A side-by-side look at how Enapter, Bloom Energy, and Plug Power split clean water into hydrogen — and which one fits your project.
Jump to the comparison ↓Standardized, mass-produced electrolyzer modules you scale by adding units — from single cabinets to megawatt "Multicore" arrays.
Runs hot (~750–850 °C) and splits steam instead of liquid water, reaching very high electrical efficiency — especially where waste heat is available.
Containerized 1–10 MW PEM systems from a vertically integrated hydrogen player that also builds liquefaction, storage, and fuel cells — a full ecosystem, not just a stack.
| Metric | Enapter | Bloom | Plug Power |
|---|---|---|---|
| Technology | AEM | Solid Oxide (SOEC) | PEM |
| Operating temp | ~55 °C | ~750–850 °C | ~50–80 °C |
| Efficiency | Good | Excellent (with heat) | Good |
| Scaling model | Add modules | Large systems | MW containers |
| Rare catalysts | None | None | Yes (Pt / Ir) |
| Ramp / flexibility | Fast | Slower (thermal) | Fast |
| Sweet spot | Distributed kW–MW | Industrial MW+ | Utility-scale H₂ |
| Maturity | Commercial | Commercial | Commercial |
← swipe the table sideways on small screens
You want to start small and scale flexibly, deploy in distributed locations, or avoid precious-metal supply-chain risk.
You run at industrial scale with access to steam or waste heat and want to squeeze out the highest electrical efficiency.
You want proven utility-scale PEM systems that respond quickly to variable renewables — and value a single vendor covering production, storage, and delivery.