wind farm vs powerhouse

wind farm and powerhouse both are nouns.

Word	Noun	Adjective	Verb	Adverb
wind farm	Yes	No	No	No
powerhouse	Yes	No	No	No

As nouns, powerhouse is a hypernym of wind farm; that is, powerhouse is a word with a broader meaning than wind farm:

Other hypernyms of wind farm include power plant, power station.

wind farm (noun)	powerhouse (noun)
a power plant that uses wind turbines to generate electricity	an electrical generating station
	a team considered to be the best of its class
	a highly energetic and indefatigable person