Quick Answer
AMEREN CORP reported Long-Term Debt of $18.21 billion for fiscal year 2025.
AMEREN CORP Long-Term Debt — Annual History
| Fiscal Year | Long-Term Debt | YoY Change |
|---|---|---|
| 2025 | $18.21B | +5.5% |
| 2024 | $17.26B | +14.2% |
| 2023 | $15.12B | +10.5% |
| 2022 | $13.69B | +8.9% |
| 2021 | $12.56B | +13.4% |
| 2020 | $11.08B | +24.3% |
| 2019 | $8.91B | +13.4% |
| 2018 | $7.86B | +10.8% |
| 2017 | $7.09B | +7.6% |
| 2016 | $6.59B | -4.1% |
| 2015 | $6.88B | +13.1% |
| 2014 | $6.08B | +10.6% |
| 2013 | $5.50B | -5.1% |
| 2012 | $5.80B | -13.1% |
| 2011 | $6.68B | -2.6% |
| 2010 | $6.85B | -3.6% |
| 2009 | $7.11B | +8.5% |
| 2008 | $6.55B | — |
Quarterly Long-Term Debt
| Quarter Ending | Long-Term Debt | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $19.17B | +16.7% | +1.9% |
| June 30, 2025 | $18.81B | +15.5% | +2.5% |
| March 31, 2025 | $18.35B | +21.0% | +6.3% |
| December 31, 2024 | $17.26B | +14.2% | +5.1% |
| September 30, 2024 | $16.42B | +18.8% | +0.9% |
| June 30, 2024 | $16.28B | +13.6% | +7.3% |
| March 31, 2024 | $15.17B | +7.0% | +0.3% |
| December 31, 2023 | $15.12B | +10.5% | +9.3% |
- AMEREN CORP showed an increase of +5.5% in Long-Term Debt compared to the prior fiscal year.
- Over the 2008–2025 period, AMEREN CORP’s long-term debt has grown by 177.9% (from $6.55 billion to $18.21 billion).
- The most recent figure is from AMEREN CORP’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 18, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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