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Public Service Enterprise Group is the holding company for a regulated utility (PSE&G) and other nonregulated businesses such as nuclear power generation and clean energy projects. PSE&G provides regulated gas and electricity delivery services in New Jersey to a combined 4.3 million customers. Public Service Enterprise Group also operates the Long Island Power Authority system. In 2022, the company sold its gas and oil power plants in the mid-Atlantic, New York, and the Northeast.

Entergy is a holding company with five regulated integrated utilities that generate and distribute electricity to about 3 million customers in Arkansas, Louisiana, Mississippi, and Texas. It is one of the largest power producers in the country with 24 gigawatts of rate-regulated owned and leased power generation capacity. Entergy was the second-largest nuclear owner in the US before it began retiring and selling its plants in the Northeast in 2014. It plans to sell its two small gas utilities in Louisiana.

American Electric Power is one of the largest regulated utilities in the United States, providing electricity generation, transmission, and distribution to more than 5 million customers in 11 states. About 42% of AEP's of capacity is coal, with the remainder from a mix of natural gas (27%), renewable energy and hydro (21%), nuclear (8%), and demand response (2%). Vertically integrated utilities, transmission and distribution, and generation and marketing support earnings.

GE Vernova is a global leader in the electric power industry, with products and services that generate, transfer, convert, and store electricity. The company has three business segments: power, wind, and electrification. Power includes gas, nuclear, hydroelectric, and steam technologies, providing dispatchable power. The wind segment includes wind generation technologies, inclusive of onshore and offshore wind turbines and blades. Electrification includes grid solutions, power conversion, electrification software, and solar and storage solutions technologies required for the transmission, distribution, conversion, and storage of electricity from the point of generation to point of consumption.