diff --git a/lib/bmc_redfish_utils.robot b/lib/bmc_redfish_utils.robot
index b950f5e..0efb347 100644
--- a/lib/bmc_redfish_utils.robot
+++ b/lib/bmc_redfish_utils.robot
@@ -137,3 +137,5 @@
     ${invalid_records}=  Filter Struct  ${records}
     ...  [('Health', '^OK$'), ('State', '^Enabled$'), ('${reading_type}', '')]  regex=1  invert=1
     Valid Length  invalid_records  max_length=0
+
+    [Return]  ${records}
diff --git a/redfish/systems/test_powersupply_readings.robot b/redfish/systems/test_powersupply_readings.robot
index 21910da..e7ac350 100755
--- a/redfish/systems/test_powersupply_readings.robot
+++ b/redfish/systems/test_powersupply_readings.robot
@@ -32,6 +32,32 @@
     Voltages        ${REDFISH_CHASSIS_POWER_URI}       ReadingVolts
 
 
+Verify Power Supplies Efficiency Percentage
+    [Documentation]  Verify the efficiency percentage is set to correct value.
+    [Tags]  Verify_Power_Supplies_Efficiency_Percentage
+
+    # Example output:
+    # records:
+    #   [0]:
+    #     [@odata.id]:                /redfish/v1/Chassis/chassis/Power#/PowerSupplies/0
+    #     [EfficiencyPercent]:        90
+    #     [IndicatorLED]:             Off
+    #     [Manufacturer]:
+    #     [MemberId]:                 powersupply0
+    #     [Model]:                    2B1D
+    #     [Name]:                     powersupply0
+    #     [PartNumber]:               01KL779
+    #     [PowerInputWatts]:          106.0
+    #     [SerialNumber]:             75B1C2
+    #     [Status]:
+    #       [Health]:                 OK
+    #       [State]:                  Enabled
+
+    ${records}=  Verify Valid Records  PowerSupplies  ${REDFISH_CHASSIS_POWER_URI}  EfficiencyPercent
+    ${efficiency_percentages}=  Nested Get  EfficiencyPercent  ${records}
+    Valid List  efficiency_percentages  [90]
+
+
 *** Keywords ***
 
 Verify Watts Record
@@ -64,6 +90,7 @@
 
     Valid Length  invalid_records  max_length=0
 
+
 Suite Teardown Execution
     [Documentation]  Do the post suite teardown.