Various cheats

Add -dev parameter to the game shortcut.
Example: 
"C:\Program Files\THQ\Dawn of War - Soulstorm\Soulstorm.exe" -Dev

Bring up the console to enable cheats:
CTRL + SHIFT + ~ (tilde)

Some cheats only work for Skirmish Mode To enable those:
Make sure "Allow Cheats" under Game Options is set to YES. 

Cheat code:              Effect:
FOW_ReveallAll           Remove Fog of War 
fog_toggle               Remove Fog 
sd_instant_build = 1     Activate Instant Build Player + CPU 
sd_instant_build = 0     Disable Instant Build 

FOLLOWING CHEATS SKIRMISH MODE ONLY 

Cheat code:              Effect:
cheat_power(#)           Get Set amount of Power 
cheat_requisition(#)     Get Set amount of Requistion 
cheat_revealall          Show Entire Map 
cheat_killself           Suicide 
taskbar_hide             Hide Taskbar 
taskbar_show             Show Taskbar