Quick Answer
UNITIL CORP reported Long-Term Debt of $632.60 million for fiscal year 2025.
UNITIL CORP Long-Term Debt — Annual History
| Fiscal Year | Long-Term Debt | YoY Change |
|---|---|---|
| 2025 | $632.60M | -0.9% |
| 2024 | $638.40M | +25.4% |
| 2023 | $509.10M | +4.1% |
| 2022 | $489.10M | -1.7% |
| 2021 | $497.80M | -4.8% |
| 2020 | $523.10M | +19.6% |
| 2019 | $437.50M | +12.9% |
| 2018 | $387.40M | +2.9% |
| 2017 | $376.30M | +18.8% |
| 2016 | $316.80M | +3.7% |
| 2015 | $305.50M | -7.1% |
| 2014 | $328.90M | +15.5% |
| 2013 | $284.80M | -0.9% |
| 2012 | $287.30M | -0.2% |
| 2011 | $287.80M | -0.2% |
| 2010 | $288.30M | +15.8% |
| 2009 | $248.90M | — |
Quarterly Long-Term Debt
| Quarter Ending | Long-Term Debt | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $635.60M | -0.4% | -0.0% |
| June 30, 2025 | $635.80M | +25.6% | -0.2% |
| March 31, 2025 | $637.20M | +25.5% | -0.2% |
| December 31, 2024 | $638.40M | +25.4% | +0.0% |
| September 30, 2024 | $638.40M | +25.4% | +26.1% |
| June 30, 2024 | $506.40M | +4.2% | -0.3% |
| March 31, 2024 | $507.90M | +4.1% | -0.2% |
| December 31, 2023 | $509.10M | +4.1% | +0.0% |
- UNITIL CORP showed a decrease of -0.9% in Long-Term Debt compared to the prior fiscal year.
- Over the 2009–2025 period, UNITIL CORP’s long-term debt has grown by 154.2% (from $248.90 million to $632.60 million).
- The most recent figure is from UNITIL CORP’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 9, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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