Possible Clues:

• To do with a form of energy
• Vote the old force in, in the current manner
• Rousing
• Thrilling vote for right in charge
• Man taking in half of lectures describing power supplies?
• Return an old force to current power
• Causing suddent excitement - from generator?
• Of a type of energy
• Pick at food which doesn't appear completely thrilling
• Choose to have wealth reduced by half, producing a startling effect