diff --git a/redfish-core/lib/chassis.hpp b/redfish-core/lib/chassis.hpp
index ae52d28..fa10d5c 100644
--- a/redfish-core/lib/chassis.hpp
+++ b/redfish-core/lib/chassis.hpp
@@ -126,6 +126,7 @@
         Node::json["@odata.context"] = "/redfish/v1/$metadata#Chassis.Chassis";
         Node::json["Name"] = "Chassis Collection";
         Node::json["ChassisType"] = "RackMount";
+        Node::json["PowerState"] = "On";
 
         entityPrivileges = {
             {boost::beast::http::verb::get, {{"Login"}}},