diff --git a/yaml/xyz/openbmc_project/State/Decorator/PowerState.interface.yaml b/yaml/xyz/openbmc_project/State/Decorator/PowerState.interface.yaml
new file mode 100644
index 0000000..4f8ea2d
--- /dev/null
+++ b/yaml/xyz/openbmc_project/State/Decorator/PowerState.interface.yaml
@@ -0,0 +1,29 @@
+description: >
+    Implement to indicate the power state of the object
+properties:
+    - name: PowerState
+      type: enum[self.State]
+      default: Unknown
+      description: >
+        The current power status of the object.
+
+enumerations:
+  - name: State
+    description: >
+      Power state enum.
+    values:
+      - name: On
+        description: >
+         The state of the object is powered on.
+      - name: Off
+        description: >
+         The state of the object is powered off.
+      - name: PoweringOn
+        description: >
+         The object is in a temporary state between off and on.
+      - name: PoweringOff
+        description: >
+         The object is in a temporary state between on and off.
+      - name: Unknown
+        description: >
+         The power state is unknown.