EvolOH

EVOLOH is a company that manufactures electrolyzer stacks. Their products are designed for lower total installed cost and simpler integration. They use high-throughput roll-to-roll manufacturing to enable lower stack costs and fast delivery timelines. They offer an insurance-backed long-term service agreement and remote monitoring and diagnostics. Their Nautilus® 3 MW and 12 MW modules are engineered for simplicity and affordability, built from earth-abundant materials, and designed to reduce system complexity and lower levelized cost of hydrogen.

EVOLOH manufactures electrolyzer stacks. The company states that it makes profitable hydrogen projects possible and that its electrolyzers are engineered for lower total installed cost and simpler integration. It uses high-throughput roll-to-roll manufacturing to enable lower stack costs and fast delivery timelines. The company offers an insurance-backed long-term service agreement and remote monitoring and diagnostics. Its Nautilus® 3 MW and 12 MW modules are designed for simplicity and affordability, built from earth-abundant materials, and designed to reduce system complexity and lower levelized cost of hydrogen. The company states that it has 5+ MW contracted and delivering in 2026, a 0.5 MW standard stack tested and validated, and 10+ patents awarded.

EVOLOH positions itself as making profitable hydrogen projects possible, with electrolyzers that pencil out, lower total cost of ownership, and built to scale.

• Nautilus® 3 MW module

  Standardized building block for hydrogen projects, fits in a 10-foot container.

• Nautilus® 12 MW module

  Same proven Nautilus® architecture at a larger scale, fits in a 40-foot container.

1. EVOLOH | Electrolyzers that pencil out - Shipping now.
2. EVOLOH | About
3. EVOLOH | Products