Store Energy Now, Use It When It Matters.

VanCharg™ is Ashlawn Energy's non-flammable vanadium redox flow battery system built for long-duration, stationary energy storage. The system charges from the grid, solar, or other electrical sources, then discharges stored energy during peak demand periods to support building operations, reduce demand charges, and improve energy reliability. Unlike conventional short-duration batteries, VanCharg™ is designed for frequent charge and discharge cycles, deep discharge capability, and flexible short to long-duration applications.

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Benefits of Our Technology

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Reduce Peak Demand

Charge during off-peak hours and discharge during high-demand periods to help reduce demand charges and manage building energy costs.

Support Emissions Compliance

VanCharg™ helps buildings lower peak-period grid consumption, supporting carbon-reduction strategies and compliance planning for policies such as NYC Local Law 97.

Improve Energy Resilience

Long-duration energy storage can support critical building operations, backup-power strategies, and community resilience during grid stress or outages.

Built on Non-Flammable Chemistry

VanCharg™ uses an aqueous vanadium electrolyte. UL9540A flashpoint testing found no flashpoint for the tested vanadium redox flow battery electrolytes, supporting its strong safety profile.

Designed for Long-Duration Applications

Flow battery energy capacity can be extended by increasing electrolyte volume, making VanCharg™ well suited for multi-hour storage applications.

How will Local Law 97 impact your building?

New York City building owners are preparing for stricter emissions limits, rising utility costs, and the need for safer energy storage options in dense urban environments. VanCharg™ helps buildings shift energy use away from expensive, high-emission peak periods while supporting long-duration energy storage and resilience planning.
Use the LL97 calculator to estimate your building's potential carbon penalty, then contact Ashlawn Energy to explore how VanCharg™ may support your compliance strategy.

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Be Part of the Future of Safe Energy Storage

Ashlawn Energy is developing and deploying VanCharg™ systems for buildings, communities, and energy partners that need reliable, non-flammable, long-duration energy storage. Whether your goal is peak shaving( one liner for peak shaving), emissions reduction, renewable integration, or resilience, our team can help evaluate your site and design the right energy storage approach.