The 20 Largest: Utilities in North America


Utilities in North America are crucial for providing essential services such as electricity, natural gas, water, and sewage to millions of households and businesses. They are foundational to economic stability, public health, and overall quality of life across the continent.

Major types of utilities

  • Power: Generate, transmit, and distribute electrical power. These utilities operate large power plants, wind farms, solar arrays, and hydroelectric dams to ensure a continuous supply of electricity.
  • Natural Gas: Supply fuel for heating, cooking, and electricity generation. These utilities manage extensive networks of pipelines and storage facilities.
  • Water: Provide clean drinking water and manage wastewater. These utilities maintain treatment plants, distribution systems, and sewage networks.
  • Sewage: Handle wastewater collection and treatment, ensuring that sewage is processed and returned to the environment safely.

Utilities are major employers and investors in infrastructure projects, contributing significantly to local and national economies. They also support industries by providing the energy and resources needed for production and operations.

Largest Public Utilities in North America

Company Type Country
NextEraPower and gasUS
Southern CompanyPower and gasUS
Duke EnergyPower and gasUS
Constellation EnergyPower and gasUS
PG&EPower and gasUS
Sempra EnergyPower and gasUS
American Electric PowerPower and gasUS
National GridPower and gasUK
Dominion EnergyPower and gasUS
Public Service Enterprise GroupPower and gasUS
ExelonPower and gasUS, Canada
Consolidated EdisonPower and gasUS
VistraPower and gasUS
Xcel EnergyPower and gasUS
BCEInternet and communicationsCanada
Edison InternationalPowerUS
American Water WorksWaterUS
WEC Energy GroupPower and gasUS
DTE EnergyPower and gasUS
EntergyPower and gasUS

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