Based on the most recent data from Jul 31, 2026, AES's PEG ratio comes in at 4.91. This metric factors in a PE of 7.85 with an earnings growth rate of 1.6%.
AES PEG ratio history
Looking at the last eight years, AES's PEG ratio has has been around 0.55 on average. At 4.91, today's PEG ratio sits 793% more than its historical average. Within the last eight years, the Mar 2026 quarter recorded the highest PEG value at 4.71. At 0.01, the Dec 2024 quarter showed the minimum PEG ratio in this period.
AES PEG ratio by year
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | N/A | 11.38 | -47.1% |
| 2024 | 0.01 | 5.41 | 543.2% |
| 2023 | 0.36 | 52.03 | 145.1% |
| 2022 | N/A | N/A | -34.4% |
| 2021 | N/A | N/A | -971.4% |
| 2020 | N/A | 335.71 | -84.8% |
| 2019 | N/A | 43.26 | -74.7% |
| 2018 | 0.04 | 7.95 | 203.4% |
| 2017 | N/A | N/A | -2.3% |
| 2016 | N/A | N/A | -482.2% |
| 2015 | N/A | 21.27 | -57.9% |
| 2014 | 0.02 | 12.87 | 613.3% |
| 2013 | 0.86 | 96.73 | 112.4% |
| 2012 | N/A | N/A | -1,828.6% |
| 2011 | 0.28 | 169.14 | 600% |
AES PEG ratio by quarter (TTM)
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Mar 2026 | 4.71 | 7.53 | 1.6% |
| Dec 2025 | N/A | 11.38 | -47.1% |
| Sep 2025 | N/A | 8.95 | -7.5% |
| Jun 2025 | 1.43 | 8.16 | 5.7% |
| Mar 2025 | 0.05 | 6.75 | 142.1% |
| Dec 2024 | 0.01 | 5.41 | 543.2% |
| Sep 2024 | 0.04 | 12.62 | 287.1% |
| Jun 2024 | 0.05 | 14.4 | 317.9% |
| Mar 2024 | 0.12 | 23.59 | 198.7% |
| Dec 2023 | 0.36 | 52.03 | 145.1% |
| Sep 2023 | N/A | N/A | -107.3% |
| Jun 2023 | N/A | N/A | -7.7% |
| Mar 2023 | N/A | N/A | -266.7% |
| Dec 2022 | N/A | N/A | -34.4% |
| Sep 2022 | N/A | N/A | -150% |
AES average PEG ratio chart
When comparing to historical data, AES's PEG ratio sits above its 3, 5 and 10-year averages.
PEG comparison
AES's PEG of 4.91 is above the Utilities sector and the industry average. Looking at its Utilities sector average of 1.51, AES's PEG is 225% higher.
AES EPS growth
AES Price vs fair value
AES PEG vs peers
AES has a PEG ratio above that of peer stock DUK.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| DUK Duke Energy Corp | 2.31 | $97.55B |
| AES AES Corp | 4.92 | $10.49B |
| D Dominion Energy Inc | N/A | $60.6B |
| NRG NRG Energy Inc | N/A | $29.35B |
| AEP American Electric Power Company Inc | N/A | $69.87B |
| SRE Sempra | N/A | $57.91B |
| ORA Ormat Technologies Inc | N/A | $5.98B |
Frequently asked questions
What is AES's PEG ratio?
AES shows a PEG ratio of 4.91, per Jul 31, 2026 data.
What is the 3-year average PEG ratio for AES (AES)?
Historical data over a 3-year period places AES's average PEG ratio at 0.85.
What is the 5-year average PEG ratio for AES (AES)?
Historical data over a 5-year period places AES's average PEG ratio at 0.76.
What is the highest PEG ratio for AES?
At 4.91, AES's current PEG ratio marks the highest value observed over the past eight years.
How does the current PEG ratio for AES compare to its historical average?
AES currently has a PEG ratio 793% above its 8-year average.
Why is AES's PEG ratio so high?
A 4.91 PEG ratio for AES suggests the stock is priced at a premium relative to its growth trajectory.
How is AES's PEG ratio calculated (AES PEG ratio formula)?
The PEG ratio comes from taking PE and dividing by the rate at which earnings are growing (YoY TTM). As of Jul 31, 2026, AES has a P/E ratio of 7.85. Earnings grew at 1.6% over the TTM period ending Mar 2026. Applying the formula, this gives a price to earnings growth ratio of 4.91. PEG RATIO(4.91) = PE RATIO(7.85) / EPS GROWTH(1.6%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.