TransAlta (TSX:TA) rose 3.66% on 26 August 2026 as investors reacted to stronger sentiment around rising power demand, renewable energy expansion, and the company’s contracted generation investments and energy transition efforts.
That move comes after a mixed stretch for TransAlta, with the share price up 2.63% over the past week, but down 7.34% over the past month and 9.35% over the past quarter. Total shareholder returns of 6.98% over one year and more than 50% over five years suggest that longer term momentum has been stronger than recent trading implies.
Compare TransAlta's move with a curated group of utilities and infrastructure stocks that also focus on long term power demand and cleaner generation through the 38 power grid technology and infrastructure stocks
After that quick bounce and with TransAlta still trading below some estimates of intrinsic value, the question is whether the current price fairly reflects its mix of growth projects and recent setbacks, or still leaves a margin of safety.
Most Popular Narrative: 25.2% Undervalued
TransAlta's most followed valuation narrative places fair value at CA$23.45 per share compared with the latest close at CA$17.55, which suggests a sizeable gap that hinges on how data centre demand and contracted power projects play out over time.
Data center load growth in Alberta is expected to materially increase electricity demand over the next decade, with TransAlta well positioned to benefit thanks to capacity allocations, fleet optionality, and ongoing negotiations for long-term contracts, which will support sustained revenue growth and improved earnings visibility.
Want to see what sits behind that confidence? The narrative leans on projected earnings recovery, firmer margins, and a future profit multiple usually reserved for faster growing sectors.
Result: Fair Value of CA$23.45 (UNDERVALUED)
Have a read of the narrative in full and understand what's behind the forecasts.
However, the TransAlta story could change quickly if new gas, wind and solar supply affects power prices or if data centre contracts and projects face prolonged delays.
Find out about the key risks to this TransAlta narrative.
Next Steps
With both risks and rewards in play around TransAlta, it may be useful to consider the situation promptly and stress test the story yourself using the 3 key rewards and 1 important warning sign.
Looking for more investment ideas beyond TransAlta?
If TransAlta has your attention, do not stop there. Broaden your watchlist now so you are not relying on a single story for future opportunities.
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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.
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