diff --git a/services/psu-update@.service b/services/psu-update@.service
new file mode 100644
index 0000000..08e3c6e
--- /dev/null
+++ b/services/psu-update@.service
@@ -0,0 +1,17 @@
+# This service shall be started with two arguments:
+#  * The PSU inventory DBus object
+#  * The path of the PSU images
+# E.g.
+#  "psu-update@-xyz-openbmc_project-inventory-system-chassis-motherboard-powersupply0\x20-tmp-image-abcdefg.service"
+# expands to
+#  /bin/echo To update /xyz/openbmc_project/inventory/system/chassis/motherboard/powersupply0 /tmp/image/abcdefg
+
+[Unit]
+Description=Update PSU %I
+
+[Service]
+Type=oneshot
+RemainAfterExit=no
+Environment="ARGS=%I"
+ExecStart=/bin/echo To update $ARGS
+ExecStart=/bin/false