Why Cummins’ electrolyser bet has stalled and what comes next

In a sector currently oversupplied with electrolysers, it’s unsurprising that Cummins is struggling to find customers for its hydrogen production systems.

For those glancing over the US-based engine maker’s balance sheet, Q3 2025 saw some good results for its Accelera segment. The subsidiary, which holds Cummins’ e-mobility and electrolyser products, increased sales by 10% to $121m in the quarter.

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