--- /etc/dbus-1/system.d/powerd.conf	2014-03-27 21:07:59.000000000 +0000
+++ powerd.conf	2014-03-28 09:27:29.000000000 +0000
@@ -59,4 +59,8 @@
 
   </policy>
 
+  <policy at_console="true">
+    <allow send_destination="com.canonical.powerd"/>
+  </policy>
+
 </busconfig>