Plugin for Details! if you don't have Details! installed, download through the wago client.
What this plugin is for: This plugin monitors the amount of Alternate power of each raid member in encounters where these additional power bars is used.
How to show the plugin window: While in a raid group, get or create a new (/details new) window of Details!. On the cogwheel menu Choose "Raid (plugins)" and select Raid Power Bars on the sub menu.