ namespace Content.Shared.GameObjects.EntitySystems
                 }
             }
 
-            foreach(var powernet in Powernets)
+            foreach (var powernet in Powernets)
             {
                 powernet.Update(frametime);
             }
+
+            // Draw power for devices not connected to anything.
+            foreach (var device in componentManager.GetComponents<PowerDeviceComponent>())
+            {
+                device.ProcessInternalPower(frametime);
+            }
         }
     }
 }