diff --git a/monitor/power_interface.hpp b/monitor/power_interface.hpp
new file mode 100644
index 0000000..1a339c5
--- /dev/null
+++ b/monitor/power_interface.hpp
@@ -0,0 +1,59 @@
+#pragma once
+
+namespace phosphor::fan::monitor
+{
+
+/**
+ * @class PowerInterfaceBase
+ *
+ * The base class that contains the APIs to do power offs.
+ * This is required so it can be mocked in testcases.
+ */
+class PowerInterfaceBase
+{
+  public:
+    PowerInterfaceBase() = default;
+    virtual ~PowerInterfaceBase() = default;
+    PowerInterfaceBase(const PowerInterfaceBase&) = delete;
+    PowerInterfaceBase& operator=(const PowerInterfaceBase&) = delete;
+    PowerInterfaceBase(PowerInterfaceBase&&) = delete;
+    PowerInterfaceBase& operator=(PowerInterfaceBase&&) = delete;
+
+    /**
+     * @brief Perform a soft power off
+     */
+    virtual void softPowerOff() = 0;
+
+    /**
+     * @brief Perform a hard power off
+     */
+    virtual void hardPowerOff() = 0;
+};
+
+/**
+ * @class PowerInterface
+ *
+ * Concrete class to perform power offs
+ */
+class PowerInterface : public PowerInterfaceBase
+{
+  public:
+    PowerInterface() = default;
+    ~PowerInterface() = default;
+    PowerInterface(const PowerInterface&) = delete;
+    PowerInterface& operator=(const PowerInterface&) = delete;
+    PowerInterface(PowerInterface&&) = delete;
+    PowerInterface& operator=(PowerInterface&&) = delete;
+
+    /**
+     * @brief Perform a soft power off
+     */
+    void softPowerOff() override;
+
+    /**
+     * @brief Perform a hard power off
+     */
+    void hardPowerOff() override;
+};
+
+} // namespace phosphor::fan::monitor