TransAlta (STU:TZ1) Other Operating Expense: €603 Mil (TTM As of Mar. 2026)


STU:TZ1 TransAlta Corp STU:TZ1
55 GF Score
Price €12.40
GF Value €6.22
Valuation Significantly Overvalued
! 6 Warning Signs
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What is TransAlta Other Operating Expense?

TransAlta STU:TZ1 55 Other Operating Expense is €603 Mil as of Mar. 2026. GuruFocus rates STU:TZ1 with a GF Score™ of 55/100 and a GF Value™ of €6.22 (Significantly Overvalued). The stock has 6 warning signs investors should review.

TransAlta's Other Operating Expense for the three months ended in Mar. 2026 was €119 Mil. Its Other Operating Expense for the trailing twelve months (TTM) ended in Mar. 2026 was €603 Mil.

TransAlta's quarterly Other Operating Expense increased from Sep. 2025 (€152 Mil) to Dec. 2025 (€167 Mil) but then declined from Dec. 2025 (€167 Mil) to Mar. 2026 (€119 Mil).

TransAlta's annual Other Operating Expense declined from Dec. 2023 (€640 Mil) to Dec. 2024 (€615 Mil) but then increased from Dec. 2024 (€615 Mil) to Dec. 2025 (€639 Mil).

TransAlta Other Operating Expense Historical Data

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The historical data trend for TransAlta's Other Operating Expense can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

TransAlta Other Operating Expense Chart

TransAlta Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Other Operating Expense
Get a 7-Day Free Trial Premium Member Only Premium Member Only 607.06 612.19 639.77 614.68 639.49

TransAlta Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Other Operating Expense Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 164.95 164.93 152.12 167.15 119.16
STU:TZ1
55GF Score
TransAlta Corp STU:TZ1
Other Operating Expense is just one metric. See GF Score™, valuation, warning signs, and more.
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TransAlta Other Operating Expense Calculation

GuruFocus uses a standardized financial statement format for all companies. For non-financial companies, GuruFocus lists Selling, General, & Admin. Expense, , Research & Development, and Other Operating Expense under the "Total Operating Expense" section.

Other Operating Expense sometimes includes:
Restructuring, and merger
Acquisition related and other
Litigation settlement charge
Other (too numerous to list)

Some companies can and do choose to report each of these items separately. Yet, there are a variety of Other Operating Expense which are simply too numerous to list.

Other Operating Expense for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €603 Mil.

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

What does a Other Operating Expense of €603 Mil mean?
TransAlta (STU:TZ1) has a Other Operating Expense of €603 Mil as of Mar. 2026. Other operating expenses that a company records on its income statement. View historical data on TransAlta and its competitors.
Is TransAlta's Other Operating Expense too high?
TransAlta's current Other Operating Expense is €603 Mil. Overall, TransAlta has a GF Score™ of 55/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TransAlta's Other Operating Expense compare to CEG and VST?
TransAlta's Other Operating Expense of €603 Mil can be compared against companies in the Utilities - Independent Power Producers industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Other Operating Expense for an Utilities - Independent Power Producers company?
A good Other Operating Expense depends on the Utilities - Independent Power Producers industry context. However, Other Operating Expense should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Other Operating Expense mean?
A high Other Operating Expense can signal that a stock is expensive relative to its fundamentals. Other operating expenses that a company records on its income statement. View historical data on TransAlta and its competitors. TransAlta's current Other Operating Expense is €603 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TransAlta stock overvalued right now?
Based on GuruFocus' analysis, TransAlta (STU:TZ1) is currently considered Significantly Overvalued. The stock's GF Value™ is €6.22, compared to a current price of €12.40 — trading 99.4% above its estimated fair value. The current Other Operating Expense is €603 Mil. TransAlta's overall GF Score™ is 55/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Other Operating Expense calculated?
Other Operating Expense is calculated from a company's financial statements. For TransAlta (STU:TZ1), the current Other Operating Expense is €603 Mil as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is TransAlta (STU:TZ1) Overvalued in 2026?

Based on GuruFocus' analysis, TransAlta stock appears to be overvalued. The current stock price of €12.40 is trading 99.4% above its estimated GF Value™ of €6.22. GuruFocus considers TransAlta to be Significantly Overvalued.

Key valuation signals for STU:TZ1:

  • Other Operating Expense: €603 Mil
  • GF Value™: €6.22 vs. price of €12.40 (99.4% above fair value)
  • GF Score™: 55/100 with 6 warning signs

No single metric tells the full story. See the STU:TZ1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

TransAlta Business Description

Address 1100 1st Street SE, TransAlta Place, Suite 1400, Calgary, AB, CAN, T2G 1B1
TransAlta Corp is an independent power producer based in Alberta, Canada. The company operates a diverse electrical power generation assets in Canada, the United States, and Western Australia. The company has reportable segments namely, Hydro, Wind & Solar, Gas, Energy Transition segment and Corporate Segment. The company generates the majority of its revenue from the gas segment.
55GF Score

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Other Operating Expense is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€12.40
Price
€6.22
GF Value