Otter Tail Corporation has grown revenue −1.6% a year over three years and 5.5% a year over five, with earnings per share compounding at −10%. Revenue growth, 3-year annual rate: −1.6% (Conglomerates median +3.8%). Revenue growth, 5-year rate: +5.5%, growth has slowed since the five-year average. Earnings per share, 3-year rate: −10%, earnings lagged revenue: the growth is costing something. Years of annual history on file: 18, FY2008 to FY2025, as filed.

OTTROtter Tail Corporation

Industrials

$87.48+6.0% 1Y

$87.48

$73.6252 weeks$94.36

Is it growing?

Watch

Growth is fading: earnings down −32% year on year and operating margin narrowing (−9.7 points).

2 to watch, 1 neutral

Revenue trend−0% in a year

Trailing-twelve-month revenue vs a year earlier, from the company's own filings. Five-year pace: +5% a year.

Earnings trend−32% 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−9.7 points operating

Trailing-twelve-month operating margin, 17.4% now against 27.0% 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 OTTR growing?

Otter Tail Corporation has grown revenue −1.6% a year over three years and 5.5% a year over five, with earnings per share compounding at −10%.

−1.6%

Revenue growth, 3-year annual rate · Conglomerates median +3.8% · shrinking · compounded from trailing twelve-month revenue

Revenue growth, 5-year rate: +5.5%
Revenue growth, 5-year rate · −1.6% over three · growth has slowed since the five-year average
Earnings per share, 3-year rate: −10%
Earnings per share, 3-year rate · revenue −1.6% · earnings lagged revenue: the growth is costing something
Years of annual history on file: 18
Years of annual history on file · FY2008 to FY2025, as filed