NiSource has grown revenue 4.4% a year over three years and 7.8% a year over five, with earnings per share compounding at 9.3%. Revenue growth, 3-year annual rate: +4.4% (Utilities - Regulated Gas median +5.4%). Revenue growth, 5-year rate: +7.8%, growth has slowed since the five-year average. Earnings per share, 3-year rate: +9.3%, earnings outgrew revenue: margins or the share count worked for shareholders. Years of annual history on file: 18, FY2008 to FY2025, as filed.

NINiSource

Utilities

$40.77+3.5% 1Y

$40.77

$38.9952 weeks$48.28

Is it growing?

Mixed

Neither accelerating nor breaking down: nothing decisive, though revenue growing +17% year on year.

1 good, 2 neutral

Revenue trend+17% in a year

Trailing-twelve-month revenue vs a year earlier, from the company's own filings.

Earnings trend−1% in a year

Trailing-twelve-month earnings per share against a year earlier. Growing slower than revenue, so the growth is costing something.

Margin direction+0.1 points operating

Trailing-twelve-month operating margin, 21.2% now against 21.1% a year earlier.

All from SEC EDGAR, as of Jun 30, 2026.

Where this answer is blind. These are trailing numbers from the filings, not forecasts: an acquisition or a one-off year can flatter them, so check the quarters.

Is NI growing?

NiSource has grown revenue 4.4% a year over three years and 7.8% a year over five, with earnings per share compounding at 9.3%.

+4.4%

Revenue growth, 3-year annual rate · Utilities - Regulated Gas median +5.4% · growing slowly · compounded from fiscal-year columns as filed

Revenue growth, 5-year rate: +7.8%
Revenue growth, 5-year rate · +4.4% over three · growth has slowed since the five-year average
Earnings per share, 3-year rate: +9.3%
Earnings per share, 3-year rate · revenue +4.4% · earnings outgrew revenue: margins or the share count worked for shareholders
Years of annual history on file: 18
Years of annual history on file · FY2008 to FY2025, as filed