Hydrogen-powered Generators Support Safe Rail Operations While Safeguarding the Environment - Union Pacific Rail [View all]

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Hydrogen-powered Generators Support Safe Rail Operations While Safeguarding the Environment

UP.com | John Boone | 12.27.2023

Deployment of new hydrogen fuel-cell power generators is helping Union Pacific Railroad ensure continued safe operations while having a positive impact on the environment.

Back-up power generators are used on our system whenever there’s a power outage. A common example is when major weather events occur, such as hurricanes or tornadoes. In these instances, generators power railroad crossing signals and gates to ensure continued safe rail operations. Union Pacific is able to mobilize back-up generators at a moment’s notice to any location on our system where they’re needed.

Historically, these generators have been gas-powered, but last year we began testing units with hydrogen-powered fuel cells as an alternative. Hydrogen is derived by separating H2O into its individual elements – hydrogen and oxygen – via electrolyser technology. This entirely renewable energy supply is one of the only zero-emission fuel sources on the market.

The typical gasoline-powered generators we use output approximately 325 lbs. of CO2 every 24 hours. Hydrogen fuel-cell generators, on the other hand, output 0 lbs. of CO2. Their only emission is water vapor created when the hydrogen recombines with oxygen in the atmosphere. Using hydrogen generators on our system instead of traditional gasoline-powered generators will help Union Pacific reach its science-based target to reduce greenhouse gas emissions 26% by 2030...more
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