Crossword Genius

This would be wrongly seen as poor in watts, without energy (5,7)

Ross

I believe the answer is:

power station

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

'this would be wrongly seen as poor in watts without' is the definition.
The definition suggests a singular noun which matches the answer.

'energy' is the wordplay.
I cannot really understand how this works, but
'energy' could be 'power' (synonyms) and 'power' is present in the answer.
The remaining letters 'station' is a valid word which might be clued in a way I don't see.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

(Other definitions for power station that I've seen before include "large generator of electricity" , "Generating installation" , "Energy provider" .)

I've seen this clue in The Telegraph.
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