Origin of public utility
Examples from the Web for public utility
Public-utility companies include street-railway, gas, electric-light and power, and water companies.
They form a class quite distinct from railroad bonds or public-utility bonds.
In general, it is certainly more difficult to dispose of public-utility bonds than railroad bonds.
Public-utility organizations and government departments were growing complex and extensive.Time Telling through the Ages|Harry Chase Brearley
In regard to the former, it may be said at once that public-utility bonds do not meet the necessary conditions.