diff --git a/redfish-core/lib/power_subsystem.hpp b/redfish-core/lib/power_subsystem.hpp
index 17ee1af..52e1ec9 100644
--- a/redfish-core/lib/power_subsystem.hpp
+++ b/redfish-core/lib/power_subsystem.hpp
@@ -35,6 +35,9 @@
         "redfish", "v1", "Chassis", chassisId, "PowerSubsystem");
     asyncResp->res.jsonValue["Status"]["State"] = "Enabled";
     asyncResp->res.jsonValue["Status"]["Health"] = "OK";
+    asyncResp->res.jsonValue["PowerSupplies"]["@odata.id"] =
+        crow::utility::urlFromPieces("redfish", "v1", "Chassis", chassisId,
+                                     "PowerSubsystem", "PowerSupplies");
 }
 
 inline void handlePowerSubsystemCollectionHead(
diff --git a/redfish-core/lib/power_supply.hpp b/redfish-core/lib/power_supply.hpp
new file mode 100644
index 0000000..9fffa19
--- /dev/null
+++ b/redfish-core/lib/power_supply.hpp
@@ -0,0 +1,123 @@
+#pragma once
+
+#include "app.hpp"
+#include "dbus_utility.hpp"
+#include "query.hpp"
+#include "registries/privilege_registry.hpp"
+#include "utils/chassis_utils.hpp"
+
+#include <memory>
+#include <optional>
+#include <string>
+
+namespace redfish
+{
+
+inline void updatePowerSupplyList(
+    const std::shared_ptr<bmcweb::AsyncResp>& /* asyncResp */,
+    const std::string& /* chassisId */,
+    const std::string& /* powerSupplyPath */)
+{
+    // TODO In order for the validator to pass, the Members property will be
+    // implemented on the next commit
+}
+
+inline void
+    doPowerSupplyCollection(const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
+                            const std::string& chassisId,
+                            const std::optional<std::string>& validChassisPath)
+{
+    if (!validChassisPath)
+    {
+        messages::resourceNotFound(asyncResp->res, "Chassis", chassisId);
+        return;
+    }
+
+    asyncResp->res.addHeader(
+        boost::beast::http::field::link,
+        "</redfish/v1/JsonSchemas/PowerSupplyCollection/PowerSupplyCollection.json>; rel=describedby");
+    asyncResp->res.jsonValue["@odata.type"] =
+        "#PowerSupplyCollection.PowerSupplyCollection";
+    asyncResp->res.jsonValue["Name"] = "Power Supply Collection";
+    asyncResp->res.jsonValue["@odata.id"] =
+        crow::utility::urlFromPieces("redfish", "v1", "Chassis", chassisId,
+                                     "PowerSubsystem", "PowerSupplies");
+    asyncResp->res.jsonValue["Description"] =
+        "The collection of PowerSupply resource instances.";
+
+    std::string powerPath = *validChassisPath + "/powered_by";
+    dbus::utility::getAssociationEndPoints(
+        powerPath, [asyncResp, chassisId](
+                       const boost::system::error_code& ec,
+                       const dbus::utility::MapperEndPoints& endpoints) {
+            if (ec)
+            {
+                if (ec.value() != EBADR)
+                {
+                    BMCWEB_LOG_ERROR << "DBUS response error" << ec.value();
+                    messages::internalError(asyncResp->res);
+                }
+                return;
+            }
+
+            for (const auto& endpoint : endpoints)
+            {
+                updatePowerSupplyList(asyncResp, chassisId, endpoint);
+            }
+        });
+}
+
+inline void handlePowerSupplyCollectionHead(
+    App& app, const crow::Request& req,
+    const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
+    const std::string& chassisId)
+{
+    if (!redfish::setUpRedfishRoute(app, req, asyncResp))
+    {
+        return;
+    }
+
+    redfish::chassis_utils::getValidChassisPath(
+        asyncResp, chassisId,
+        [asyncResp,
+         chassisId](const std::optional<std::string>& validChassisPath) {
+        if (!validChassisPath)
+        {
+            messages::resourceNotFound(asyncResp->res, "Chassis", chassisId);
+            return;
+        }
+        asyncResp->res.addHeader(
+            boost::beast::http::field::link,
+            "</redfish/v1/JsonSchemas/PowerSupplyCollection/PowerSupplyCollection.json>; rel=describedby");
+        });
+}
+
+inline void handlePowerSupplyCollectionGet(
+    App& app, const crow::Request& req,
+    const std::shared_ptr<bmcweb::AsyncResp>& asyncResp,
+    const std::string& chassisId)
+{
+    if (!redfish::setUpRedfishRoute(app, req, asyncResp))
+    {
+        return;
+    }
+
+    redfish::chassis_utils::getValidChassisPath(
+        asyncResp, chassisId,
+        std::bind_front(doPowerSupplyCollection, asyncResp, chassisId));
+}
+
+inline void requestRoutesPowerSupplyCollection(App& app)
+{
+    BMCWEB_ROUTE(app, "/redfish/v1/Chassis/<str>/PowerSubsystem/PowerSupplies/")
+        .privileges(redfish::privileges::headPowerSupplyCollection)
+        .methods(boost::beast::http::verb::head)(
+            std::bind_front(handlePowerSupplyCollectionHead, std::ref(app)));
+
+    BMCWEB_ROUTE(app, "/redfish/v1/Chassis/<str>/PowerSubsystem/PowerSupplies/")
+        .privileges(redfish::privileges::getPowerSupplyCollection)
+        .methods(boost::beast::http::verb::get)(
+            std::bind_front(handlePowerSupplyCollectionGet, std::ref(app)));
+}
+
+} // namespace redfish