noun, plural pow·er·hous·es [pou-er-hou-ziz for 1; pou-er-hou-siz for 2] /ˈpaʊ ərˌhaʊ zɪz for 1; ˈpaʊ ərˌhaʊ sɪz for 2/.
Examples from the Web for powerhouse
I think Alysha Umphress doing “I Can Cook Too” is a powerhouse number.Nigel Lythgoe on How to Save Reality TV, ‘On the Town,’ and ‘Brokeback Ballroom’|Kevin Fallon|October 22, 2014|DAILY BEAST
Think how long AIPAC had been around before it became the powerhouse that it is today.
All signs pointed toward the Parisian powerhouse, however, and Wang eventually made the move to the brand.Alexander Wang First Said No To Balenciaga; September Cover Stars Revealed|The Fashion Beast Team|July 2, 2013|DAILY BEAST
Although Lutfi said he set up meetings with a powerhouse talent agent and entertainment lawyer, Spears did not sign with them.Was ‘Manager’ Sam Lutfi Britney Spears’s Savior, or Her Svengali?|Maria Elena Fernandez|October 30, 2012|DAILY BEAST
One Direction snags three Moonmen, Frank Ocean and Rihanna turn in powerhouse performances, and Snooki gets slammed.Rihanna, One Direction, Frank Ocean & More: 7 Best Moments from 2012 VMAs (VIDEO)|Shannon Donnelly|September 7, 2012|DAILY BEAST
He looked toward the bright lights of the powerhouse, considering whether he should return.The Stutterer|R.R. Merliss
The whirr of flapping leathern bands and hum of dynamos from the powerhouse urged Stephen to be on.Ulysses|James Joyce
With the peculiar reverberation of sound over water, two motorcycles started from the powerhouse along the crest of the dam.Space Platform|Murray Leinster
You're a regular "powerhouse" of possibilities if you have enough gumption to utilize them.The Beaver, Vol. I, No. 4, January 1921|Hudson's Bay Company
"We have a powerhouse here," he said, flipping the paper across the table.The K-Factor|Harry Harrison (AKA Henry Maxwell Dempsey)