WEC Energy Group, Inc. is a major energy provider operating across the United States, delivering regulated natural gas and electricity, as well as both regulated and non-regulated renewable energy services. The company's operations are divided into six main business segments: Wisconsin, Illinois, Other States, Electric Transmission, Non-Utility Energy Infrastructure, and Corporate and Other. Its electricity generation relies on a diverse portfolio of sources, including coal, natural gas, oil, hydroelectric, wind, solar, and biomass.