The most common and most likely answer to this crossword clue is the 7 letter word DYNAMOS
D
Y
N
A
M
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S
More clues leading to the result DYNAMOS
- Energy suppliers' loads go up during parties
- Happy Mondays - a bunch of go-getters?
- Monday's awkward for current suppliers
- Such a number of daughters picked up energetic people
- Generators died, rotating such a lot
- Happy Mondays, highly energetic people?
- Energetic people getting degree, such a huge number to be promoted
- Such a lot of low- grade reversing generators
- Democrat meets so many up-and-coming go-getters
Buddy explains!

The straight part
We know that "Energetic people" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case energetic people = dynamos.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DYNAMOS mean?
DYNAMOS noun- An electricity generator, a dynamo-electric machine.
- An energetic person.