Filing Flows › NiSource (NI) › Operating margin
NiSource (NI) operating margin by quarter
NiSource's operating margin was 26.2% in Q3 2026 (third quarter 2026), +8.5 pts from Q2 2026. Over the last 7 quarters it ranged from 17.7% (Q2 2026) to 35.3% (Q1 2025).
| Quarter | Operating margin | Q/Q | Y/Y |
|---|---|---|---|
| Q3 2026 | 26.2% | +8.5 pts | +2.2 pts |
| Q2 2026 | 17.7% | -17.6 pts | -3.4 pts |
| Q1 2026 | 35.3% | +8.0 pts | -0.1 pts |
| Q4 2025 | 27.3% | +3.3 pts | — |
| Q3 2025 | 24.0% | +2.9 pts | — |
| Q2 2025 | 21.1% | -14.2 pts | — |
| Q1 2025 | 35.3% | — | — |
Q3 2026 at a glance
NiSource, Q3 2026: revenue $1.3B (+5% year over year), operating margin 26.2%, net earnings $130M, operating cash flow $547M. The chart follows the revenue to costs, profit and cash.
Questions
What is NiSource's operating margin?
NiSource's operating margin was 26.2% in Q3 2026 (third quarter 2026), +8.5 pts from Q2 2026.
How has NiSource's operating margin changed?
Over the last 7 quarters it ranged from 17.7% (Q2 2026) to 35.3% (Q1 2025).