There are at least ten acts/bands called Power. The one that is currently the most popular is listed ast #1.
These are photos from concerts where Power played, so they may be of other bands that played the concert as well.
Power / Brain Rash / Bum City Saints / XTOM HANX Nov 14, 2012 Sacramento, California, United States Uploaded by Sacramento Shows
Alaric / Catch Hell / Landlock / Power / P.R.O.B.L.E.M.S. / Rat Damage / Suicide Bomb Sep 4, 2010 Sacramento, California, United States Uploaded by Sacramento Shows