World Top 100 Utilities Companies List by Market Cap as of August 2026

Essential Utilities is a publicly traded water, waste water and natural gas company. It serving approximately 5 million people across 10 states under the Aqua and Peoples brands. Aqua delivers more than 86 billion gallons of water and Peoples delivers 2.5 million mile natural gas underground pipeline. The headquarters is in USA.

Essential Utilities total number of employees in 2022 was 3,187.

Essential Utilities annual revenue generated for period ending Dec-2022 was 2,288 million USD.

YTL Power International Berhad is a utility industries company and their business activities includes power generation and retail, electricity transmission, water supply and wastewater services, communications. The company annual revenue is 10,784 million MYR for year ending June 2021. The headquarters is in Malaysia.

JSW Energy is the leading power generation and natural resource company that generate 4,559 MW, out of which 3158 MW is thermal power,1391 MW is hydropower and 10 MW solar power. The headquarters is in India.

EDISON S.P.A is Electric Utility company with headquarters is in USA.

AES CORPORATION is Electricity Generation and Electricity Distribution company. It is Electric Utility company with headquarters is in USA. As on 2021, AES CORPORATION generating 31,459 Gross MW in operation and 3,497 MW generating capacity under construction.

As on 2022, AES CORPORATION has 9,100 employees.

AES CORPORATION annual revenue generated for period ending Dec-2022 was 12,617 million USD.

Natural gas distribution company with headquarters is in Italy.

Canada Based Utility Company with approximately 5,200 employees and assets of $21 billion, is an ATCO Company. Generates Electricity, distributes and transmission of natural gas and electricity is core business.