"After its earnings report, the 'hot energy storage stock' Bloom Energy soared again, up more than 350% this year."

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The market is betting on the power demand for AI data centers, and this "hot energy storage stock" has already gained over 350% this year, becoming one of the most dazzling stars of the U.S. stock market in 2025.

Fuel cell manufacturer Bloom Energy surged 20% after hours on Tuesday, thanks to this AI-concept stock's third-quarter financial report showing adjusted earnings above expectations and suggesting that 2025 performance will be better than previous guidance.

The latest financial report shows the company’s third-quarter adjusted earnings per share were $0.15, exceeding analysts’ expectations of $0.10, and revenue was $519 million, far higher than the market’s expected $428 million. However, under GAAP, due to employee stock compensation and other items, the company still posted a net loss of $0.10 per share.

Company CEO KR Sridhar stated on the earnings call: "Based on what we see now, we expect all financial metrics in 2025 to be better than the annual guidance we previously released."

Bloom has become one of the best-performing stocks of 2025, with cumulative gains exceeding 350% this year. The market expects it to play an important role in powering AI data centers. However, the stock is valued at 110 times its expected 2026 earnings per share, much higher than mature AI-concept stocks like Nvidia, and 16% of shares are sold short, increasing potential volatility.

Capacity Expansion Targeting AI Power Demand

Bloom Energy announced it is expanding capacity, planning to reach an annual output of 2 GW of fuel cells by the end of 2026, which would be enough to quadruple its annual revenue compared to 2025 levels.

Over the past year, this company has transformed from a volatile stock related to the clean energy industry into a favorite in the AI sector. Its fuel cells are seen as a solution to the soaring power demand of AI, because these devices can be deployed off-grid and can quickly ramp up power generation.

The company has signed cooperation agreements with Oracle, Brookfield Asset Management, and utility company AEP. The largest institutional shareholder, Columbia Threadneedle, investment portfolio manager Paul Wick, commented:

"We are facing a severe power shortage. Gas turbines are sold out through 2029. Nuclear power construction and commissioning take a long time. But Bloom can deploy fuel cells in a modular way within three months."

Bullish investors believe the company can capture market share from the $100 billion annual gas turbine market. But Bloom’s stock price already reflects huge growth expectations far beyond its current capacity.

According to the latest public data, 16% of the company’s publicly traded shares are borrowed by short sellers, a significant proportion that makes the stock price face greater volatility risk before and after major events such as earnings reports.

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