Quick Answer
NISOURCE INC. reported Operating Income of $1.84 billion for fiscal year 2025.
NISOURCE INC. Operating Income — Annual History
| Fiscal Year | Operating Income | YoY Change |
|---|---|---|
| 2025 | $1.84B | +26.1% |
| 2024 | $1.46B | +12.4% |
| 2023 | $1.30B | +2.3% |
| 2022 | $1.27B | +25.7% |
| 2021 | $1.01B | +82.8% |
| 2020 | $550.80M | -38.2% |
| 2019 | $890.70M | +614.3% |
| 2018 | $124.70M | -86.5% |
| 2017 | $921.20M | +6.4% |
| 2016 | $866.10M | +8.3% |
| 2015 | $799.90M | +1.4% |
| 2014 | $789.10M | +13.0% |
| 2013 | $698.10M | -32.9% |
| 2012 | $1.04B | +13.7% |
| 2011 | $914.40M | +2.5% |
| 2010 | $891.80M | +11.5% |
| 2009 | $800.00M | -12.9% |
| 2008 | $919.00M | — |
Quarterly Operating Income
| Quarter Ending | Operating Income | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $297.50M | +36.3% | +13.2% |
| June 30, 2025 | $262.90M | +10.9% | -65.4% |
| March 31, 2025 | $759.40M | +30.2% | +247.9% |
| September 30, 2024 | $218.30M | -6.3% | -7.9% |
| June 30, 2024 | $237.00M | +40.3% | -59.4% |
| March 31, 2024 | $583.40M | +9.9% | +150.4% |
| September 30, 2023 | $233.00M | +48.7% | +38.0% |
| June 30, 2023 | $168.90M | +17.9% | -68.2% |
- NISOURCE INC. showed an increase of +26.1% in Operating Income compared to the prior fiscal year.
- Over the 2008–2025 period, NISOURCE INC.’s operating income has grown by 99.7% (from $919.00 million to $1.84 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.
Last verified: