Ports https://github.com/tgstation/tgstation/pull/50497

code/modules/power/monitor.dm

@@ -10,6 +10,9 @@
 	idle_power_usage = 20
 	active_power_usage = 100
 	circuit = /obj/item/circuitboard/computer/powermonitor
+	tgui_id = "PowerMonitor"
+	ui_x = 550
+	ui_y = 700
 
 	var/obj/structure/cable/attached_wire
 	var/obj/machinery/power/apc/local_apc
@@ -19,8 +22,6 @@
 	var/record_interval = 50
 	var/next_record = 0
 	var/is_secret_monitor = FALSE
-	tgui_id = "power_monitor"
-	ui_style = "ntos"
 
 /obj/machinery/computer/monitor/secret //Hides the power monitor (such as ones on ruins & CentCom) from PDA's to prevent metagaming.
 	name = "outdated power monitoring console"
@@ -87,7 +88,7 @@
 											datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
 	if(!ui)
-		ui = new(user, src, ui_key, tgui_id, name, 550, 700, master_ui, state)
+		ui = new(user, src, ui_key, "PowerMonitor", name, ui_x, ui_y, master_ui, state)
 		ui.open()
 
 /obj/machinery/computer/monitor/ui_data()