Quick Answer
BLACK HILLS CORP /SD/ reported Long-Term Debt of $4.70 billion for fiscal year 2025.
BLACK HILLS CORP /SD/ Long-Term Debt — Annual History
| Fiscal Year | Long-Term Debt | YoY Change |
|---|---|---|
| 2025 | $4.70B | +10.6% |
| 2024 | $4.25B | +11.8% |
| 2023 | $3.80B | +5.4% |
| 2022 | $3.61B | -12.6% |
| 2021 | $4.13B | +17.0% |
| 2020 | $3.53B | +12.4% |
| 2019 | $3.14B | +6.4% |
| 2018 | $2.95B | -5.1% |
| 2017 | $3.11B | -3.2% |
| 2016 | $3.21B | +73.2% |
| 2015 | $1.85B | +46.2% |
| 2014 | $1.27B | -9.3% |
| 2013 | $1.40B | +48.8% |
| 2012 | $938.88M | -26.7% |
| 2011 | $1.28B | +8.0% |
| 2010 | $1.19B | +16.7% |
| 2009 | $1.02B | — |
Quarterly Long-Term Debt
| Quarter Ending | Long-Term Debt | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $4.25B | +0.1% | +7.6% |
| June 30, 2025 | $3.95B | -6.9% | +0.0% |
| March 31, 2025 | $3.95B | +3.9% | -7.0% |
| December 31, 2024 | $4.25B | +11.8% | +0.0% |
| September 30, 2024 | $4.25B | +11.8% | +0.0% |
| June 30, 2024 | $4.25B | +7.4% | +11.7% |
| March 31, 2024 | $3.80B | -3.8% | +0.0% |
| December 31, 2023 | $3.80B | +5.4% | +0.0% |
- BLACK HILLS CORP /SD/ showed an increase of +10.6% in Long-Term Debt compared to the prior fiscal year.
- Over the 2009–2025 period, BLACK HILLS CORP /SD/’s long-term debt has grown by 362.7% (from $1.02 billion to $4.70 billion).
- The most recent figure is from BLACK HILLS CORP /SD/’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 11, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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