Companies and Brands

Ameren Corporation

Utilities

Citation Formats

General Reference

Business Atlas. "Ameren Corporation." Accessed September 6, 2026. https://business.interactiveatlas.org/companies/ameren-corporation.

APA Style

Business Atlas. (n.d.). Ameren Corporation. Retrieved September 6, 2026, from https://business.interactiveatlas.org/companies/ameren-corporation

BibTeX

@misc{businessatlas-ameren-corporation,
  author = {Business Atlas},
  title = {Ameren Corporation},
  year = {2026},
  url = {https://business.interactiveatlas.org/companies/ameren-corporation},
  note = {Accessed September 6, 2026}
}

Ameren Corporation is an American electric and natural gas utility holding company headquartered in St. Louis, Missouri, formed in 1997 through the merger of Union Electric Company and Central Illinois Public Service Company (CIPSCO), whose combined name blended "American" and "energy." Its principal operating subsidiaries, Ameren Missouri and Ameren Illinois, deliver electricity and natural gas to customers across those two states.

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