The phrase "creative powerhouse" is correct and usable in written English.
You can use it to describe someone or something that is extremely creative and produces a large amount of creative work. Example: "The company's design team was considered a creative powerhouse, constantly coming up with innovative ideas and producing successful campaigns."
That leaves the world's creative powerhouse vulnerable.
Even so, many agreed that Milan was no longer the creative powerhouse it had once been.
A BBC that continues to help Britain be a creative powerhouse, recognised the world over.
Taylor was a formidable creative powerhouse who genuinely believed we could learn from history.
Under his leadership, the office cemented its reputation as a creative powerhouse winning numerous awards.
Yet South Korea's mild paranoia about controlling information harms its reputation as a liberal democracy and undermines its potential as a creative powerhouse.
New York certainly has its share of creative powerhouses (think Daniel Boulud, Eric Ripert, David Chang).
This sophistication has largely come from Marvel Comics (birthplace of "The X-Men") and its creative powerhouses, Mr. Lee and the artist-writer Jack Kirby.
A bogus moral superiority, fixation with cultural authenticity and a stifling national identity have become the abiding principles for all those who look on at the world's economic and creative powerhouses with resentment and baffled fury.
DreamWorks is one of the most creative powerhouses in Hollywood, run by three of the industry's hottest talents: Steven Spielberg, Jeffrey Katzenberg, a former creative whiz at Disney, and David Geffen, an ex-record-industry boss, who launched such groups as Nirvana.At present, DreamWorks has no distribution channel, and so relies heavily on the quality of its content.
Just...how: In 2013 Harris could command anything up to $1m for a single appearance, plus ongoing sales of his album 18 Months – an electro abomination featuring UK creative powerhouses Ellie Goulding and Example; an album which is to dance music what a handful of dog excrement is to a caviar hors d'oeuvre.
