AEP vs PSX Comparison

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 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.

Phillips 66 is an independent refiner that owns or holds interest in 10 refineries with a total crude throughput capacity of 1.9 million barrels per day, or mmb/d, at the end of 2025. The midstream segment comprises extensive transportation and NGL processing assets. It includes 70,000 miles of crude oil, refined petroleum product, NGL and natural gas pipeline systems, and a comprehensive set of refined petroleum product, NGL and crude oil terminals, gathering and processing plants and fractionation facilities and various other storage and loading facilities. Its CPChem chemical joint venture operates facilities primarily in the United States and the Middle East and produces olefins and polyolefins.