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Volt Vault™

Are you waiting on electrical infrastructure, needing additional charging capacity, or operating in a remote location? If so, we can help simplify your fleet electrification with Volt Vault, our patent-pending, natural gas-supplied electric vehicle (EV) charger.

Image of an electric delivery van charging with U.S. Energy's Volt Vault EV charging unit

EV Charging the Way You Need It

Charging looks different for everyone. That’s why we built our Volt Vault product line to include onsite, on demand power generation that can be tailored to your needs. While traditional EV infrastructure takes 9-24 months to deploy, Volt Vault shortens that process to four months: including manufacturing, commissioning, and permitting.

Hear What Our Customers Have to Say

“Originally, we planned to have Level 2 chargers for our testing. However, due to utility provider delays, our installation timeline was delayed to the point this project might have no longer been possible. That’s when we learned about Volt Vault. Just a short five weeks from our first conversation with U.S. Energy, we had a charging unit and a CNG fuel tube trailer onsite and operational.” 
– John Fairbanks, Founder & CEO of PRŪV Mobility

2,500
Vehicles charged with
Volt Vault
Six
States with a deployed
Volt Vault unit
99.9%
Charging uptime and reliability

Curious About System Specifics?
Find the Volt Vault That’s Right for You.

Volt Vault: Nationwide Charging Footprint

Map showing the different locations across the U.S. where fleets have deployed a Volt Vault charging unit to streamline their fleet electrification and EV infrastructure requirements

New to Fleet Electrification? Here are Resources to Help.

Level 2 Volt Vault charging unit that's situated on a trailer to facilitate ease of movement between locations

Charge Your Fleet with Volt Vault

Whether you’re seeking charging resilience, waiting on your utility, or don’t own your property, this could be the solution you’ve been looking for to streamline your EV adoption. Reach out to learn how you can get started.