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
18 March 2026
The second fossil-fuel price shock in four years can be a much-needed catalyst for investment in the sector
9 March 2026
Hydrogen has not stalled in the UK because the technology does not work. The problem is that the system around it does not yet move at the speed required
4 March 2026
Turmoil in Middle East reminds nascent clean hydrogen sector that its future prospects are dependent on global energy markets and geopolitics
25 February 2026
Low-carbon hydrogen and ammonia development is advancing much more slowly and unevenly than once expected, with high costs and policy uncertainty thinning investment. Meanwhile, surging energy demand is reinforcing the role of natural gas and LNG as the backbone of the global energy system, panellists at LNG2026 said






