Latest period
$4.65B
YoY change
-6.4%
5Y CAGR
+4.6%
Peak year (2024)
$4.41B
Cumulative CapEx
$54.67B
CapEx history chart for Ameren (AEE) from 1997 to 2025
Latest: $4.13B
CapEx growth chart for Ameren (AEE) from 1997 to 2025
Latest: -6.4%
CapEx history table for Ameren (AEE) from 1997 to 2025
| 2025 | $4.13B | -6.4% | −$282.00M | ||
| 2024 | $4.41B | +16.9% | +$639.00M | ||
| 2023 | $3.77B | +11.6% | +$391.00M | ||
| 2022 | $3.38B | -4.1% | −$143.00M | ||
| 2021 | $3.52B | +6.8% | +$224.00M | ||
| 2020 | $3.30B | +35.1% | +$857.00M | ||
| 2019 | $2.44B | +4.4% | +$104.00M | ||
| 2018 | $2.34B | +6.5% | +$143.00M | ||
| 2017 | $2.19B | +3.0% | +$64.00M | ||
| 2016 | $2.13B | +8.2% | +$162.00M | ||
| 2015 | $1.97B | +5.9% | +$110.00M | ||
| 2014 | $1.86B | +30.5% | +$435.00M | ||
| 2013 | $1.42B | +23.4% | +$270.00M | ||
| 2012 | $1.15B | +22.4% | +$211.00M | ||
| 2011 | $943.00M | -15.0% | −$167.00M | ||
| 2010 | $1.11B | -37.8% | −$674.00M | ||
| 2009 | $1.78B | -13.8% | −$285.00M | ||
| 2008 | $2.07B | +42.8% | +$620.00M | ||
| 2007 | $1.45B | +40.5% | +$418.00M | ||
| 2006 | $1.03B | +8.3% | +$79.00M | ||
| 2005 | $952.00M | +18.1% | +$146.00M | ||
| 2004 | $806.00M | +18.2% | +$124.00M | ||
| 2003 | $682.00M | -16.3% | −$133.00M | ||
| 2002 | $815.00M | -27.7% | −$312.00M | ||
| 2001 | $1.13B | +18.6% | +$176.75M | ||
| 2000 | $950.25M | +60.3% | +$357.55M | ||
| 1999 | $592.70M | +71.6% | +$247.40M | ||
| 1998 | $345.30M | -17.0% | −$70.70M | ||
| 1997 | $416.00M | — | — |
- 2025$4.13B-6.4%
- 2024$4.41B+16.9%
- 2023$3.77B+11.6%
- 2022$3.38B-4.1%
- 2021$3.52B+6.8%
- 2020$3.30B+35.1%
- 2019$2.44B+4.4%
- 2018$2.34B+6.5%
- 2017$2.19B+3.0%
- 2016$2.13B+8.2%
- 2015$1.97B+5.9%
- 2014$1.86B+30.5%
- 2013$1.42B+23.4%
- 2012$1.15B+22.4%
- 2011$943.00M-15.0%
- 2010$1.11B-37.8%
- 2009$1.78B-13.8%
- 2008$2.07B+42.8%
- 2007$1.45B+40.5%
- 2006$1.03B+8.3%
- 2005$952.00M+18.1%
- 2004$806.00M+18.2%
- 2003$682.00M-16.3%
- 2002$815.00M-27.7%
- 2001$1.13B+18.6%
- 2000$950.25M+60.3%
- 1999$592.70M+71.6%
- 1998$345.30M-17.0%
- 1997$416.00M—
CapEx values are taken from Ameren's reported cash flow statements (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About CapEx at Ameren (AEE)
According to Ameren's latest reported financial statements, the company's current CapEx (TTM) is $4.65B. Capital expenditures (CapEx) are cash outlays for property, plant, and equipment and other long-lived productive assets — reported on the cash flow statement under investing activities. CapEx funds future capacity (factories, data centers, software, machinery), so rising spend can signal investment in growth, while heavy CapEx reduces free cash flow available to shareholders. We display CapEx as a positive amount (the absolute cash outflow); compare with revenue to gauge capital intensity and with total assets for the asset-base context.
Headline TTM above sums the four reported quarters through (reported ). Chart and table below cover the full reported history back to .
In 2025, Ameren (AEE) CapEx totalled $4.13B – declined 6.4% year-over-year.
Looking at the 2020–2025 (5 years) stretch, Ameren CapEx compounded at +4.6% per year, with mixed annual results across the window.
Ameren CapEx peaked at $4.41B in 2024; the latest annual figure is $4.13B in 2025 (6.4% below peak).
2024 marks the peak CapEx at $4.41B, with the historical low of $345.30M recorded in 1998.
Ameren Capital Expenditures by Year
Ameren Capital Expenditures 2025: $4.13B
Ameren CapEx in 2025 was $4.13B, declined 6.4% below 2024.
Ameren Capital Expenditures 2024: $4.41B
2024's CapEx for Ameren came in at $4.41B, grew 16.9% from 2023. This figure represents the highest annual value in the available history.
Ameren Capital Expenditures 2023: $3.77B
Ameren posted CapEx of $3.77B in 2023, grew 11.6% from 2022.
Ameren Capital Expenditures 2022: $3.38B
In 2022, Ameren reported CapEx of $3.38B, edged down 4.1% below 2021.
Ameren Capital Expenditures 2021: $3.52B
Ameren CapEx in 2021 was $3.52B.
See more financial history for Ameren (AEE).
Sector peers by CapEx
Utilities peers of Ameren (AEE), ranked by their latest CapEx
| $14.02B | |
| $13.39B | |
| $12.64B | |
| $10.61B | |
| $9.27B | |
| $2.95B | |
| $1.28B | |
| $130.00M |
- $14.02B
- $13.39B
- $12.64B
- $10.61B
- $9.27B
- $1.28B
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