U.S. Utilities Big Green Snowflakes

Spire

Market Cap: US$4.4b

Engages in the purchase, retail distribution, and sale of natural gas to residential, commercial, industrial, and other end-users of natural gas in the United States.

American Electric Power Company

Market Cap: US$54.4b

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.

Duke Energy

Market Cap: US$90.4b

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

American Water Works Company

Market Cap: US$27.5b

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

Constellation Energy

Market Cap: US$91.2b

Produces and sells energy products and services in the United States.

H2O America

Market Cap: US$1.9b

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

American States Water

Market Cap: US$3.0b

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

NiSource

Market Cap: US$18.6b

An energy holding company, operates as a regulated natural gas and electric utility company in the United States.

Southwest Gas Holdings

Market Cap: US$5.2b

Through its subsidiaries, purchases, distributes, and transports natural gas for residential, commercial, and industrial customers in Arizona, Nevada, and California.

California Water Service Group

Market Cap: US$2.8b

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

ReNew Energy Global

Market Cap: US$2.5b

Generates power through non-conventional and renewable energy sources in India.

Aivita Group

Market Cap: US$3.0m

Owns, operates, and distributes on-site energy systems in the United Kingdom and Europe.

CMS Energy

Market Cap: US$21.0b

Operates as an energy company primarily in Michigan.

Dominion Energy

Market Cap: US$47.4b

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

ONE Gas

Market Cap: US$4.5b

Operates as a regulated natural gas distribution utility company in the United States.

Essential Utilities

Market Cap: US$10.7b

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

Etrion

Market Cap: US$66.8k

Does not have significant operations.

Entergy

Market Cap: US$35.4b

Engages in the production and retail distribution of electricity in the United States.

Xcel Energy

Market Cap: US$39.8b

Through its subsidiaries, engages in the generation, purchasing, transmission, distribution, and sale of electricity in the United States.

Unitil

Market Cap: US$871.4m

A public utility holding company, engages in the distribution of electricity and natural gas.

Alliant Energy

Market Cap: US$15.6b

Operates as a utility holding company that provides regulated electric and natural gas services in the United States.

Pure Cycle

Market Cap: US$258.3m

Provides wholesale water and wastewater services in the United States.

FirstEnergy

Market Cap: US$23.1b

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

RGC Resources

Market Cap: US$215.3m

Through its subsidiaries, operates as an energy services company.

Eco Wave Power Global

Market Cap: US$34.1m

A wave energy company, develops a wave energy conversion (WEC) technology that converts ocean and sea waves into clean electricity.

NextEra Energy

Market Cap: US$149.9b

Through its subsidiaries, generates, transmits, distributes, and sells electric power to retail and wholesale customers in North America.

Hawaiian Electric Industries

Market Cap: US$1.8b

Engages in the electric utility business in the United States.

Talen Energy

Market Cap: US$11.6b

An independent power producer and infrastructure company, produces and sells electricity, capacity, and ancillary services into wholesale power markets in the United States.

PPL

Market Cap: US$24.9b

Provides electricity and natural gas to approximately 3.5 million customers in the United States.

Oklo

Market Cap: US$7.3b

Develops advanced fission power plants to provide clean, reliable, and affordable energy at scale to the customers in the United States.

MDU Resources Group

Market Cap: US$3.4b

Engages in the regulated energy delivery businesses in the United States.

Ameren

Market Cap: US$25.8b

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

CenterPoint Energy

Market Cap: US$23.8b

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

Public Service Enterprise Group

Market Cap: US$39.6b

Through its subsidiaries, operates in electric and gas utility, and nuclear generation businesses in the United States.

York Water

Market Cap: US$470.6m

The York Water Company impounds, purifies, and distributes drinking water.

Ferrellgas Partners

Market Cap: US$47.1m

Distributes and retails propane and related equipment and supplies.