public utility

American  

noun

1. a business enterprise, as a public-service corporation, performing an essential public service and regulated by the federal, state, or local government.

2. Usually public utilities. stocks or bonds of public-utility companies, excluding railroads.

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public utility British  

noun

1. Also called (US): public-service corporation.  an enterprise concerned with the provision to the public of essentials, such as electricity or water

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public utility Cultural  

1. A private company supplying water, gas, electricity, telephone service, or the like, which is granted a monopoly by the government and then regulated by the government.

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Other Word Forms

• public-utility
  adjective

Etymology

Origin of public utility

First recorded in 1900–05

Example Sentences

The company is working with the Tennessee Valley Authority, a public utility known as the TVA, on that project.

From Barron's • Mar. 20, 2026

The model now providing depoliticized ATC in nearly 100 countries is an aviation public utility, funded entirely by system fees and charges.

From The Wall Street Journal • Nov. 19, 2025

More recently, the public utility said it couldn’t provide a price tag, and that, although possible, undergrounding transmission lines is rare, complex and expensive.

From Los Angeles Times • Aug. 10, 2025

Burien chose land owned by Seattle City Light, Seattle’s public utility for electricity.

From Seattle Times • May 20, 2024

It gave the public its first intimation of the status of coal as that of a public utility.

From The Coming of Coal by Bruere, Robert W.