Yahoo Finance

AES is a global power company that operates in 15 countries. Its generation portfolio as of year-end 2024 totals over 32 gigawatts, including renewable energy (50%), gas (32%), coal (16%), and oil (2%). AES has majority ownership and operates six electric utilities distributing power to more than 2.5 million customers.

Evergy is a regulated electric utility serving eastern Kansas and western Missouri. Major operating subsidiaries include Evergy Metro, Evergy Kansas Central, Evergy Missouri West, and Evergy Transmission Co. The utility has a combined rate base of approximately $20 billion, about half in Kansas and the rest split between Missouri and federal jurisdiction. Evergy is one of the largest wind energy suppliers in the US.

Sempra Energy serves one of the largest utility customer bases in the United States. It distributes natural gas and electricity in Southern California and owns 80% of Oncor, a transmission and distribution business in Texas. SoCalGas and San Diego Gas & Electric distribute gas to more than 20 million customers, while Oncor serves more than 10 million Texas customers. Sempra Infrastructure partners, of which Sempra holds a controlling ownership, owns and operates liquefied natural gas facilities in North America and infrastructure in Mexico.

Atmos Energy is the largest publicly traded, fully regulated, pure-play natural gas utility in the United States, serving more than 3 million customers in Texas, Colorado, Kansas, Kentucky, Louisiana, Mississippi, Tennessee, and Virginia. About two thirds of its earnings come from Texas, where it distributes natural gas in northern Texas and owns an intrastate gas pipeline spanning several key shale gas formations and interconnected with five storage facilities.