Alliant Energy Corp. is a public utility holding company headquartered in Madison, Wis. Providing customers in the Midwest with regulated electric and natural gas service is the company’s primary focus. Alliant Energy’s utility business is the primary target of future capital investments. 

APA is a leading Australian listed energy infrastructure business with a $21 billion portfolio of gas, electricity, solar and wind assets.  Consistent with its purpose to strengthen communities through responsible energy, APA delivers approximately half of Australia’s gas usage and connects Victoria with South Australia and New South Wales with Queensland through investments in electricity transmission assets. 

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APA is also one of Australia’s largest owners and operators of renewable power generation assets. 

Together with our customers, we’re redefining the future of energy. Investing in a modern and efficient grid. Staying ahead of the curve as technology advances. Reducing carbon emissions and giving customers the cleaner power they want. Smarter, cleaner and more vibrant – we’re creating the energy company of the future.

American Tower, one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate with a portfolio of over 183,000 communications sites. We recently announced the acquisition of Telxius Towers, which we expect to be transformational for our European business.

This is a unique proposition for investors to take advantage of the rapidly advancing renewable energy sector in Europe and to participate in opportunities presented by Europe’s energy transition to a low carbon society.

Atlantica Sustainable Infrastructure plc is a sustainable infrastructure company that owns a
a diversified portfolio of contracted renewable energy, storage, efficient natural gas, electric
transmission and water assets in North & South America, and certain markets in EMEA.

Our 20,000-mile network spans Canada and Mid-America, connecting three coasts: the Atlantic, the Pacific and the Gulf of Mexico. Wherever you find CN trains, you’ll find a host of service options to help you ship more; faster, further and more cost-effectively.

Cheniere Energy, Inc. is a Houston-based energy company primarily engaged in LNG-related businesses. Cheniere owns and operates the Sabine Pass LNG receiving terminal and Creole Trail Pipeline located in Louisiana,

We’re New Zealand’s largest communications infrastructure network provider. About 100 retail service providers use our open access fixed line copper and fiber to the premises network to deliver services to their customers.

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Chorus entered the GLIO Index in September 2021.  

CMS Energy Corporation’s business strategy is focused primarily on its principal subsidiary, Consumers Energy Company, Michigan’s largest electric and natural gas utility, serving 6.8 million of the state’s 10 million residents.

With its subsidiary, CMS Enterprises Company, it is also engaged in independent power generation in several states. 

Consolidated Edison, Inc. is one of the United States' largest investor-owned energy-delivery companies, with approximately $14 billion in annual revenues and $66 billion in assets.

The company provides a wide range of energy-related products and services to its customers through several subsidiaries.

Crown Castle owns, operates, and leases more than 40,000 cell towers and more than 80,000 route miles of fiber supporting small cells and fiber solutions across every major U.S. market.

This nationwide portfolio of communications infrastructure connects cities and communities to essential data, technology, and wireless service - bringing information, ideas and innovations to the people and businesses that need them.

Sustainability is part of our DNA. Today, 74% of all energy we generate already comes from renewable sources. But we want to go further - by 2030 we will be all green. To accomplish this vision, we rely on our innovation, our drive, our passion, and the energy of over 13.000 people at EDP that are already changing tomorrow now.

With its robust development portfolio, first-class assets, and a market-leading operational capacity, EDPR has shown extraordinary growth over the past few years, is currently present in 28 international markets.

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EDP - EDPR's main shareholder - is a global energy company and a leader in value creation, innovation and sustainability. EDP has been listed on the Dow Jones Index for 14 consecutive years, recently being named the most sustainable electricity company on the Index. 

Elia Group is a frontrunner in the transition of the energy sector. Our strategy accommodates the profound and rapid changes in our business. At the same time, it reflects our essence so that we continue to create value for society in the future.

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As transmission system operators, Elia and 50Hertz lead the way for a successful energy transition in a sustainable world. Our grids have a crucial role to play in the decarbonisation of the energy sector and society in general.

Emera owns and operates cost-of-service rate-regulated electric and gas utilities in Canada, the United States, and the Caribbean. Cost-of-service utilities provide essential electric and gas services in designated territories under franchises and are overseen by regulatory authorities. Emera’s strategic focus continues to be safely delivering cleaner, affordable, and reliable energy to its customers.

The majority of Emera’s investment in rate-regulated businesses are located in Florida with other investments in Nova Scotia, New Mexico and the Caribbean. Emera’s portfolio of regulated utilities provides reliable earnings, cash flow and dividends.

Fortis is a well-diversified leader in the North American regulated electric and gas utility industry, with 2022 revenue of $11 billion and total assets of $65 billion as at March 31, 2023. The Corporation's 9,200 employees serve utility customers in five Canadian provinces, ten U.S. states and three Caribbean countries.
 
Fortis shares are listed on the TSX and NYSE and traded under the symbol FTS.

Gibson is a Canadian-based liquids infrastructure company with its principal business being its Hardisty and Edmonton Terminals in Alberta, Canada. At these terminals, Gibson touches 1 in 4 barrels in Western Canada and has connectivity to all major liquids export pipelines out of the basin. Gibson also engages in the optimization, processing, and gathering of crude oil and refined products through its operation of  gathering pipelines in Canada and an infrastructure position in the U.S.

