diff --git a/panels/shutdown.py b/panels/shutdown.py
index 0dcb45c3..08ef1423 100644
--- a/panels/shutdown.py
+++ b/panels/shutdown.py
@@ -79,4 +79,12 @@ class Panel(ScreenPanel):
             if method == "reboot":
                 self._screen._ws.send_method("machine.reboot")
             else:
+                self.turn_off_power_devices()
                 self._screen._ws.send_method("machine.shutdown")
+
+    def turn_off_power_devices(self):
+        if self.ks_printer_cfg is not None and self._screen._ws.connected:
+            power_devices = self.ks_printer_cfg.get("power_devices", "")
+            if power_devices and self._printer.get_power_devices():
+                logging.info(f"Turning off associated power devices: {power_devices}")
+                self._screen.power_devices(widget=None, devices=power_devices, on=False)