Bloom Energy ($BE) +240% Surge vs Plug Power ($PLUG) -50% Decline: Clean Energy Stock Comparison Bloom Energy (BE) has surged roughly 240% over the past year on AI-driven data center power demand, while Plug Power (PLUG) has fallen more than 50% over the same period amid an ongoing restructuring. BE is now GAAP-profitable and raising guidance, whereas PLUG remains loss-making but is rapidly narrowing its negative gross margin toward breakeven. Both companies operate in the clean-energy hardware space, but BE's solid oxide fuel cells target stationary on-site power, while PLUG focuses on hydrogen electrolyzers and fuel cells. BE trades at a premium valuation with elevated debt, while PLUG faces balance-sheet and dilution concerns despite improving liquidity.