Circle K partners with FLEXECHARGE on headless load management across 1,000 charge points

Circle K already has an established approach to energy management across its EV charging network.

As part of the continuous development of its technology stack, Circle K has partnered with FLEXECHARGE for a defined part of its existing Energy Management System functionality: load management.

FLEXECHARGE is delivering this functionality across 1,000 charge points in a headless setup. Instead of using the HARMON-E user interface, Circle K receives the relevant functionality and data directly into its own systems and dashboards.

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The challenge: changing supplier without changing the overall EMS approach

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For Circle K, this project is not about introducing a new way of managing charging sites.

Load management is already an established part of Circle K’s operations. The change is therefore not about introducing a new EMS approach, but about bringing in a new supplier for this specific functionality while keeping Circle K’s existing systems, dashboards and operational workflows in place.

That means the technology needs to do more than manage power reliably. It also has to integrate seamlessly into Circle K’s own digital environment, without adding another interface for its teams to operate.

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The solution: HARMON-E - delivered headlessly

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The solution distributes available site capacity between active charging sessions while respecting the configured site limit. As charging demand changes, available capacity can be dynamically reassigned between vehicles.

But the defining part of the deployment is how the solution is delivered.

Circle K does not use HARMON-E as an additional operational dashboard. Instead, FLEXECHARGE delivers the load-management functionality and relevant data headlessly into Circle K’s own systems through APIs.

This allows Circle K to retain its existing user experience and operational setup while changing the supplier behind a specific EMS function.

For FLEXECHARGE, this is also the first headless deployment of HARMON-E at this scale, creating a model that is particularly relevant for Enterprise CPOs with established internal platforms and dashboards.

The benefit: integrating a new supplier into the existing architecture

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The partnership brings FLEXECHARGE’s load-management functionality into Circle K’s existing EMS environment across 1,000 charge points, without requiring a new operational interface.

Reliable load management
Available power is distributed between charging sessions while keeping sites within their configured limits.

Efficient use of available capacity
Power can be reassigned dynamically as charging demand changes.

No additional operational UI
The headless setup allows Circle K to keep using its own systems and dashboards.

Integration into existing workflows
APIs make relevant load-management functionality and data available directly within Circle K’s technology stack.

Supplier change at scale

Circle K can integrate FLEXECHARGE across a significant number of charge points while maintaining its existing operational setup.

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For FLEXECHARGE, the project also marks an important product evolution. A headless version of HARMON-E makes it possible to serve large CPOs that already have mature internal platforms and want to integrate specialised energy-management functionality directly into their own technology stack.