Stargate to manufacture replacement stacks for legacy Cummins alkaline electrolysers
Stargate Hydrogen will manufacture replacement stacks for 400+ legacy Cummins alkaline electrolysers worldwide, covering 1,000+ HyStat stacks in 65 countries. Cummins ceased new electrolyser commercial activity earlier this year. Stargate, founded in 2021, gains access to a global customer base. Financial details were not disclosed.
How this was made

The 30-second read
Why it matters
The new aftermarket contract extends Cummins' service offering for legacy assets, potentially stabilizing revenue from older installations while it pivots to newer technology.
Market read
First disclosure of a service agreement between Cummins and Stargate, offering modest upside potential for Cummins shareholders.
What to watch
Stargate's ability to scale production and meet quality standards will be critical to realizing any revenue benefit for Cummins.
Background
Cummins has been shifting focus to PEM electrolyzer technology, reducing promotion of its alkaline systems since 2023.
Ticker impact
Cummins (CM) appointed Stargate Hydrogen as its aftermarket supplier for replacement stacks on legacy alkaline electrolyzers.
likely modest upside as the market prices in the new service revenue opportunity.
No financial terms were disclosed, limiting the ability to gauge magnitude, but the partnership signals continued support for existing customers.
Market effects
Highlights ongoing demand for alkaline electrolyzer retrofits, potentially benefiting other aftermarket service providers in the hydrogen sector.
Supports Cummins' global footprint across 65 countries, reinforcing its presence in the hydrogen market.
Adds to the broader narrative of transition from alkaline to PEM electrolyzer technology worldwide.
Counterpoint
The lack of disclosed financial terms may indicate limited revenue upside, suggesting the market impact could be negligible.
Key entities
- CompanyCummins Inc.
US-listed industrial equipment manufacturer (ticker CM).
- CompanyStargate Hydrogen
Estonian hydrogen electrolyzer manufacturer, private.





