RedHawk Energy Systems, LLC is a value-added manufacturing subsidiary of the Arthur N. Ulrich Company. Since the early 1980's, RedHawk Energy has helped commercial and industrial customers tackle their critical prime and back-up power challenges with innovative solutions ranging from a few watts to several kilowatts. Our customers include virtually every Class 1 railroad in North America, shortline railroads, transit agencies, upstream, midstream and downstream oil & gas companies, telecommunication companies, shipping companies, government agencies, Fortune 500 & 1000 corporations and many others.

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740-964-4000 (M-F: 8am-5pm EST)           Email Us



What's New?

PowerGenJuly 2020 - PowerGen Stirling Engines - Size Range Expanded!

We're excited to announce that Qnergy's PowerGen Series Stirling Engines are now available at 600W, 1.2kW, 1.8kW and 5.6kW!  Designed for rugged and remote operation, the PowerGen Series Stirling Engine Generators provide reliable electrical power supply to the most demanding and mission-critical sites with minimal maintenance needs and a design life of 60,000+ hours! 

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Critical Power Solutions

PowerGen Stirling Engines


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Markets We Serve

Railroad Power Systems


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