Plug Power (PLUG) Stock Analysis & Winston Score

Plug Power makes hydrogen fuel cell systems and builds hydrogen infrastructure. Its main products are fuel cells that power forklifts in warehouses, along with equipment to produce, store, and deliver liquid hydrogen. Big customers include Amazon and Walmart, which use Plug Power's systems to run their warehouse fleets instead of traditional batteries. The company sells hardware, leases equipment, and charges customers for hydrogen fuel under long-term service agreements. It operates mainly in the United States but has been expanding into Europe. Plug Power is one of the larger pure-play hydrogen energy companies in the US, but it has struggled to turn a profit — its gross margin is currently negative, meaning it costs more to deliver its products than it earns from them. The key risk is whether the company can scale up hydrogen production enough to lower costs and reach profitability before it needs to raise more cash from investors.