Metro Pacific Investments is a leading infrastructure holding company with a diverse set of assets held through its operating companies. Through acquisitions and strategic partnerships, it seeks to create value by upgrading infrastructure, improving operational efficiency, increasing customer coverage and working closely with regulators and other partners in government.

NextEra Energy owns Florida Power & Light Company, which is America’s largest electric utility that sells more power than any other utility, providing clean, affordable, reliable electricity to approximately 5.8 million customer accounts across Florida. NextEra Energy also owns a competitive clean energy business, NextEra Energy Resources, which, together with its affiliated entities, is the world’s largest generator of renewable energy from the wind and sun and a world leader in battery storage.

National Grid one of the world's largest publicly listed utilities focused on transmission and distribution of electricity and gas. The company plays a vital role in connecting millions of people to the energy they use safely, reliably and efficiently.

ONE Gas provides natural gas distribution services to more than 2 million customers in Oklahoma, Kansas and Texas. It is headquartered in Tulsa, Okla., and its divisions include Oklahoma Natural Gas, the largest natural gas distributor in Oklahoma; Kansas Gas Service, the largest in Kansas, and Texas Gas Service, the third largest in Texas, in terms of customers.

ONEOK, Inc. is a leading midstream service provider and owner of one of the nation’s premier natural gas liquids (NGL) systems, connecting NGL supply in the Rocky Mountain, Mid-Continent, and Permian regions with key market centers and an extensive network of natural gas gathering, processing, storage and transportation assets.
 

ONEOK is a FORTUNE 500 company headquartered in Tulsa, Oklahoma, and is included in the S&P 500.

Public Service Enterprise Group (PSEG) is a publicly-traded diversified energy company. PSEG's principal operating subsidiaries are Public Service Electric and Gas Co, PSEG Power, and PSEG Long Island. PSEG is a Fortune 500 company included in the S&P 500 Index and has been named to the Dow Jones Sustainability Index for North America for 14 consecutive years. 

SBA Communications Corporation is a first choice provider and leading owner and operator of wireless communications infrastructure in North, Central and South America. By “Building Better Wireless,” SBA generates revenue from two primary businesses - site leasing and site development services.

Southern Company is a leading energy company serving 9 million customers through its subsidiaries. They provide clean, safe, reliable and affordable energy through electric operating companies in three states, natural gas distribution companies in four states, and a competitive generation company serving wholesale customers across America.  Southern Company brands are known for excellent customer service, high reliability and affordable prices below the national average.

TINC is a listed investment company that seeks to create sustainable value by investing in the infrastructure for the world of tomorrow. TINC participates in companies that are active in the realization and operation of infrastructure and holds a diversified portfolio of participations in focus areas such as public infrastructure, energy infrastructure, digital infrastructure and support real estate in Belgium, the Netherlands and Ireland.

Transurban is one of the world’s largest toll-road operators, with 21 roads across Australia (in Melbourne, Sydney and Brisbane) as well as in the Greater Washington Area, United States and Montreal, Canada. In addition to its operating assets, the company has seven major projects scheduled for completion as well as a large pipeline of growth opportunities materializing in the markets in which it operates. 

UGI Corporation is an international energy distribution and services company that provides superior service in delivering a range of energy products. By operating as a best-in-class service provider, offering a great place to work, serving our communities and delivering value to investors, we aim to positively impact the lives of our shareholders, employees, customers and communities.

Vopak is the world’s leading independent tank storage company - we store vital products with care. We enable the delivery of products that are vital to our economy and daily lives, ranging from chemicals, oils, gases and LNG to biofuels and vegoils by ensuring safe, clean and efficient storage and handling of products for our customers. We aim to develop key infrastructure solutions for the world’s changing energy systems, while simultaneously investing in digitalization and innovation.

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We are a leading Midwest electric and natural gas holding company with subsidiaries serving 4.5 million customers in Wisconsin, Illinois, Michigan and Minnesota. We also maintain majority ownership in the federally regulated American Transmission Co. Our scale and geographic proximity allow for operating efficiencies across 70,000 miles of electric distribution and transmission lines, and 8,800 megawatts of power plant capacity.

Williams is an industry-leading, investment grade C-Corp with operations across the natural gas value chain including gathering, processing, interstate transportation and storage of natural gas and natural gas liquids. With major positions in top U.S. supply basins, Williams connects the best supplies with the growing demand for clean energy. Williams owns and operates more than 30,000 miles of pipelines system wide – including Transco, the nation’s largest volume and fastest growing pipeline – and handles approximately 30 percent of the natural gas in the United States that is used every day for clean-power generation, heating and industrial use.

As a diversified business and a listed company, Flughafen Zürich AG operates one of the most important transport and meeting hubs in Switzerland. Our core activities are split into four business areas: aviation, commercial, real estate and international airport business. Together, we safeguard smooth flight operations, the operation of the commercial centers and support for our top-class real estate, and invest in airport development in growth markets.