NiSource NI Business Segments
| Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | ||
|---|---|---|---|---|---|---|
| Customer revenues by Business | ||||||
| Columbia Operations | $1.33B+33.1% | $998.1M+108% | $479.7M-19.0% | $592.3M-52.2% | $1.24B+62.3% | |
| Corporate and Other | $1.4M+139% | -$3.6M-400% | $1.2M-52.4% | $2.52M+110% | $1.2M+300% | |
| NIPSCO Operations | $993.7M+25.9% | $789M+3.7% | $760.5M+16.2% | $654.2M-28.1% | $909.6M+39.4% |
Chart any of these lines over time, or line them up against competitors.
Compare these in charts →Questions, answered.
- How does NiSource break its business down?
- NiSource (NI) reports customer revenues by business across 3 parts — Columbia Operations, Corporate and Other and NIPSCO Operations. Each is extracted from the segment footnotes and tracked over time.
- Where does NiSource's segment data come from?
- Segment breakdowns are pulled from the segment footnotes in NiSource's SEC filings (the XBRL dimensional tags), so every line ties back to a reported figure. Switch between quarterly, annual, and TTM, or open any segment for its full history.
