diff --git a/meta-phosphor/recipes-phosphor/settings/phosphor-settings-defaults/defaults.yaml b/meta-phosphor/recipes-phosphor/settings/phosphor-settings-defaults/defaults.yaml
index de00b8e..0903760 100644
--- a/meta-phosphor/recipes-phosphor/settings/phosphor-settings-defaults/defaults.yaml
+++ b/meta-phosphor/recipes-phosphor/settings/phosphor-settings-defaults/defaults.yaml
@@ -104,6 +104,12 @@
           TPMEnable:
              Default: 'false'
 
+/xyz/openbmc_project/control/power_supply_attributes:
+    - Interface: xyz.openbmc_project.Control.PowerSupplyAttributes
+      Properties:
+          DeratingFactor:
+             Default: 90
+
 /xyz/openbmc_project/control/power_supply_redundancy:
     - Interface: xyz.openbmc_project.Control.PowerSupplyRedundancy
       Properties: