Investing.com -- Bloom Energy shares rose about 8% in after hours on Tuesday after the fuel cell power systems maker reported record second-quarter results, with revenue surpassing $1 billion for the first time, and raised its full-year 2026 guidance on strong demand from AI data centres and hyperscale customers.

The company posted revenue of $1.07 billion for the quarter ended June 30, up 166% from a year earlier, led by a 215% jump in product revenue. Gross margin expanded to 33.4% from 26.7% a year ago, while operating income swung to $182.2 million from a loss of $3.5 million. Diluted earnings per share rose to $0.62 from a loss of $0.18 a year earlier.

Bloom raised its full-year 2026 revenue guidance to a range of $3.9 billion to $4.2 billion, from its prior outlook, and forecast a non-GAAP gross margin of about 34%, non-GAAP operating income of $800 million to $900 million, and non-GAAP EPS of $2.55 to $2.85. The updated revenue outlook implies about 100% year-over-year growth at the midpoint, according to the company.

Founder and Chief Executive KR Sridhar said demand for the company's onsite power systems continued to accelerate as customers increasingly shifted away from combustion-based technologies. He added that all major U.S. hyperscalers and more than a dozen U.S. AI labs, neocloud providers and colocation data center operators have validated Bloom's power solutions for AI infrastructure.

Chief Financial Officer Simon Edwards said the quarter marked the strongest in the company's history, citing profitable growth, positive operating cash flow and continued investment to meet robust demand. Operating cash flow improved to $226.4 million from an outflow of $213.1 million a year earlier.