Powerhouse (noun)

1. A building or facility that generates or supplies power, especially electricity.
2. An organization or group that is extremely powerful or influential.
3. A person or thing that is extremely powerful or influential.

Origin:

The word powerhouse comes from the phrase "a house of power" which is used to describe a building or organization that generates or supplies power. the word has been in use since the 19th century.

Examples:

1. The powerhouse of the dam generates electricity.
2. The company is a powerhouse in the technology industry.
3. She is a powerhouse in the boardroom.
4. He is a powerhouse on the field.
5. The team is a powerhouse in their league.