Nasdaq or NYSE related Electric Utilities: Central industry Top Companies List by Market Cap as of August 2026

Copel – Companhia Paranaense de Energia – generates, transmits, distributes and trades electric energy, and also provides telecommunication services. It directly serves 4.7 million customers units in 395 municipalities and 1,113 localities, has 46 own plants. The Company has 7,735 km of transmission lines and 200,263 km of distribution lines, making up Brazil third largest distribution network. The headquarters is in Brazil.

Ormat Technologies is a Renewable Power and Energy Solutions company. It design, build and supply power generating equipment for customers geothermal and recovered energy power plants in 30 countries. The headquarters is in USA.

Generation, Distribution and Transmission of Electricity in Chile.

Portland General Electric is a Electric Utility company. The headquarters is in USA.

PNM Resources is an energy holding company. It is electric utility company with 2,811 megawatts of generation capacity and provides electricity to approximately 790,000 homes and businesses in New Mexico and Texas. The company consolidated operating revenues of $1.5 billion as per 2019. The headquarters is in USA.

Black Hills Corporation is a Electricity Power, Oil and Gas company. The company serves over 1.28 million electric and natural gas utility customers in more than 800 communities in Arkansas, Colorado, Iowa, Kansas, Montana, Nebraska, South Dakota and Wyoming. The headquarters is in USA.

Clearway Energy is a Clean Energy in the United States. and its asset portfolio includes over 7,000 megawatts of wind, solar and natural gas fired power generation facilities, as well as district energy systems.

It has business in oil and gas segment and electricity generation. Headquarters is in Argentina.

Electric utility, gas utility and water utility company with headquarters is in Ontario, Canada. Renewable energy generating company and generates wind, solar and hydro-electric power.