Nasdaq or NYSE related Power Generation industry Top Companies List by Market Cap as of August 2026

Alliant Energy Corporation is a public utility holding company. The Company supplies electricity, natural gas and water to residential and commercial customers. The Company's segments include Utility and Non-regulated, Parent and Other. The company products are electricity and natural gas. The headquarters is in USA.

As on Dec-2022, Alliant Energy Corporation has 3,129 employees.

Alliant Energy Corporation annual revenue generated for period ending Dec-2022 was 4,205 million USD.

Northwestern Energy Group is a Reliable and Affordable Energy company. It serve 7,34,800 residential and business customers with electricity and natural gas. The company has miles of natural gas line are 9,483 plus storage facilities. It own and operate a diverse generation fleet of wind, water, natural gas and coal fired resources and the high voltage transmission system and distribution system that reliably delivers responsibly produced electricity to more than 4,27,000 customers daily. The headquarters is in USA.

Avista Corporation is a Energy company. It involved in the production, transmission and distribution of energy as well as other energy related businesses. The company operating division, providing electricity to nearly 3,40,000 customers and natural gas to about 3,00,000 customers across 30,000 square miles and four northwestern states. The headquarters is in USA.

Electricity utility company with headquarters is in Hawaii, USA.

Unitil Corporation is a Public Utility Holding company. It operating utilities serve approximately 1,06,000 electric customers and 83,600 natural gas customers. The headquarters is in USA.