Is Alliant Energy Corp. overvalued or undervalued?

As of 17 October 2025, the valuation grade for Alliant Energy Corp. has moved from expensive to fair. Based on the current metrics, the company appears fairly valued. The P/E ratio stands at 19, the EV to EBITDA ratio is 14.50, and the PEG ratio is 0.99, indicating a reasonable valuation relative to its growth prospects.
In comparison to its peers, Alliant Energy Corp. has a P/E ratio of 19.19, which is lower than Entergy Corp.'s 27.67 and DTE Energy Co.'s 52.80, suggesting that it is competitively priced within the industry. Additionally, FirstEnergy Corp., also rated fair, has a lower P/E of 16.53, further supporting the notion that Alliant is not overvalued. Notably, over the past year, Alliant Energy Corp. has returned 9.83%, which lags behind the S&P 500's 14.08%, indicating that while the stock is fairly valued, it has not outperformed the broader market recently.