TransAlta Corp (TAC)
TransAlta Corporation engages in the development, production, and sale of electric energy. It operates through Hydro, Wind and Solar, Gas, Energy Transition, and Energy Marketing segments. The Hydro segment holds interest of approximately 922 megawatts (MW) located in Alberta and Canada. The Wind and Solar segment has a net ownership interest of approximately 2,587 MW located in Alberta, Canada, the Unites States, and Western Australia, as well as battery storage facilities. The Gas segment has a net ownership interest of approximately 4834 MW located in Alberta, Canada, the Unites States, and Western Australia. The Energy Transition segment has a net ownership interest of approximately 671 MW located in the United States, as well as operates the Skookumchuck hydro facility in Centralia. The Energy Marketing segment is involved in the trading of electricity, natural gas, and environmental products. TransAlta Corporation was founded in 1909 and is headquartered in Calgary, Canada.
- Ticker
- TAC
- Exchange
- NYSE
- Sector
- Utilities
- Industry
- Utilities - Independent Power Producers
- 52-week range
- $11.38 - $15.98
Valuation
- Share price
- $13.01 (close of Nov 6, 2026)
- P/E (TTM)
- -28.72x
- Price to book
- 3.72x
- Price to free cash flow
- 13.74x
Price performance
| Period | Change |
|---|---|
| 1 day | -0.84% |
| 5 days | +0.23% |
| 1 month | -0.84% |
| 3 months | +4.25% |
| 6 months | +1.72% |
| Year to date | +2.93% |
| 1 year | -12.92% |
| 3 years | +67.01% |
| 5 years | +15.95% |
| 10 years | +217.32% |
| All time | -19.04% |
Short interest
- As of
- Oct 15, 2026
- Short % of float
- 4.80%
- Shares short
- 15.14M
- Days to cover
- 10.97
- Change since prior report
- +6.07%
- Source
- FINRA consolidated short interest
Profitability and growth
- Return on equity
- -9.42%
- Return on invested capital
- 2.12%
- Return on assets
- -1.59%
- Return on capital employed
- 2.05%
- Gross margin
- 59.04%
- Net margin
- -5.74%
- EBITDA margin
- 29.90%
- Revenue growth
- -15.47%
- Net income growth
- -160.26%
- Free cash flow growth
- -18.14%
Cash flow and balance sheet
- Free cash flow yield (TTM)
- 7.28%
- Current ratio
- 0.73x
- Net debt to EBITDA
- 5.88x
Latest reported year
- Period end
- Dec 31, 2025
- Fiscal year
- 2025
- Shares outstanding
- 297.00M
Margins and returns by year
| Period end | Gross margin | Net margin | Return on equity | Return on capital |
|---|---|---|---|---|
| 2025-12-31 | 59.04% | -5.74% | -9.42% | 2.12% |
| 2024-12-31 | 63.06% | 8.05% | 12.43% | 7.89% |
| 2023-12-31 | 65.07% | 20.72% | 41.77% | 18.35% |
| 2022-12-31 | 54.94% | 1.68% | 2.51% | 5.65% |
| 2021-12-31 | 54.72% | -19.74% | -20.71% | -4.08% |
| 2020-12-31 | 53.93% | -13.66% | -8.35% | -0.73% |
| 2019-12-31 | 53.73% | 3.49% | 2.02% | 4.37% |
| 2018-12-31 | 51.09% | -8.80% | -4.79% | 2.17% |
| 2017-12-31 | 55.96% | -6.94% | -3.65% | 0.92% |
| 2016-12-31 | 59.82% | 7.05% | 3.62% | 4.88% |
Investor relations
Past earnings dates
| Reported | Fiscal period | EPS estimate |
|---|---|---|
| 2026-11-03 | Sep 2026 | - |
| 2026-07-31 | Jun 2026 | - |
| 2026-05-06 | Mar 2026 | - |
| 2026-02-27 | Dec 2025 | - |
| 2025-11-06 | Sep 2025 | - |
| 2025-08-01 | Jun 2025 | - |
| 2025-05-07 | Mar 2025 | - |
| 2025-02-20 | Dec 2024 | - |
Filings and sources
- Company website
- transalta.com
- SEC filings
- 10-K, 10-Q and 8-K on EDGAR
- Earnings calendar
- All upcoming reports
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Understanding these figures
Price-to-earnings ratio · Short interest · Discounted cash flow · Free cash flow · Earnings per share · Return on equity · Gross margin vs net margin · Reading a balance sheet · Debt and leverage · Dividend yield · Insider transactions and Form 4 · How to read a stock chart
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