Possible Clues:

• Eager beaver and then some
• Forceful fellow
• Device that generates electrical energy
• Only one-word anagram of a day of the week
• Juice supplier loads up party bags
• Raymond failing to start faulty generator
• Energetic type held back by so many distractions
• Type A, often
• Generator (sometimes 'human'?)
• Energetic person flipping lots during party