Ameren
NYSE:AEEAmeren Corporation, together with its subsidiaries, operates as a public utility holding company in the United States. The company operates through four segments: Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission. It engages in the rate-regulated electric generation, transmission, and distribution activities; and rate-regulated natural gas distribution business. In addition, the company generates electricity through coal, nuclear, and natural gas, as well as renewable sources, such as hydroelectric, wind, methane gas, and solar. It serves residential, commercial, and industrial customers. The company was founded in 1881 and is headquartered in Saint Louis, Missouri.
CMS Energy
NYSE:CMSCMS Energy Corporation operates as an energy company primarily in Michigan. The company operates through three segments: Electric Utility; Gas Utility; and Enterprises. The Electric Utility segment is involved in the generation, purchase, transmission, distribution, and sale of electricity. This segment generates electricity through coal, wind, gas, renewable energy, oil, and nuclear sources. Its distribution system comprises 208 miles of high-voltage distribution overhead lines; 4 miles of high-voltage distribution underground lines; 4,428 miles of high-voltage distribution overhead lines; 19 miles of high-voltage distribution underground lines; 82,474 miles of electric distribution overhead lines; 9,395 miles of underground distribution lines; 1,093 substations; and 3 battery facilities. The Gas Utility segment engages in the purchase, transmission, storage, distribution, and sale of natural gas, which includes 2,392 miles of transmission lines; 15 gas storage fields; 28,065 miles of distribution mains; and 8 compressor stations. The Enterprises segment is involved in the independent power production and marketing, including the development and operation of renewable generation. It serves 1.9 million electric and 1.8 million gas customers, including residential, commercial, and diversified industrial customers. The company was incorporated in 1987 and is headquartered in Jackson, Michigan.
E.On
OTCMKTS:EONGYE.ON SE operates as an energy company in Germany, the United Kingdom, Sweden, the Netherlands, rest of Europe, and internationally. It operates through two segments, Energy Networks and Customer Solutions. The Energy Networks segment operates power and gas distribution networks, as well as provides maintenance, repairs, and related services. The Customer Solutions segment supplies power, gas, and heat, as well as with products and services that enhance energy efficiency to residential, small and medium-sized enterprises, large commercial and industrial, sales partners, and public entities. Additionally, it provides SmartSim, a software solution that allows renewable gases to be fed into gas grids; gas quality tracking solutions; GasPro, a mobile gas sample collector; metering solutions; and GasCalc, a software that calculates natural gases, LNG, and biogases properties. The company was founded in 1923 and is headquartered in Essen, Germany.
PG&E
NYSE:PCGPG&E Corporation, through its subsidiary, Pacific Gas and Electric Company, engages in the sale and delivery of electricity and natural gas to customers in northern and central California, the United States. It generates electricity using nuclear, hydroelectric, fossil fuel-fired, fuel cell, and photovoltaic sources. The company owns and operates interconnected transmission lines; electric transmission substations, distribution lines, transmission switching substations, and distribution substations; and natural gas transmission, storage, and distribution system consisting of distribution pipelines, backbone and local transmission pipelines, and various storage facilities. It serves residential, commercial, industrial, and agricultural customers, as well as natural gas-fired electric generation facilities. PG&E Corporation was incorporated in 1905 and is based in Oakland, California.
