Nel takes FID on US electrolyser plant expansion
The manufacturer pushes further into the US with expansion and planned gigafactory, despite heavy losses over 2022
Norway’s Nel has taken FID on expanding its 50MW electrolyser manufacturing facility in Wallingford, Connecticut to 500MW by 2025. The expansion is estimated to cost NOK60mn ($25mn) and represents a push into the US, as Nel considers sites for a planned gigawatt-scale facility. The gigafactory will produce both alkaline and proton-exchange-membrane (PEM) electrolysers, with around 4GW of total production capacity. “We are considering three attractive alternatives in three different states and will make a final decision shortly,” says Nel CEO Hakon Volldal. The Wallingford facility produces PEM electrolysers, while Nel’s Heroya factory in Norway produces the alkaline variety. While the PEM ve
Also in this section
23 December 2025
Government backing and inflow of private capital point to breakthrough year for rising star of the country’s clean energy sector
19 December 2025
The hydrogen industry faces an important choice: coordinated co-evolution or patched-together piecemeal development. The way forward is integrated co-evolution, and freight corridors are a good example
10 December 2025
Project developer Meld Energy ready to accelerate 100MW project in Humber region after securing investment from energy transition arm of private equity firm Schroders Capital
9 December 2025
BP and Engie abandon large-scale green hydrogen projects in Gulf state as developers in all regions continue to struggle with lack of firm offtake






