The following bands have played ProgPower before (alphabatical order):

21 Eyes Of Ruby (the netherlands, 2008)
A.C.T. (sweden, 2002)
Adagio (france, 2004)
After Forever (the netherlands, 2000, 2002)
Akphaezya (france, 2009)
Alarum (australia, 2008)
Alchemist (australia, 2004, 2007)
All Too Human (usa, 2004)
Anathema (uk, 2001)
Andromeda (sweden, 2001, 2003, 2009)
Anomaly (the netherlands, 2001)
Another Messiah (the netherlands, 2006)
Anubis Gate (denmark, 2005)
Arabesque (the netherlands, 2000, 2002)
Ashes To Ashes (norway, 2002)
Atrox (norway, 2008)
Brayndance (germany, 2000)
Chaos Divine (australia, 2009)
Chaoswave (the netherlands, 2006)
Chrome Shift (denmark, 2003)
Cilice (the netherlands, 2008)
Circus Maximus (norway, 2007)
Cirrha Niva (the netherlands, 2009)
Cloudscape (sweden, 2005, 2009)
Communic (norway, 2006)
Cynic (usa, 2008)
Dark Suns (germany, 2006)
Day Six (the netherlands, 2007)
Dead Soul Tribe (austria, 2002)
Devin Townsend Band (canada, 2004)
DGM (italy, 2007)
Disillusion (germany, 2005)
Divided Multitude (norway, 2002)
Division By Zero (poland, 2008)
Dreamscape (germany, 2007)
Dynamic Lights (italy, 2005)
Elegy (the netherlands, 2003)
Enochian Theory (uk, 2009)
Ephal Duath (italy, 2006)
Epica (the netherlands, 2004)
Evergrey (sweden, 1999, 2000, 2003, 2009)
Everon (germany, 2003)
Forever Times (the netherlands, 1999)
Green Carnation (norway, 2003, 2005)
Hacride (france, 2009)
Heaven’s Cry (canada, 2002)
Into Eternity (canada, 2001, 2004)
Jon Oliva’s Pain (usa, 2007)
Katataonia (sweden, 2004)
Knight Area (the netherlands, 2009)
Lemur Voice (the netherlands, 1999)
Manticora (denmark, 2000)
Mayadome (sweden, 1999)
Mercenary (denmark, 2006, 2009)
Meyvn (usa, 2007)
Nahemah (spain, 2007, 2009)
Neverland (turkey/greece, 2009)
Nightingale (sweden, 2003)
Non Divine (the netherlands, 2007)
Nova Art (russia, 2006)
Novact (the netherlands, 2004)
Novembre (italy, 2003)
Oceans Of Sadness (belgium, 2007)
Opeth (sweden, 2000)
Orphaned Land (israel, 2005, 2007)
Prospect (slovenia, 2009)
Pagan’s Mind (norway, 2003, 2005, 2008)
Pain Of Salvation (sweden, 1999, 2001, 2005)
Pathosray (italy, 2008)
Platitude (sweden, 2004)
Poverty’s No Crime (germany, 1999, 2001)
Riverside (poland, 2004, 2006)
Scar Symmetry (sweden, 2006)
Seventh Wonder (sweden, 2009)
Sieges Even (germany, 2007)
Silent Edge (the netherlands, 2001)
Sonic Debris (norway, 2000)
Sphere Of Souls (the netherlands, 2006)
Spiral Architect (norway, 2000)
Stonehenge (hungary, 2002)
Sun Caged (the netherlands, 2002, 2008)
Superior (germany, 1999, 2001)
Suspyre (usa, 2008)
Symmetry (the netherlands, 1999, 2003)
Textures (the netherlands, 2006)
The Aurora Project (the netherlands, 2005, 2008)
The Dust Connection (the netherlands, 2004)
The Gathering (netherlands, 2004)
Threshold (uk, 1999, 2002)
Throes Of Dawn (finland, 2005)
Tomorrow’s Eve (germany, 2004)
Vandenplas (germany, 2001, 2003)
Vanity (poland, 2009)
Voyager (australia, 2006)
Wolverine (sweden, 1999, 2001, 2005, 2008)
Xystus (the netherlands, 2003)
Zero Hour (usa, 2001, 2008)