Bloom Energy leads 2026 fuel cell rally with 219% gain, driven by AI demand and strong earnings.

Bloom Energy stock has surged 219% in 2026, outperforming FuelCell Energy and Plug Power, fueled by strong AI data center demand and impressive earnings beats. The company raised its 2026 revenue guidance to $3.4-$3.8 billion, backed by a $20 billion backlog and key partnerships with Brookfield and Oracle. FuelCell Energy and Plug Power also gained but from much lower bases, with mixed financial results and ongoing challenges. Investors should watch Bloom Energy's execution and the progress of its peers' pipelines and profitability targets.