Having the same issue. It seems to break on reload. I've found rebuilding it works until the next reload.

mine is working but spams my error log:

Message logging is now once again on.
Verse.Log:Message(String, Boolean)
Verse.Log:ResetMessageCount()
Verse.Log:Clear()
Verse.EditWindow_Log:Verse.EditWindow_Log.DoWindowContents_Patch2(EditWindow_Log, Rect)
Verse.Window:InnerWindowOnGUI(Int32)
UnityEngine.GUI:CallWindowDelegate(WindowFunction, Int32, Int32, GUISkin, Int32, Single, Single, GUIStyle)

Exception ticking ZL_PowerTransmitterColumn1171037 (at (120, 0, 132)): System.InvalidOperationException: Sequence contains no elements
at System.Linq.Enumerable.First[TSource] (System.Collections.Generic.IEnumerable`1[T] source) [0x00010] in <351e49e2a5bf4fd6beabb458ce2255f3>:0
at ZLevels.Building_PowerTransmitter.Tick () [0x00253] in <8c85f61d879647d7a0a65b4edd98a8cd>:0
at Verse.TickList.Tick () [0x0015c] in <d72310b4d8f64d25aee502792b58549f>:0
Verse.Log:Verse.Log.Error_Patch3(String, Boolean)
Verse.TickList:Tick()
Verse.TickManager:Verse.TickManager.DoSingleTick_Patch1(TickManager)
Verse.TickManager:TickManagerUpdate()
Verse.Game:UpdatePlay()
Verse.Root_Play:Update()

Reservation manager failed to clean up properly; Orca still reserving (139, 0, 117)
Verse.Log:Verse.Log.Error_Patch3(String, Boolean)
Verse.Log:ErrorOnce(String, Int32, Boolean)
Verse.Pawn:Verse.Pawn.VerifyReservations_Patch2(Pawn)
Verse.AI.Pawn_JobTracker:Verse.AI.Pawn_JobTracker.CleanupCurrentJob_Patch1(Pawn_JobTracker, JobCondition, Boolean, Boolean, Boolean)
Verse.AI.Pawn_JobTracker:Verse.AI.Pawn_JobTracker.EndCurrentJob_Patch5(Pawn_JobTracker, JobCondition, Boolean, Boolean)
Verse.AI.Pawn_JobTracker:JobTrackerTick()
Verse.Pawn:Verse.Pawn.Tick_Patch3(Pawn)
Verse.TickList:Tick()
Verse.TickManager:Verse.TickManager.DoSingleTick_Patch1(TickManager)
Verse.TickManager:TickManagerUpdate()
Verse.Game:UpdatePlay()
Verse.Root_Play:Update()

Exception ticking ZL_PowerTransmitterColumn1171037 (at (120, 0, 132)): System.InvalidOperationException: Sequence contains no elements
at System.Linq.Enumerable.First[TSource] (System.Collections.Generic.IEnumerable`1[T] source) [0x00010] in <351e49e2a5bf4fd6beabb458ce2255f3>:0
at ZLevels.Building_PowerTransmitter.Tick () [0x00253] in <8c85f61d879647d7a0a65b4edd98a8cd>:0
at Verse.TickList.Tick () [0x0015c] in <d72310b4d8f64d25aee502792b58549f>:0
Verse.Log:Verse.Log.Error_Patch3(String, Boolean)
Verse.TickList:Tick()
Verse.TickManager:Verse.TickManager.DoSingleTick_Patch1(TickManager)
Verse.TickManager:TickManagerUpdate()
Verse.Game:UpdatePlay()
Verse.Root_Play:Update()

Reached max messages limit. Stopping logging to avoid spam.
Verse.Log:Verse.Log.Warning_Patch1(String, Boolean)
Verse.Log:Verse.Log.Notify_MessageReceivedThreadedInternal_Patch1(String, String, LogType)
UnityEngine.Application:CallLogCallback(String, String, LogType, Boolean)
UnityEngine.DebugLogHandler:Internal_Log(LogType, LogOption, String, Object)
UnityEngine.DebugLogHandler:LogFormat(LogType, Object, String, Object[])
UnityEngine.Logger:Log(LogType, Object)
UnityEngine.Debug:LogError(Object)
Verse.Log:Verse.Log.Error_Patch3(String, Boolean)
Verse.TickList:Tick()
Verse.TickManager:Verse.TickManager.DoSingleTick_Patch1(TickManager)
Verse.TickManager:TickManagerUpdate()
Verse.Game:UpdatePlay()
Verse.Root_Play:Update()

Exception ticking ZL_PowerTransmitterColumn1171037 (at (120, 0, 132)): System.InvalidOperationException: Sequence contains no elements
at System.Linq.Enumerable.First[TSource] (System.Collections.Generic.IEnumerable`1[T] source) [0x00010] in <351e49e2a5bf4fd6beabb458ce2255f3>:0
at ZLevels.Building_PowerTransmitter.Tick () [0x00253] in <8c85f61d879647d7a0a65b4edd98a8cd>:0
at Verse.TickList.Tick () [0x0015c] in <d72310b4d8f64d25aee502792b58549f>:0
Verse.Log:Verse.Log.Error_Patch3(String, Boolean)
Verse.TickList:Tick()
Verse.TickManager:Verse.TickManager.DoSingleTick_Patch1(TickManager)
Verse.TickManager:TickManagerUpdate()
Verse.Game:UpdatePlay()
Verse.Root_Play:Update()

same issues here
how exactly does it work anyways? do I have to line them up or can I just place them anywhere?

For some reason my Power collume is very on/off, sometimes it works, sometimes it dosnt and i've just sorta shrugged at it and gone onwards

Had some problems with it too.
Power seems to flow alright in some situations, but stored power doesn't move to upper levels
So, just place your batteries upwards, it seems