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How NiSource (NI) makes money

NiSource (NI) made $1.3B of revenue in the third quarter 2026 (Q3 2026), +5% from a year earlier. NIPSCO Operations brought in $796M (61%); Columbia Operations brought in $493M (38%); Corporate Segment brought in $10.5M (1%). Of every dollar of revenue, 26¢ was left as operating profit, 10¢ was left as net earnings.

Drawing the Sankey…

NiSource revenue by segment, Q3 2026NiSource revenue by segment, Q3 2026NIPSCO Operations$796MColumbia Operations$493MCorporate Segment$10.5MNIPSCO$1.6M
NiSource: revenue by line, Q1 2025 to Q3 2026NiSource: revenue by line, Q1 2025 to Q3 2026NIPSCO OperationsColumbia OperationsCorporate SegmentNIPSCONIPSCO Operations: $796M latest$796MColumbia Operations: $493M latest$493MCorporate Segment: $10.5M latestNIPSCO: $1.6M latestQ1 2025Q2 2025Q3 2025Q1 2026Q2 2026Q3 2026
Columbia Operations went from 58% of revenue in Q1 2025 to 38% in Q3 2026, the largest shift in the mix.
NiSource revenue by quarterNiSource revenue by quarter$2.1BQ1 2025$1.2BQ2 2025$1.2BQ3 2025$1.9BQ4 2025$2.3BQ1 2026$1.3BQ2 2026$1.3BQ3 2026
NiSource: where each dollar of revenue goesNiSource: where each dollar of revenue goesOperating profit26¢Income tax1¢Net earnings10¢Operating cash flow42¢

Revenue by segment, Q3 2026

SegmentRevenueShareQ/QY/Y
NIPSCO Operations$796M61.2%—+5%
Columbia Operations$493M37.9%—+3%
Corporate Segment$10.5M0.8%——
NIPSCO$1.6M0.1%——

Where each dollar of revenue goes

LineQ3 2026% of revenue
Revenue$1.3B100.0%
Operating profit$340M26.2%
Income tax$13.1M1.0%
Net earnings$130M10.0%
Operating cash flow$547M42.0%

Revenue, quarter by quarter

QuarterRevenueY/Y
Q3 2026$1.3B+5%
Q2 2026$1.3B+3%
Q1 2026$2.3B+8%
Q4 2025$1.9B+22%
Q3 2025$1.2B+15%
Q2 2025$1.2B+15%
Q1 2025$2.1B+26%

From NiSource's 10-Q filed Oct 28, 2026 (on EDGAR).

Questions

How does NiSource make money?

NiSource (NI) made $1.3B of revenue in the third quarter 2026 (Q3 2026), +5% from a year earlier. NIPSCO Operations brought in $796M (61%); Columbia Operations brought in $493M (38%); Corporate Segment brought in $10.5M (1%). Of every dollar of revenue, 26¢ was left as operating profit, 10¢ was left as net earnings.

What is NiSource's biggest business?

NIPSCO Operations: $796M in the third quarter 2026, 61% of revenue, +5% from a year earlier.

What is NiSource's profit margin?

Net earnings were $130M, 10.0% of revenue, in the third quarter 2026; the operating margin was 26.2%.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.