# Ameren Corporation

Ameren Corporation is a Corporate Investor based in St. Louis, United States.

## Overview

- **Organization type:** Corporate Investor
- **Headquarters:** St. Louis, United States
- **Region:** North America
- **Address:** 1901 Chouteau Avenue, St. Louis, MO 63103, United States
- **Founded:** 1902
- **Assets under management:** 4500 (Altss estimate)
- **Website:** https://www.ameren.com
- **LinkedIn:** https://www.linkedin.com/company/ameren

## Regulatory record

- **Reports private funds:** No

## About

We're Ameren Corporation (AEE), a St. Louis-based, Fortune 500 company that powers the quality of life for millions of people throughout Illinois and Missouri. Ameren Illinois provides electric distribution and transmission service, as well as natural gas distribution service, while Ameren Missouri provides vertically integrated electric service, with generating capacity of over 10,200 megawatts, and natural gas distribution service. Combined, we serve 2.4 million electric and more than 900,000 natural gas customers in a 64,000 square mile area. We're the largest electric utility in Missouri and the second largest in Illinois, and we're among the nation's largest investor-owned electric or gas utility.

## Sectors

- Utilities
- Energy Transition & Renewables
- Venture Capital

## Offices

- Collinsville, IL, United States

## People

- Martin J. Lyons, Jr. — Chairman, President and CEO
- Warner L. Baxter — Former Executive Chairman and CEO
- Michael L. Moehn — Senior Executive Vice President and CFO

## Questions

### Who runs investment decisions at Ameren Corporation?

Martin J. Lyons, Jr. serves as Chairman, President and CEO. Michael L. Moehn acts as Senior Executive Vice President and CFO with oversight of financial and service operations.

### Does Ameren participate in fund commitments or only direct deals?

The firm executes direct ownership of power assets and limited partner commitments through its accelerator vehicle. No external fund commitments appear in the record.

### What investment stages does Ameren typically target?

Activity centers on early-stage energy technology companies via the Ameren Accelerator program. Portfolio examples include seed and Series A energy startups.

### Which sectors does Ameren explicitly avoid?

No explicit avoidance list is recorded. Capital deployment remains concentrated in utilities infrastructure and energy technology.

### Where does the underlying capital come from?

Capital originates from the regulated utility operations of Ameren Missouri and Ameren Illinois, the two primary subsidiaries.

### What is Ameren's known posture on co-investments alongside external GPs?

The firm has not disclosed a formal co-investment program with external general partners. Venture exposure occurs through its internal accelerator vehicle.

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Last updated: 2026-06-03T20:00:00.000Z

Canonical page: https://altss.com/profile/ameren-corporation

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