diff --git a/code/ATMOSPHERICS/components/trinary_devices/filter.dm b/code/ATMOSPHERICS/components/trinary_devices/filter.dm
index 21e1a34d33..bde060a11a 100755
--- a/code/ATMOSPHERICS/components/trinary_devices/filter.dm
+++ b/code/ATMOSPHERICS/components/trinary_devices/filter.dm
@@ -185,7 +185,7 @@
 		var/new_flow_rate = input(usr,"Enter new flow rate (0-[air1.volume]L/s)","Flow Rate Control",src.set_flow_rate) as num
 		src.set_flow_rate = max(0, min(air1.volume, new_flow_rate))
 	if(href_list["power"])
-		use_power=!use_power
+		update_use_power(!use_power)
 	src.update_icon()
 	src.updateUsrDialog()
 /*
diff --git a/code/game/machinery/bioprinter.dm b/code/game/machinery/bioprinter.dm
index f7e4749fe3..ec0366547f 100644
--- a/code/game/machinery/bioprinter.dm
+++ b/code/game/machinery/bioprinter.dm
@@ -161,7 +161,7 @@
 
 	container.reagents.remove_reagent("biomass", possible_list[choice][2])
 
-	use_power = USE_POWER_ACTIVE
+	update_use_power(USE_POWER_ACTIVE)
 	printing = 1
 	update_icon()
 
@@ -169,7 +169,7 @@
 
 	sleep(print_delay)
 
-	use_power = USE_POWER_IDLE
+	update_use_power(USE_POWER_IDLE)
 	printing = 0
 	update_icon()
 
diff --git a/code/game/machinery/computer/camera.dm b/code/game/machinery/computer/camera.dm
index 9adf2a0a43..10eb6bda85 100644
--- a/code/game/machinery/computer/camera.dm
+++ b/code/game/machinery/computer/camera.dm
@@ -182,7 +182,7 @@
 		if(istype(L))
 			L.tracking_cancelled()
 	current_camera = null
-	use_power = USE_POWER_IDLE
+	update_use_power(USE_POWER_IDLE)
 
 //Camera control: mouse.
 /atom/DblClick()
diff --git a/code/game/machinery/supplybeacon.dm b/code/game/machinery/supplybeacon.dm
index df40ba1a7d..20be7d52ca 100644
--- a/code/game/machinery/supplybeacon.dm
+++ b/code/game/machinery/supplybeacon.dm
@@ -80,7 +80,7 @@
 		return
 	set_light(3, 3, "#00CCAA")
 	icon_state = "beacon_active"
-	use_power = USE_POWER_IDLE
+	update_use_power(USE_POWER_IDLE)
 	if(user) to_chat(user, "<span class='notice'>You activate the beacon. The supply drop will be dispatched soon.</span>")
 
 /obj/machinery/power/supply_beacon/proc/deactivate(var/mob/user, var/permanent)
@@ -90,7 +90,7 @@
 	else
 		icon_state = "beacon"
 	set_light(0)
-	use_power = USE_POWER_OFF
+	update_use_power(USE_POWER_OFF)
 	target_drop_time = null
 	if(user) to_chat(user, "<span class='notice'>You deactivate the beacon.</span>")
 
diff --git a/code/game/objects/structures/holoplant.dm b/code/game/objects/structures/holoplant.dm
index 9a46b8ca15..bf2365a7b1 100644
--- a/code/game/objects/structures/holoplant.dm
+++ b/code/game/objects/structures/holoplant.dm
@@ -48,13 +48,13 @@
 	plant = prepare_icon(emagged ? "emagged" : null)
 	overlays += plant
 	set_light(2)
-	use_power = USE_POWER_ACTIVE
+	update_use_power(USE_POWER_ACTIVE)
 
 /obj/machinery/holoplant/proc/deactivate()
 	overlays -= plant
 	QDEL_NULL(plant)
 	set_light(0)
-	use_power = USE_POWER_OFF
+	update_use_power(USE_POWER_OFF)
 
 /obj/machinery/holoplant/power_change()
 	..()
diff --git a/code/modules/holodeck/HolodeckControl.dm b/code/modules/holodeck/HolodeckControl.dm
index 5783bfc398..2d02146315 100644
--- a/code/modules/holodeck/HolodeckControl.dm
+++ b/code/modules/holodeck/HolodeckControl.dm
@@ -301,7 +301,7 @@
 
 	last_change = world.time
 	active = 1
-	use_power = USE_POWER_ACTIVE
+	update_use_power(USE_POWER_ACTIVE)
 
 	for(var/item in holographic_objs)
 		derez(item)
@@ -362,7 +362,7 @@
 
 	last_gravity_change = world.time
 	active = 1
-	use_power = USE_POWER_IDLE
+	update_use_power(USE_POWER_IDLE)
 
 	if(A.has_gravity)
 		A.gravitychange(0)
@@ -377,4 +377,4 @@
 		linkedholodeck.gravitychange(1)
 
 	active = 0
-	use_power = USE_POWER_IDLE
+	update_use_power(USE_POWER_IDLE)
diff --git a/code/modules/power/lighting.dm b/code/modules/power/lighting.dm
index 92ea946db4..7e9edb67da 100644
--- a/code/modules/power/lighting.dm
+++ b/code/modules/power/lighting.dm
@@ -438,7 +438,7 @@ var/global/list/light_type_cache = list()
 				update_use_power(USE_POWER_ACTIVE)
 				set_light(brightness_range, brightness_power, brightness_color)
 	else if(has_emergency_power(LIGHT_EMERGENCY_POWER_USE) && !turned_off())
-		use_power = 1
+		update_use_power(USE_POWER_IDLE)
 		emergency_mode = TRUE
 		START_PROCESSING(SSobj, src)
 	else