TAC (TransAlta) Effective Interest Rate on Debt %: 5.74% (As of Mar. 2026)


TAC TransAlta Corp TAC
51 GF Score
Price $13.69
GF Value $6.86
Valuation Significantly Overvalued
! 6 Warning Signs
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What is TransAlta Effective Interest Rate on Debt %?

TransAlta TAC 51 Effective Interest Rate on Debt % is 5.74% as of Mar. 2026. GuruFocus rates TAC with a GF Score™ of 51/100 and a GF Value™ of $6.86 (Significantly Overvalued). The stock has 6 warning signs investors should review.

Effective Interest Rate on Debt % is the usage rate that a borrower actually pays on a debt. It is calculated as the positive value of Interest Expense divided by its average total debt. Total debt equals to Long-Term Debt & Capital Lease Obligation plus Short-Term Debt & Capital Lease Obligation. TransAlta's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was $184 Mil. TransAlta's average total debt for the quarter that ended in Mar. 2026 was $3,201 Mil. Therefore, TransAlta's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 5.74%.


TransAlta  (NYSE:TAC) Effective Interest Rate on Debt % Explanation

Effective Interest Rate on Debt % measures the usage rate that a borrower actually pays on a debt.


TransAlta Effective Interest Rate on Debt % Related Terms


TransAlta Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for TransAlta's Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % Chart

TransAlta Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 5.84 5.41 5.46 5.81 6.07

TransAlta Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Effective Interest Rate on Debt % 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 5.99 6.10 5.97 5.76 5.74

TAC vs CEG, VST, NRG: Effective Interest Rate on Debt % Comparison

For the Utilities - Independent Power Producers subindustry, TransAlta's Effective Interest Rate on Debt %, along with its competitors' market caps and Effective Interest Rate on Debt % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


TransAlta Effective Interest Rate on Debt % vs Utilities - Independent Power Producers Industry

For the Utilities - Independent Power Producers industry and Utilities sector, TransAlta's Effective Interest Rate on Debt % distribution charts can be found below:

* The bar in red indicates where TransAlta's Effective Interest Rate on Debt % falls into.


TAC
51GF Score
TransAlta Corp TAC
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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TransAlta Effective Interest Rate on Debt % Calculation

TransAlta's annualized Effective Interest Rate on Debt % for the fiscal year that ended in Dec. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Dec. 2024 )+Total Debt  (A: Dec. 2025 ))/ count )
=-1  *  -192.823/( (3199.972+3148.242)/ 2 )
=-1  *  -192.823/3174.107
=6.07 %

where

Total Debt  (A: Dec. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=2271.355 + 928.617
=3199.972

Total Debt  (A: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=2477.709 + 670.533
=3148.242

TransAlta's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Dec. 2025 )+Total Debt  (Q: Mar. 2026 ))/ count )
=-1  *  -183.672/( (3148.242+3252.916)/ 2 )
=-1  *  -183.672/3200.579
=5.74 %

where

Total Debt  (Q: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=2477.709 + 670.533
=3148.242

Total Debt  (Q: Mar. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=2571.429 + 681.487
=3252.916

* 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.

In the calculation of annual Effective Interest Rate on Debt %, the Interest Expense of the last fiscal year and the average total debt over the fiscal year are used. In calculating the quarterly data, the Interest Expense data used here is four times the quarterly (Mar. 2026) interest expense data. Effective Interest Rate on Debt % is displayed in the 30-year financial page.

What does a Effective Interest Rate on Debt % of 5.74% mean?
TransAlta (TAC) has a Effective Interest Rate on Debt % of 5.74% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on TransAlta and its competitors.
Is TransAlta's Effective Interest Rate on Debt % too high?
TransAlta's current Effective Interest Rate on Debt % is 5.74%. Overall, TransAlta has a GF Score™ of 51/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TransAlta's Effective Interest Rate on Debt % compare to CEG and VST?
TransAlta's Effective Interest Rate on Debt % of 5.74% 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 Effective Interest Rate on Debt % for an Utilities - Independent Power Producers company?
A good Effective Interest Rate on Debt % depends on the Utilities - Independent Power Producers industry context. However, Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % mean?
A high Effective Interest Rate on Debt % can signal that a stock is expensive relative to its fundamentals. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on TransAlta and its competitors. TransAlta's current Effective Interest Rate on Debt % is 5.74%. 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 (TAC) is currently considered Significantly Overvalued. The stock's GF Value™ is $6.86, compared to a current price of $13.69 — trading 99.6% above its estimated fair value. The current Effective Interest Rate on Debt % is 5.74%. TransAlta's overall GF Score™ is 51/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Effective Interest Rate on Debt % calculated?
Effective Interest Rate on Debt % is calculated from a company's financial statements. For TransAlta (TAC), the current Effective Interest Rate on Debt % is 5.74% 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 (TAC) Overvalued in 2026?

Based on GuruFocus' analysis, TransAlta stock appears to be overvalued. The current stock price of $13.69 is trading 99.6% above its estimated GF Value™ of $6.86. GuruFocus considers TransAlta to be Significantly Overvalued.

Key valuation signals for TAC:

  • Effective Interest Rate on Debt %: 5.74%
  • GF Value™: $6.86 vs. price of $13.69 (99.6% above fair value)
  • GF Score™: 51/100 with 6 warning signs

No single metric tells the full story. See the TAC 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.
51GF Score

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Effective Interest Rate on Debt % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$13.69
Price
$6.86
GF Value