NiSource NI Business Segments
| TTM Q1 '26 | TTM Q4 '25 | TTM Q3 '25 | TTM Q2 '25 | TTM Q1 '25 | ||
|---|---|---|---|---|---|---|
| Customer revenues by Business | ||||||
| Columbia Operations | $3.4B+17.3% | $3.31B+28.9% | $3.08B+24.3% | $3.01B+21.9% | $2.9B+15.0% | |
| Corporate and Other | $1.52M+51.8% | $1.32M— | $4.32M+101% | $3.42M+101% | $1M+101% | |
| NIPSCO Operations | $3.2B+15.5% | $3.11B+20.2% | $2.98B+18.0% | $2.84B+13.3% | $2.77B+10.6% | |
| Other revenues by Business | ||||||
| Corporate and Other | $5.1M+168% | $4.9M+444% | $3.9M+388% | $3M+329% | $1.9M+138% | |
| NIPSCO Operations | $122.3M+12.6% | $109.3M+13.3% | $117.3M+39.0% | $114.6M+40.1% | $108.6M+36.1% | |
| Regulated Operating Revenue by Business | ||||||
| Columbia Operations | $3.43B+14.1% | $3.34B+23.1% | $3.18B+24.1% | $3.12B+10.5% | $3B-0.5% | |
| NIPSCO Operations | $5.81B+17.6% | $5.72B+20.3% | $5.16B— | $5.03B— | $4.94B— | |
| Operating Income (Loss) by Business | ||||||
| Columbia Operations | $921.6M+13.4% | $895.1M+22.8% | $849M+16.2% | $838.1M+12.6% | $812.5M+8.6% | |
| NIPSCO Operations | $974.7M+19.6% | $938.1M+30.3% | $868.3M+32.0% | $807M+22.3% | $815.3M+40.3% | |
| Taxes, Miscellaneous by Business | ||||||
| Columbia Operations | $257.3M+12.7% | $253.2M+15.8% | $240.5M+20.7% | $233.9M+14.9% | $228.4M+10.7% | |
| NIPSCO Operations | $77.9M+16.8% | $75.5M+17.4% | $72.2M+15.9% | $68.5M+11.7% | $66.7M+12.1% | |
| Total Assets by Business | ||||||
| Columbia Operations | $62.34B+7.9% | $61.12B+8.0% | $59.98B+8.1% | $58.89B— | $57.77B— | |
| NIPSCO Operations | $72.01B+14.6% | $70.28B+16.6% | $67.98B+16.4% | $65.59B— | $62.87B— | |
| Cost of energy by Business | ||||||
| Columbia Operations | $823.9M+23.8% | $819.8M+59.3% | $744.1M+54.8% | $719.8M+18.5% | $665.7M-6.6% | |
| NIPSCO Operations | $782.3M+13.5% | $764.7M+23.8% | $735.5M+11.7% | $732M-2.2% | $689M-20.1% | |
| Utilities Operating Expense, Maintenance and Operations by Business | ||||||
| Columbia Operations | $959.1M+10.3% | $923.7M+10.3% | $896.1M+11.6% | $886.2M+11.0% | $869.8M+8.1% | |
| NIPSCO Operations | $868.3M+12.5% | $848.9M+11.5% | $833M+10.6% | $795.6M+3.0% | $772.1M-1.3% | |
| Depreciation, Depletion and Amortization by Business | ||||||
| Columbia Operations | $463.9M+10.7% | $451.2M+10.3% | $441.1M+12.1% | $431.4M+12.5% | $419.1M+11.2% | |
| NIPSCO Operations | $702M+17.2% | $680.6M+15.3% | $650.3M+17.0% | $621.8M+19.0% | $598.9M+19.1% | |
| Accounts Receivable, Allowance for Credit Loss by Business | ||||||
| Columbia Operations | $48.5M+19.8% | $44M-1.1% | $38.2M-14.9% | $38.9M— | $40.5M— | |
| NIPSCO Operations | $84.1M+48.3% | $72.1M+31.8% | $61M+15.7% | $59.4M— | $56.7M— |
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.
