Rolls Royce plans to grow its hydrogen portfolio
Rolls Royce enters electrolyser sector
Firm has acquired a 54pc majority stake in German electrolyser stack specialist Hoeller Electrolyzer
Engine manufacturer Rolls Royce is entering the hydrogen production market by acquiring a 54pc majority stake in German electrolyser stack specialist Hoeller Electrolyzer. The latter’s technology will form the basis of a new range of electrolyser products from Rolls Royce’s power systems division. Hoeller has developed proton-exchange-membrane (PEM) stacks under the brand name Prometheus. The firm does not publish efficiency figures for its electrolysers but says they are significantly higher than conventional PEM models thanks to surface technologies for the bipolar plates that reduce the use of platinum and iridium as catalysts and increase output pressure. It has already registered 14 pat
Also in this section
18 February 2026
Norwegian energy company has dropped a major hydrogen project and paused its CCS expansion plans as demand fails to materialise
4 February 2026
Europe’s largest electrolyser manufacturers are losing patience with policymakers as sluggish growth in the green hydrogen sector undermines their decision to expand production capacity
2 February 2026
As a fertiliser feedstock, it is indispensable, but ammonia’s potential as a carbon-free energy carrier is also making it central to global decarbonisation strategies
28 January 2026
The development of hydrogen’s distribution system must speed up if the industry is to stand any chance of grabbing a meaningful slice of the low-carbon energy market
