Bloom Energy Trades at a 380x P/E Ratio. Here's What Has to Go Right to Justify That.

For years, Bloom Energy (NYSE: BE) lost money as it worked to perfect its hydrogen fuel cells. Even as the technology improved, it still wasn't clear that there was a huge market opportunity. Artificial intelligence (AI) has dramatically changed the story. The only problem is that Wall Street is pricing in a lot of good news, with Bloom Energy's price-to-earnings ratio sitting at a shockingly high 380x. Can the business live up to investor expectations?

The bull case for Bloom Energy

Bloom Energy's original focus was on developing a technology that would provide clean energy. The main byproducts of using hydrogen to produce electricity are heat and water. This is good, but not necessarily enough to make Bloom Energy a winner. However, the fact that the company's fuel cells can provide clean, remote, off-grid power has suddenly become very important. Artificial intelligence is a power-hungry technology, and the electric grid is struggling to keep pace with demand. Bloom Energy's hydrogen fuel cells enable AI data centers to come online more quickly.

Image source: Getty Images.

Basically, all of the puzzle pieces came together, and Bloom Energy is in the right place at the right time. The company ended 2025 with its $6 billion product backlog up 140% year over year. The company only releases its backlog once a year, but it is highly likely that the backlog has continued to grow in 2026. Investors have taken notice, with Bloom Energy's stock price rising nearly 300% over the past year, as of this writing.

The problem is that Bloom Energy doesn't have a strong track record of profitability. In fact, the company has yet to produce a profit in any full calendar year. That's likely to change in 2026, thanks to the huge demand coming from AI. But after the massive stock price advance, investors are pricing in a lot of good news, leaving the stock's trailing price-to-earnings ratio at over 380x.

In order for that P/E ratio to make sense, the company will have to grow into its valuation. To be fair, earnings growth has been impressive so far in 2026. If you annualize the most recent quarterly earnings of roughly $0.60 per share, the P/E ratio would drop to roughly 120x. That's still very high, but a lot easier to stomach than 380x. And with a large backlog, there's a strong reason to believe earnings will continue to grow. However, if AI spending slows, investors are likely to rethink the valuation they have afforded Bloom Energy.

Bloom Energy has a fallback

That said, Bloom Energy's entire backlog entering 2026 was $20 billion, with long-term service contracts accounting for most of the total. Every hydrogen fuel cell placed in service comes along with a service contract that provides an annuity-like income stream. That provides a revenue backstop for when the AI growth story comes to an end. While this is good for the business, it probably won't be enough to maintain the stock's lofty valuation if AI spending eventually slows.

In other words, only the most aggressive growth investors should probably consider buying Bloom Energy today. And even then, it would be best if you also believe that the AI bubble that many on Wall Street are talking about is nowhere near bursting.

Reuben Gregg Brewer has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Bloom Energy. The Motley Fool has a disclosure policy.