Quick Answer
NISOURCE INC. reported Total Assets of $35.86 billion for fiscal year 2025.
NISOURCE INC. Total Assets — Annual History
| Fiscal Year | Total Assets | YoY Change |
|---|---|---|
| 2025 | $35.86B | +12.8% |
| 2024 | $31.79B | +2.3% |
| 2023 | $31.08B | +16.2% |
| 2022 | $26.74B | +10.7% |
| 2021 | $24.16B | +9.6% |
| 2020 | $22.04B | -2.7% |
| 2019 | $22.66B | +3.9% |
| 2018 | $21.80B | +9.2% |
| 2017 | $19.96B | +6.8% |
| 2016 | $18.69B | +6.9% |
| 2015 | $17.49B | -28.9% |
| 2014 | $24.59B | +8.5% |
| 2013 | $22.65B | +3.7% |
| 2012 | $21.84B | +5.5% |
| 2011 | $20.71B | +4.0% |
| 2010 | $19.91B | +3.4% |
| 2009 | $19.26B | — |
Quarterly Total Assets
| Quarter Ending | Total Assets | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $34.40B | +11.6% | +1.1% |
| June 30, 2025 | $34.03B | +13.8% | +2.8% |
| March 31, 2025 | $33.11B | +12.8% | +4.1% |
| December 31, 2024 | $31.79B | +2.3% | +3.1% |
| September 30, 2024 | $30.83B | +10.8% | +3.1% |
| June 30, 2024 | $29.90B | +9.3% | +1.9% |
| March 31, 2024 | $29.34B | +9.3% | -5.6% |
| December 31, 2023 | $31.08B | +16.2% | +11.7% |
- NISOURCE INC. showed an increase of +12.8% in Total Assets compared to the prior fiscal year.
- Over the 2009–2025 period, NISOURCE INC.’s total assets has grown by 86.2% (from $19.26 billion to $35.86 billion).
- The most recent figure is from NISOURCE INC.’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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