diff --git a/monitor/power_interface.hpp b/monitor/power_interface.hpp
index 1a339c5..e0a802d 100644
--- a/monitor/power_interface.hpp
+++ b/monitor/power_interface.hpp
@@ -1,5 +1,7 @@
 #pragma once
 
+#include "types.hpp"
+
 namespace phosphor::fan::monitor
 {
 
@@ -28,6 +30,13 @@
      * @brief Perform a hard power off
      */
     virtual void hardPowerOff() = 0;
+
+    /**
+     * @brief Sets the thermal alert D-Bus property
+     *
+     * @param[in] alert - The alert value
+     */
+    virtual void thermalAlert(bool alert) = 0;
 };
 
 /**
@@ -38,7 +47,7 @@
 class PowerInterface : public PowerInterfaceBase
 {
   public:
-    PowerInterface() = default;
+    PowerInterface() = delete;
     ~PowerInterface() = default;
     PowerInterface(const PowerInterface&) = delete;
     PowerInterface& operator=(const PowerInterface&) = delete;
@@ -46,6 +55,15 @@
     PowerInterface& operator=(PowerInterface&&) = delete;
 
     /**
+     * @brief Constructor
+     *
+     * @param[in] ThermalAlertObject& - The thermal alert D-Bus object
+     */
+    explicit PowerInterface(ThermalAlertObject& alertObject) :
+        _alert(alertObject)
+    {}
+
+    /**
      * @brief Perform a soft power off
      */
     void softPowerOff() override;
@@ -54,6 +72,22 @@
      * @brief Perform a hard power off
      */
     void hardPowerOff() override;
+
+    /**
+     * @brief Sets the thermal alert D-Bus property
+     *
+     * @param[in] alert - The alert value
+     */
+    void thermalAlert(bool alert) override
+    {
+        _alert.enabled(alert);
+    }
+
+  private:
+    /**
+     * @brief Reference to the thermal alert D-Bus object
+     */
+    ThermalAlertObject& _alert;
 };
 
 } // namespace phosphor::fan::monitor