Is Adani Energy Sol overvalued or undervalued?

As of 19 September 2025, the valuation grade for Adani Energy Sol has moved from expensive to very expensive, indicating a significant shift in its perceived value. The company is currently overvalued, with a PE ratio of 43.99, a Price to Book Value of 4.78, and an EV to EBITDA ratio of 16.49. These ratios suggest that the stock is trading at a premium compared to its earnings and book value.
In comparison to its peers, Adani Energy Sol's valuation stands out as particularly high. For instance, NTPC, which is rated attractive, has a PE ratio of 13.71 and an EV to EBITDA of 10.77, while Tata Power Co. has a PE of 30.63 and an EV to EBITDA of 12.34. This stark contrast reinforces the notion that Adani Energy Sol is overvalued relative to its industry peers. Additionally, despite a recent positive performance against the Sensex, with a 1-week return of 5.89% compared to the Sensex's 0.88%, the long-term outlook remains concerning, especially given the 3-year return of -78.2% versus the Sensex's 39.71%.