Quick Answer
Otter Tail Corp reported Long-Term Debt of $963.57 million for fiscal year 2025.
Otter Tail Corp Long-Term Debt — Annual History
| Fiscal Year | Long-Term Debt | YoY Change |
|---|---|---|
| 2025 | $963.57M | +2.1% |
| 2024 | $943.73M | +14.5% |
| 2023 | $824.06M | +0.0% |
| 2022 | $823.82M | +12.2% |
| 2021 | $734.01M | +17.5% |
| 2020 | $624.43M | -9.8% |
| 2019 | $692.35M | +16.8% |
| 2018 | $592.52M | +20.3% |
| 2017 | $492.71M | -8.9% |
| 2016 | $540.94M | +8.5% |
| 2015 | $498.49M | -0.0% |
| 2014 | $498.69M | +27.9% |
| 2013 | $389.78M | -7.6% |
| 2012 | $421.86M | -10.6% |
| 2011 | $472.08M | +8.9% |
| 2010 | $433.68M | -0.6% |
| 2009 | $436.17M | — |
Quarterly Long-Term Debt
| Quarter Ending | Long-Term Debt | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $1.04B | +10.6% | +0.0% |
| June 30, 2025 | $1.04B | +10.6% | +5.0% |
| March 31, 2025 | $993.51M | +5.3% | +5.3% |
| December 31, 2024 | $943.73M | +14.5% | +0.0% |
| September 30, 2024 | $943.66M | +14.5% | +0.0% |
| June 30, 2024 | $943.59M | +14.5% | +0.0% |
| March 31, 2024 | $943.54M | +14.5% | +14.5% |
| December 31, 2023 | $824.06M | +0.0% | +0.0% |
- Otter Tail Corp showed an increase of +2.1% in Long-Term Debt compared to the prior fiscal year.
- Over the 2009–2025 period, Otter Tail Corp’s long-term debt has grown by 120.9% (from $436.17 million to $963.57 million).
- The most recent figure is from Otter Tail 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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