Crossword Genius

New creator of energy (7)

Ross

I believe the answer is:

reactor

I'm a little stuck... Click here to teach me more about this clue!

'energy' is the definition.
Although both the answer and definition are singular nouns, I don't see how they can define each other.

'new creator' is the wordplay.
'new' indicates an anagram.
'creator' with letters rearranged gives 'REACTOR'.

'of' acts as a link.

Can you help me to learn more?

(Other definitions for reactor that I've seen before include "Provider of nuclear power" , "(Nuclear) powerplant" , "Nuclear power station core" , "Nuclear installation" , "I swing back" .)

I've seen this clue in the Evening Standard.
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