U.S. Utilities Big Green Snowflakes

National Fuel Gas

Market Cap: US$7.4b

Operates as a diversified energy company.

Consolidated Water

Market Cap: US$570.2m

Supplies potable water, treats wastewater and water for reuse, and provides water-related products and services in the Cayman Islands, the Bahamas, the United States, and the British Virgin Islands.

NRG Energy

Market Cap: US$30.1b

Operates as an energy and home services company in the United States and Canada.

Clearway Energy

Market Cap: US$6.7b

Operates in the clean energy generation assets business in the United States.

Edison International

Market Cap: US$23.3b

Through its subsidiaries, engages in the generation and distribution of electric power.

H2O America

Market Cap: US$1.8b

Through its subsidiaries, provides water utility and other related services in the United States.

Essential Utilities

Market Cap: US$10.9b

Through its subsidiaries, operates regulated utilities that provide water, wastewater, and natural gas services in the United States.

AES

Market Cap: US$9.9b

Operates as a power generation and utility company in the United States and internationally.

American States Water

Market Cap: US$2.9b

Through its subsidiaries, provides water and electric services to residential, commercial, industrial, and other customers in the United States.

UGI

Market Cap: US$8.3b

Engages in the distribution, storage, transportation, and marketing of energy products and related services in the United States and internationally.

Artesian Resources

Market Cap: US$329.5m

Provides water, wastewater, and other services in Delaware, Maryland, and Pennsylvania.

Portland General Electric

Market Cap: US$5.3b

An integrated electric utility company, engages in the generation, wholesale purchase, transmission, distribution, and retail sale of electricity in the state of Oregon.

American Electric Power Company

Market Cap: US$61.5b

An electric public utility holding company, engages in the generation, transmission, and distribution of electricity for sale to retail and wholesale customers in the United States.

Otter Tail

Market Cap: US$3.5b

Engages in electric utility, manufacturing, and plastic pipe businesses in the United States.

Genie Energy

Market Cap: US$378.3m

Through its subsidiaries, provides energy services in the United States and internationally.

Consolidated Edison

Market Cap: US$35.6b

Through its subsidiaries, engages in the regulated electric, gas, and steam delivery businesses in the United States.

MGE Energy

Market Cap: US$2.9b

Through its subsidiaries, operates as a public utility holding company in the United States.

Black Hills

Market Cap: US$5.2b

Through its subsidiaries, operates as an electric and natural gas utility company in the United States.

Ameren

Market Cap: US$26.9b

Operates as a public utility holding company in the United States.

California Water Service Group

Market Cap: US$2.6b

Through its subsidiaries, provides water utility and other related services in California, Washington, New Mexico, Hawaii, and Texas.

American Water Works Company

Market Cap: US$25.7b

Through its subsidiaries, provides water and wastewater services in the United States.

FirstEnergy

Market Cap: US$25.7b

Engages in the generation, distribution, and transmission of electricity in the United States.

Duke Energy

Market Cap: US$90.4b

Through its subsidiaries, operates as an energy company in the United States.

Alaska Power & Telephone

Market Cap: US$64.6m

Through its subsidiaries, provides energy, telecommunications, and broadband services to communities in Alaska.

Atmos Energy

Market Cap: US$27.1b

Engages in the regulated natural gas distribution, and pipeline and storage businesses in the United States.

OGE Energy

Market Cap: US$8.8b

Through its subsidiary, operates as an energy services provider in the United States.

Exelon

Market Cap: US$43.9b

A utility services holding company, engages in the energy distribution and transmission businesses.

Chesapeake Utilities

Market Cap: US$2.9b

Operates as an energy delivery company in the United States.

Sempra

Market Cap: US$57.5b

Operates as an energy infrastructure company in the United States and internationally.

Dominion Energy

Market Cap: US$48.9b

Provides regulated electricity and natural gas services in the United States.

Global Water Resources

Market Cap: US$245.8m

A water resource management company, owns, operates, and manages regulated water, wastewater, and recycled water systems in metropolitan Phoenix and Tucson, Arizona.

Eversource Energy

Market Cap: US$24.8b

A public utility holding company, engages in the energy delivery business.

WEC Energy Group

Market Cap: US$34.1b

Through its subsidiaries, provides regulated natural gas and electricity, and renewable and nonregulated renewable energy services in the United States.

Avista

Market Cap: US$3.1b

Operates as an electric and natural gas utility company in the United States.

New Jersey Resources

Market Cap: US$4.7b

An energy services holding company, distributes natural gas.

IDACORP

Market Cap: US$6.8b

Engages in the generation, transmission, distribution, purchase, and sale of electric energy in the United States.