TAC vs AES

For growth investors, The AES Corporation (AES) is the stronger pick with -0.

4% revenue growth year-over-year, versus -15. 5% for TransAlta Corporation (TAC). The AES Corporation (AES) offers the better valuation at 11. 3x trailing P/E (6. 2x forward), making it the more compelling value choice. Analysts rate TransAlta Corporation (TAC) a "Buy" — based on 9 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On forward P/E, The AES Corporation is actually cheaper at 6.

2x.

Over the past 5 years, TransAlta Corporation (TAC) delivered a total return of +39.

8%, compared to -31. 7% for The AES Corporation (AES). Over 10 years, the gap is even starker: TAC returned +171. 5% versus AES's +81. 6%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), The AES Corporation (AES) is the lower-risk stock at 1.

01β versus TransAlta Corporation's 1. 21β — meaning TAC is approximately 20% more volatile than AES relative to the S&P 500. On balance sheet safety, The AES Corporation (AES) carries a lower debt/equity ratio of 3% versus 3% for TransAlta Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), The AES Corporation (AES) is pulling ahead at -0.

4% versus -15. 5% for TransAlta Corporation (TAC). On earnings-per-share growth, the picture is similar: The AES Corporation grew EPS -46. 6% year-over-year, compared to -206. 7% for TransAlta Corporation. Over a 3-year CAGR, AES leads at -1. 0% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

The AES Corporation (AES) is the more profitable company, earning 7.

8% net margin versus -5. 7% for TransAlta Corporation — meaning it keeps 7. 8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AES leads at 16. 1% versus -9. 2% for TAC. At the gross margin level — before operating expenses — TAC leads at 32. 6%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

On forward earnings alone, The AES Corporation (AES) trades at 6.

2x forward P/E versus 78. 1x for TransAlta Corporation — 71. 9x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for AES: 27. 8% to $18. 25.

All stocks in this comparison pay dividends.

The AES Corporation (AES) offers the highest yield at 4. 9%, versus 1. 4% for TransAlta Corporation (TAC).

For long-horizon retirement investors, The AES Corporation (AES) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1.

01), 4. 9% yield). Both have compounded well over 10 years (AES: +81. 6%, TAC: +171. 5%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the null sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: TAC is a small-cap quality compounder stock; AES is a mid-cap deep-value stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.