diff --git a/phosphor-power-supply/power_supply.hpp b/phosphor-power-supply/power_supply.hpp
index bc57a83..3cc7fcb 100644
--- a/phosphor-power-supply/power_supply.hpp
+++ b/phosphor-power-supply/power_supply.hpp
@@ -468,6 +468,10 @@
     /** @brief Will be updated with latest converted value read from READ_VIN */
     int inputVoltage = phosphor::pmbus::in_input::VIN_VOLTAGE_0;
 
+    /** @brief Will be updated with the actual voltage last read from READ_VIN
+     */
+    double actualInputVoltage = 0;
+
     /** @brief True if an error for a fault has already been logged. */
     bool faultLogged = false;