diff --git a/xyz/openbmc_project/Control/PowerSupplyRedundancy.interface.yaml b/xyz/openbmc_project/Control/PowerSupplyRedundancy.interface.yaml
new file mode 100644
index 0000000..b99d51b
--- /dev/null
+++ b/xyz/openbmc_project/Control/PowerSupplyRedundancy.interface.yaml
@@ -0,0 +1,7 @@
+description: >
+    An interface to set whether the power supplies are redundant.
+properties:
+    - name: PowerSupplyRedundancyEnabled
+      type: boolean
+      description: >
+          When true, the power supplies are redundant.