Ameren
Ameren owns rate-regulated generation, transmission, and distribution networks that deliver electricity and natural gas through the company's two main subsidiaries, Ameren Missouri and Ameren Illinois. It serves 2.5 million electricity customers and 800,000 natural gas customers across its two service territories.
Ameren owns rate-regulated generation, transmission, and distribution networks that deliver electricity and natural gas through the company's two main subsidiaries, Ameren Missouri and Ameren Illinois. It serves 2.5 million electricity customers and 800,000 natural gas customers across its two service territories.
$27.7B
Market Cap • 1/23/2026
1997
(29 years)
Founded
1984
(42 years ago)
IPO
NYSE
Listing Exchange
United States
Country
S&P500 Participant
Index Composite • 2026
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