More jobs and new investment coming to Missouri and Illinois, new study finds

A new study quantifies Ameren’s 2025 economic impact, linking its energy infrastructure spending to jobs, taxes and future investment in Missouri and Illinois.

Rhea-AI Summary

Ameren (AEE) reported that its 2025 economic activity supported approximately 63,000 jobs and generated $25.9 billion in economic output across Missouri and Illinois, based on a new study by HR&A Advisors.

The analysis covering Ameren Missouri, Ameren Illinois and Ameren Transmission found $2.5 billion was spent with in-state suppliers and about $1 billion was generated in state and local tax payments. Community investment included $11.2 million in philanthropic giving. On the economic development side, Ameren helped ensure energy needs for more than 430 companies, tied to $3.6 billion in planned investment and over 3,700 projected jobs from these engaged companies. The study underscores the role of continued electric grid and natural gas system improvements in supporting reliability and future regional growth.

Positive

• 63,000 jobs supported by Ameren’s 2025 economic activity in Missouri and Illinois
• Economic output of $25.9 billion attributed to Ameren operations in 2025
• $2.5 billion spent with in-state suppliers in Missouri and Illinois in 2025
• Generated about $1 billion in state and local tax payments in 2025
• Supported more than 430 companies, linked to $3.6 billion in planned investment
• Engaged companies project more than 3,700 jobs associated with Ameren’s efforts

Negative

• None.

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Updated analysis examines economic impact and the role of infrastructure improvements and economic development in supporting regional growth

Key Takeaways:

• According to a new study, Ameren's economic activity supported approximately 63,000 jobs and generated $25.9 billion in economic output across Missouri and Illinois in 2025.
• Ameren spent $2.5 billion with in-state vendors and generated approximately $1 billion in state and local tax payments.
• The study highlights the role energy infrastructure improvements will play in supporting economic growth and reliability across the region.

ST. LOUIS, Sept. 22, 2026 /PRNewswire/ -- Ameren Corporation's (NYSE: AEE) operations, infrastructure improvements and economic development efforts continue to support jobs, investment and local communities across Missouri and Illinois, according to a new study conducted by HR&A Advisors, an economic development advisory firm. The study also highlights the important role reliable energy infrastructure plays in attracting investment, supporting business expansion and preparing communities for future growth.

The study examines Ameren Missouri, Ameren Illinois and Ameren Transmission, and provides a look back at the company's economic impacts during 2025.

Powering the Regional Economy in the Communities We Serve

• Economic Impact
  • 63,000 jobs supported
  • $25.9 billion economic output
• Community Investment
  • $2.5 billion spent with in-state suppliers
  • $1 billion in state and local taxes
  • $11.2 million in philanthropic giving
• Economic Development
  • More than 430 companies supported to ensure energy needs are met
  • $3.6 billion in planned investment by companies Ameren engaged
  • More than 3,700 projected jobs from companies Ameren engaged

"These findings make clear that Ameren Missouri is more than an energy provider. We are a catalyst for economic growth across the communities we serve," said Aaron Melda, chairman and president of Ameren Missouri. "Our investments in critical infrastructure strengthen local economies, create opportunity for businesses and families, and help attract the industries that will power Missouri's future. By delivering the reliable energy our region depends on, we are helping build lasting prosperity for generations to come."

"The results of this study demonstrate that energy infrastructure is much more than poles, pipes and wires. It helps create the conditions for jobs, business investment and thriving communities," said Patrick Smith, chairman and president of Ameren Illinois. "As companies look for places to invest and grow, reliable and affordable energy gives communities a competitive advantage. The study's findings show how strong infrastructure helps position Illinois communities to attract employers, support job creation and achieve long-term economic success."

The study also highlights the important role energy infrastructure will play in supporting future economic development and growing energy demand across the region. Continued improvements to the electric grid and natural gas system will help support reliability and meet customers' growing energy needs in the years ahead.

For more information and to view the complete study, visit Ameren.com/Economic-Development.

About Ameren Corporation
St. Louis-based Ameren Corporation powers the quality of life for 2.5 million electric customers and more than 900,000 natural gas customers in a 67,700-square-mile area through its Ameren Missouri and Ameren Illinois rate-regulated utility subsidiaries. Ameren Illinois provides electric transmission and distribution service and natural gas distribution service. Ameren Missouri provides electric generation, transmission and distribution services, as well as natural gas distribution service. Ameren Transmission Company of Illinois develops, owns and operates rate-regulated regional electric transmission projects in the Midcontinent Independent System Operator, Inc. For more information, visit Ameren.com, or follow us at @AmerenCorp, Facebook.com/AmerenCorp, or LinkedIn.com/company/Ameren.

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SOURCE Ameren Corporation

FAQ

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Where can stakeholders access the full economic impact study on Ameren?

The complete study examining Ameren’s 2025 economic impacts and the role of energy infrastructure in regional development is available at Ameren.com/Economic-Development.