Quick Answer
WEC ENERGY GROUP, INC. reported Long-Term Debt of $18.50 billion for fiscal year 2025.
WEC ENERGY GROUP, INC. Long-Term Debt — Annual History
| Fiscal Year | Long-Term Debt | YoY Change |
|---|---|---|
| 2025 | $18.50B | +7.7% |
| 2024 | $17.18B | +11.8% |
| 2023 | $15.37B | +4.9% |
| 2022 | $14.66B | +8.8% |
| 2021 | $13.47B | +15.4% |
| 2020 | $11.67B | +16.8% |
| 2018 | $9.99B | +14.3% |
| 2017 | $8.75B | -4.5% |
| 2016 | $9.16B | +0.4% |
| 2015 | $9.12B | +118.8% |
| 2014 | $4.17B | -4.4% |
| 2013 | $4.36B | -2.0% |
| 2012 | $4.45B | -3.5% |
| 2011 | $4.61B | +17.4% |
| 2010 | $3.93B | +1.5% |
| 2009 | $3.88B | -4.9% |
| 2008 | $4.07B | — |
Quarterly Long-Term Debt
| Quarter Ending | Long-Term Debt | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $17.66B | — | +3.2% |
| June 30, 2025 | $17.11B | — | +5.9% |
| March 31, 2025 | $16.16B | — | -5.9% |
| December 31, 2024 | $17.18B | — | +57.6% |
| September 30, 2019 | $10.90B | +19.5% | +9.8% |
| June 30, 2019 | $9.92B | +7.7% | -3.9% |
| March 31, 2019 | $10.33B | +19.8% | +3.3% |
| December 31, 2018 | $9.99B | +14.3% | +9.6% |
- WEC ENERGY GROUP, INC. showed an increase of +7.7% in Long-Term Debt compared to the prior fiscal year.
- Over the 2008–2025 period, WEC ENERGY GROUP, INC.’s long-term debt has grown by 354.0% (from $4.07 billion to $18.50 billion).
- The most recent figure is from WEC ENERGY GROUP, INC.’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 20, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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