diff --git a/code/modules/power/powernet.dm b/code/modules/power/powernet.dm
index e811ffeafc8..ac2b5ea3985 100644
--- a/code/modules/power/powernet.dm
+++ b/code/modules/power/powernet.dm
@@ -1,7 +1,17 @@
 ////////////////////////////////////////////
-// POWERNET DATUM PROCS
+// POWERNET DATUM
 // each contiguous network of cables & nodes
-////////////////////////////////////////////
+/////////////////////////////////////
+/datum/powernet
+	var/list/cables = list()	// all cables & junctions
+	var/list/nodes = list()		// all connected machines
+
+	var/load = 0				// the current load on the powernet, increased by each machine at processing
+	var/newavail = 0			// what available power was gathered last tick, then becomes...
+	var/avail = 0				//...the current available power in the powernet
+	var/viewload = 0			// the load as it appears on the power console (gradually updated)
+	var/number = 0				// Unused //TODEL
+	var/netexcess = 0			// excess power on the powernet (typically avail-load)///////
 
 /datum/powernet/New()
 	SSpower.powernets += src