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

One of Largest Electricity generation and distribution company with headquarters is in Wellington, New Zealand. It has a total installed capacity of 2,754 MW New Zealand and 201 MW overseas.

As on 2022, Visa INC has 1000 employees.

AUSNET SERVICES own and operate the Victorian electricity transmission network, one of five electricity distribution networks, and one of three gas distribution networks in Victoria. Electric utility and gas utility company with headquarters is in Australia.

Spark Infrastructure Group is the leading Essential Energy Infrastructure Businesses company. It is supplying around 8,80,000 residential and commercial customers across the state and businesses serve over 5 million homes and businesses and are also heavily involved in supporting the transition in Australia’s electricity system to one that is increasingly reliant on renewable energy. The headquarters is in Australia.

A2A is a Italian Multiutility company. It is having over 12,000 employees and manage the generation, sale and distribution of electricity and gas, heating, waste collection and recovery, electric mobility, public lighting and the integrated water service. The company results for the 2019 financial year report an EBITDA of 1.23 billion euros, a net profit of 389 million euros and investments totaling 627 million euro. The headquarters is in Italy.

BKW AG is an International Energy and Infrastructure company and offer integrated total solutions in the fields of energy, buildings and infrastructure. The headquarters is in Switzerland.

Idacorp is a Power Holding and Electric Utility company. It is dedicated to providing quality electric service to more than 5,70,000 general business customers in a 24,000 square mile service area in southern Idaho and eastern Oregon. The headquarters is in USA.

NHPC is Hydroelectric power generation company with headquarters is in Faridabad, India.

NHPC Limited has also diversified in the field of Solar & Wind power.

As on March-2021, NHPC Limited presently has an installation base of 7071 MW from 24 power stations on ownership basis including projects taken up in Joint Venture. NHPC planning to have installed capacity of 20 GW by 2030.

For year ending Mar-2021, consolidated annual net profit was NHPC 3,582 Crores INR.