power

code/modules/events/grid_check.dm

@@ -45,6 +45,8 @@
 			continue
 		if(C.cell)
 			C.cell.charge = 0
+	for(var/obj/machinery/power/P in GLOB.machines)
+		P.malfunction = TRUE
 
 /proc/power_restore(var/announce = 1)
 	var/list/skipped_areas = list(/area/turret_protected/ai)
@@ -67,6 +69,8 @@
 		S.input_attempt = S.last_input_attempt
 		S.update_icon()
 		S.power_change()
+	for(var/obj/machinery/power/P in GLOB.machines)
+		P.malfunction = FALSE
 
 /proc/power_restore_quick(var/announce = 1)
 	if(announce)

code/modules/power/power.dm

@@ -15,6 +15,7 @@
 	use_power = NO_POWER_USE
 	idle_power_usage = 0
 	active_power_usage = 0
+	var/malfunction = FALSE
 
 /obj/machinery/power/Destroy()
 	disconnect_from_network()
@@ -30,7 +31,7 @@
 // Non-machines should use add_delayedload(), delayed_surplus(), newavail()
 
 /obj/machinery/power/proc/add_avail(amount)
-	if(powernet)
+	if(powernet && !malfunction)
 		powernet.newavail += amount
 		return TRUE
 	else