Is NTPC Green overvalued or undervalued?

As of 27 January 2025, the valuation grade for NTPC Green has moved from does not qualify to very expensive, indicating a significant shift in its perceived value. The company is currently overvalued, with a PE ratio of 187.30, an EV to EBITDA ratio of 55.35, and a ROCE of only 4.63%. These ratios suggest that the stock is trading at a premium compared to its earnings and capital efficiency.
In comparison to its peers, NTPC Green's valuation appears excessive, as Suzlon Energy Ltd. has a PE ratio of 43.7 and an EV to EBITDA of 48.29, while Waaree Energies shows a PE of 45.62 and an EV to EBITDA of 32.51. This stark contrast highlights that NTPC Green is significantly more expensive than its competitors. Additionally, while NTPC Green has shown a 1-month stock return of 15.15%, it still lags behind the Sensex's 3.80% return, further underscoring its overvaluation in the current market context.