TransAlta Corporation has grown revenue −6.9% a year over three years and 2.7% a year over five. Revenue growth, 3-year annual rate: −6.9% (Utilities - Independent Power Producers median +10%). Revenue growth, 5-year rate: +2.7%, growth has slowed since the five-year average. Years of annual history on file: 11, FY2015 to FY2025, as filed.

TACTransAlta Corporation

Utilities

$13.15-3.2% 1Y

$13.15

$11.5152 weeks$17.66

Latest close: back above its 200-day averageOct 9, 2026what changed →

Is it growing?

Mixed

Neither accelerating nor breaking down: operating margin widening (+14.6 points), but revenue shrinking (−15% year on year).

1 good, 1 to watch, 1 without data

Revenue trend−15% in a year

Trailing-twelve-month revenue vs a year earlier, from the company's own filings. Five-year pace: +3% a year.

Margin direction+14.6 points operating

Trailing-twelve-month operating margin, 5.8% now against -8.8% a year earlier.

All from SEC EDGAR, as of Dec 31, 2025.

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 TAC growing?

TransAlta Corporation has grown revenue −6.9% a year over three years and 2.7% a year over five.

−6.9%

Revenue growth, 3-year annual rate · Utilities - Independent Power Producers median +10% · shrinking · compounded from fiscal years as filed

Revenue growth, 5-year rate: +2.7%
Revenue growth, 5-year rate · −6.9% over three · growth has slowed since the five-year average
Years of annual history on file: 11
Years of annual history on file · FY2015 to FY2025, as filed

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