With a price-to-earnings (or "P/E") ratio of 24.5x NextEra Energy, Inc. (NYSE:NEE) may be sending bearish signals at the moment, given that almost half of all companies in the United States have P/E ratios under 18x and even P/E's lower than 10x are not unusual. However, the P/E might be high for a reason and it requires further investigation to determine if it's justified.

Recent times haven't been advantageous for NextEra Energy as its earnings have been falling quicker than most other companies. One possibility is that the P/E is high because investors think the company will turn things around completely and accelerate past most others in the market. If not, then existing shareholders may be very nervous about the viability of the share price.

What Are Growth Metrics Telling Us About The High P/E?

In order to justify its P/E ratio, NextEra Energy would need to produce impressive growth in excess of the market.

If we review the last year of earnings, dishearteningly the company's profits fell to the tune of 11%. However, a few very strong years before that means that it was still able to grow EPS by an impressive 181% in total over the last three years. Although it's been a bumpy ride, it's still fair to say the earnings growth recently has been more than adequate for the company.

Looking ahead now, EPS is anticipated to climb by 8.1% per annum during the coming three years according to the analysts following the company. With the market predicted to deliver 11% growth each year, the company is positioned for a weaker earnings result.

With this information, we find it concerning that NextEra Energy is trading at a P/E higher than the market. It seems most investors are hoping for a turnaround in the company's business prospects, but the analyst cohort is not so confident this will happen. There's a good chance these shareholders are setting themselves up for future disappointment if the P/E falls to levels more in line with the growth outlook.

The Final Word

We'd say the price-to-earnings ratio's power isn't primarily as a valuation instrument but rather to gauge current investor sentiment and future expectations.

We've established that NextEra Energy currently trades on a much higher than expected P/E since its forecast growth is lower than the wider market. When we see a weak earnings outlook with slower than market growth, we suspect the share price is at risk of declining, sending the high P/E lower. Unless these conditions improve markedly, it's very challenging to accept these prices as being reasonable.

And what about other risks? Every company has them, and we've spotted 3 warning signs for NextEra Energy (of which 1 is potentially serious!) you should know about.

Of course, you might find a fantastic investment by looking at a few good candidates. So take a peek at this free list of companies with a strong growth track record, trading on a low P/E.

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