Possible Clues:

• Power cut
• Need in contest for reporting restrictions
• Give up, having been broken by large loss of energy?
• Electrical woe
• Want to come in fit, but there's lack of power
• That will make one not conscious enough to miss something in the attack
• When power's gone, want to break up fight
• Compulsory darkness during wartime, or temporary loss of memory
• Not white not in not light
• Loss of consciousness