diff --git a/phosphor-regulators/src/meson.build b/phosphor-regulators/src/meson.build
index ef4bec8..7415050 100644
--- a/phosphor-regulators/src/meson.build
+++ b/phosphor-regulators/src/meson.build
@@ -12,6 +12,7 @@
     'exception_utils.cpp',
     'id_map.cpp',
     'pmbus_utils.cpp',
+    'rail.cpp',
     'system.cpp',
 
     'actions/if_action.cpp',
diff --git a/phosphor-regulators/src/rail.cpp b/phosphor-regulators/src/rail.cpp
new file mode 100644
index 0000000..e95b396
--- /dev/null
+++ b/phosphor-regulators/src/rail.cpp
@@ -0,0 +1,35 @@
+/**
+ * Copyright © 2020 IBM Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "rail.hpp"
+
+#include "chassis.hpp"
+#include "device.hpp"
+#include "system.hpp"
+
+namespace phosphor::power::regulators
+{
+
+void Rail::configure(System& system, Chassis& chassis, Device& device)
+{
+    // If configuration changes are defined for this rail, apply them
+    if (configuration)
+    {
+        configuration->execute(system, chassis, device, *this);
+    }
+}
+
+} // namespace phosphor::power::regulators
diff --git a/phosphor-regulators/src/rail.hpp b/phosphor-regulators/src/rail.hpp
index 19e8a58..9e0ce3d 100644
--- a/phosphor-regulators/src/rail.hpp
+++ b/phosphor-regulators/src/rail.hpp
@@ -25,6 +25,11 @@
 namespace phosphor::power::regulators
 {
 
+// Forward declarations to avoid circular dependencies
+class Chassis;
+class Device;
+class System;
+
 /**
  * @class Rail
  *
@@ -62,6 +67,20 @@
     }
 
     /**
+     * Configure this rail.
+     *
+     * Applies the configuration changes that are defined for this rail, if any.
+     *
+     * This method should be called during the boot before regulators are
+     * enabled.
+     *
+     * @param system system that contains the chassis
+     * @param chassis chassis that contains the device
+     * @param device device that contains this rail
+     */
+    void configure(System& system, Chassis& chassis, Device& device);
+
+    /**
      * Returns the configuration changes to apply to this rail, if any.
      *
      * @return Pointer to Configuration object.  Will equal nullptr if no