diff --git a/phosphor-power-supply/power_supply.hpp b/phosphor-power-supply/power_supply.hpp
index e5c1e76..419e1a7 100644
--- a/phosphor-power-supply/power_supply.hpp
+++ b/phosphor-power-supply/power_supply.hpp
@@ -21,10 +21,14 @@
     ~PowerSupply() = default;
 
     /**
-     * @param[in] invpath - string for inventory path to use
+     * @param[in] invpath - String for inventory path to use
+     * @param[in] i2cbus - The bus number this power supply is on
+     * @param[in] i2caddr - The 16-bit I2C address of the power supply
      */
-    PowerSupply(sdbusplus::bus::bus& bus, const std::string& invpath) :
-        bus(bus), inventoryPath(invpath)
+    PowerSupply(sdbusplus::bus::bus& bus, const std::string& invpath,
+                std::uint8_t i2cbus, const std::string& i2caddr) :
+        bus(bus),
+        inventoryPath(invpath), i2cbus(i2cbus), i2caddr(i2caddr)
     {
         // Setup the functions to call when the D-Bus inventory path for the
         // Present property changes.
@@ -104,6 +108,19 @@
      **/
     std::string inventoryPath;
 
+    /**
+     * @brief I2C bus that this power supply is on.
+     */
+    std::uint8_t i2cbus;
+
+    /**
+     * @brief I2C address of this power supply.
+     *
+     * The PMBus device driver will put this in a path with 16-bit address,
+     * represented as a file path string.
+     */
+    std::string i2caddr;
+
     /** @brief True if the power supply is present. */
     bool present = false;