Nisource Inc. revenue by year
Over the 10 fiscal years shown, revenue went from $4.49B (year ended Dec 31, 2016) to $6.52B (year ended Dec 31, 2025), a compound annual growth rate of 4.2%. The fastest growth was +23.5% in the year ended Dec 31, 2025; the weakest year was −11.5% (year ended Dec 31, 2020).
Annual revenue
| Fiscal year ended | Revenue (USD) | Change | XBRL concept | Reported in |
|---|---|---|---|---|
| Dec 31, 2025 | $6.52B | +23.5% | RevenueFromContractWithCustomerExcludingAssessedTax | 10-K filed Feb 11, 2026 |
| Dec 31, 2024 | $5.28B | −1.2% | RevenueFromContractWithCustomerExcludingAssessedTax | 10-K filed Feb 11, 2026 |
| Dec 31, 2023 | $5.35B | −6.8% | RevenueFromContractWithCustomerExcludingAssessedTax | 10-K filed Feb 11, 2026 |
| Dec 31, 2022 | $5.74B | +21.3% | RevenueFromContractWithCustomerExcludingAssessedTax | 10-K filed Feb 12, 2025 |
| Dec 31, 2021 | $4.73B | +5.8% | RevenueFromContractWithCustomerExcludingAssessedTax | 10-K filed Feb 21, 2024 |
| Dec 31, 2020 | $4.47B | −11.5% | RevenueFromContractWithCustomerExcludingAssessedTax | 10-K filed Feb 22, 2023 |
| Dec 31, 2019 | $5.05B | +1.2% | RevenueFromContractWithCustomerExcludingAssessedTax | 10-K filed Feb 23, 2022 |
| Dec 31, 2018 | $4.99B | +2.4% | RevenueFromContractWithCustomerExcludingAssessedTax | 10-K filed Feb 17, 2021 |
| Dec 31, 2017 | $4.87B | +8.5% | Revenues | 10-K filed Feb 20, 2018 |
| Dec 31, 2016 | $4.49B | −3.4% | Revenues | 10-K filed Feb 20, 2018 |
Nisource Inc. reported revenue under 2 different XBRL concepts across these years (often after the 2018 change in revenue-recognition rules, ASC 606). Each row shows the concept used, so you can judge comparability.
Quarterly revenue
Quarters reported in 10-Q filings. Fourth quarters are usually reported only inside the annual 10-K, so they are not listed separately here; we do not estimate them.
| Quarter | Revenue (USD) | vs same quarter a year earlier | Source |
|---|---|---|---|
| 3 months ended Sep 30, 2026 | $1.30B | +4.7% | 10-Q filed Oct 28, 2026 |
| 3 months ended Jun 30, 2026 | $1.29B | +3.4% | 10-Q filed Aug 5, 2026 |
| 3 months ended Mar 31, 2026 | $2.32B | +8.0% | 10-Q filed May 6, 2026 |
| 3 months ended Sep 30, 2025 | $1.24B | +15.2% | 10-Q filed Oct 28, 2026 |
| 3 months ended Jun 30, 2025 | $1.25B | +14.9% | 10-Q filed Aug 5, 2026 |
| 3 months ended Mar 31, 2025 | $2.15B | +26.0% | 10-Q filed May 6, 2026 |
| 3 months ended Sep 30, 2024 | $1.08B | +4.8% | 10-Q filed Oct 30, 2024 |
| 3 months ended Jun 30, 2024 | $1.08B | −0.5% | 10-Q filed Aug 7, 2024 |
Source: SEC EDGAR XBRL company facts for CIK 1111711 (raw data). Most recent filing in this dataset: 10-Q filed Oct 28, 2026. SEC data file dated Nov 3, 2026; page built Nov 5, 2026. Figures are as most recently reported, including restatements. How we select figures.