diff --git a/data/Witherspoon.py b/data/Witherspoon.py
index 321c8ca..cc3960d 100755
--- a/data/Witherspoon.py
+++ b/data/Witherspoon.py
@@ -447,6 +447,8 @@
         0xb3 : '/org/openbmc/sensors/host/powercap',
         0x02 : '/org/openbmc/sensors/host/OperatingSystemStatus',
         0xb6 : '<inventory_root>/system/chassis/motherboard/pcielink',
+        0xD8 : '/org/openbmc/sensors/host/PowerSupplyRedundancy',
+        0xb4 : '/org/openbmc/sensors/host/PowerSupplyDerating',
     },
     'GPIO_PRESENT' : {}
 }
diff --git a/tests/test_sensors.robot b/tests/test_sensors.robot
index a62b018..9510895 100644
--- a/tests/test_sensors.robot
+++ b/tests/test_sensors.robot
@@ -118,6 +118,24 @@
     Read The Attribute  ${uri}     value
     Response Should Be Equal    Disabled
 
+Verify OCC Power Supply Redundancy
+    [Documentation]  Check if OCC's power supply is set to not redundant.
+    [Tags]  Verify_OCC_Power_Supply_Redundancy
+    ${uri}=  Get System Component  PowerSupplyRedundancy
+
+    Read The Attribute  ${uri}  value
+    Response Should Be Equal  Disabled
+
+Verify OCC Power Supply Derating Value
+    [Documentation]  Check if OCC's power supply derating value
+    ...  is set correctly to a constant value 10.
+    [Tags]  Verify_OCC_Power_Supply_Derating_Value
+
+    ${uri}=  Get System Component  PowerSupplyDerating
+
+    Read The Attribute  ${uri}  value
+    Response Should Be Equal  ${10}
+
 CPU Present
     [Tags]  CPU_Present