**The Overlooked Challenge of EV Charger Management: Why Payment Systems Must Be as Connected as the Charger**
The European electric vehicle revolution is not merely an energy story; it is a test of large-scale device orchestration. As charging infrastructure proliferates across highways, retail forecourts, and residential streets, the critical question shifts from simply deploying hardware to managing a distributed fleet of interconnected endpoints. The true measure of success will be whether these devices can operate as a cohesive, remotely managed network rather than isolated machines requiring constant physical intervention.
At the heart of this challenge is the recognition that every public EV charger is fundamentally an Internet of Things (IoT) endpoint. Beyond delivering electricity, it must maintain persistent or intermittent connectivity to report status, receive firmware and software updates, authenticate transactions, and communicate with central management systems—all while operating reliably in demanding outdoor conditions. A charger whose payment system requires a site visit to reconfigure undermines the potential of a remotely manageable fleet. The weakest link in connectivity defines the entire system’s resilience.
To address device-level interoperability, the industry has embraced the Open Charge Point Protocol (OCPP), developed and maintained by the Open Charge Alliance. OCPP has established a shared communication language between chargers and back-end systems, ensuring operators are not locked into single-vendor solutions. It has become a de facto standard because efficient, multi-vendor deployments depend on it. However, a significant gap remains: the payment function inside chargers has historically been excluded from these open standards. Often tied to proprietary networks, payment systems have lacked the ability to be remotely reconfigured, updated, or integrated into the broader device management framework. This disconnect transforms what should be a manageable fleet component into a liability.
That gap is closing. Open payment-acceptance standards, notably the nexo standards built on ISO 20022, are establishing a vendor-neutral language for payment terminals, point-of-sale systems, and acquirers. These standards perform for the payment layer what OCPP does for the charger itself: they enable the payment component to be integrated, updated, and managed with the same software-driven, remote approach as the rest of the device. Android-based unattended terminals managed through a terminal management system exemplify this model, allowing configuration, firmware, certificates, and security updates to be deployed over the air. For operators managing thousands of distributed endpoints, every component must be manageable through a unified, software-defined architecture.
Regulatory frameworks are now reinforcing this shift. The Alternative Fuels Infrastructure Regulation (AFIR) mandates that new public charging stations above 50kW accept open card payments, with existing stations required to retrofit by January 2027. The European Accessibility Act introduces accessibility requirements for self-service terminals, while PCI DSS 4.0 raises security standards for unattended payment devices. Meeting these requirements at scale exposes the limitations of closed payment systems, which typically demand costly, on-site hardware work across vast distributed networks. Operators with open, connected, and software-defined infrastructure can instead leverage remote deployment strategies similar to those used for OCPP-compliant firmware updates.
The evolution is also extending to vehicle-to-infrastructure communication. As vehicles become more connected, the boundary between car and charger blurs, with in-car payment credentials, vehicle-initiated authentication, and machine-to-machine settlement emerging. For these capabilities to function at scale, payment cannot remain a separate system adjacent to charging hardware; it must be a native element of the connected architecture, exchanging data and authenticating transactions through the same protocols and remote management layer as the rest of the device. This integrated approach is foundational not only for EV charging but also for smart cities, where transport networks, parking systems, and public infrastructure increasingly rely on interoperable, remotely managed device ecosystems.
Ultimately, the success of Europe’s EV charging rollout hinges on whether the entire connected device—including its payment system—can be managed, secured, and updated remotely across a vast, distributed fleet. The rapid deployment of charging points must be matched by an equally robust architecture designed for remote management from the outset. When payment functionality is engineered with the same standards of openness, remote manageability, and interoperability as every other connected component, the infrastructure becomes future-ready. Until then, the true potential of electric vehicle infrastructure will remain constrained.
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**Original Article:**
Niedergang, J.-P. (2026). *The Overlooked Challenge of EV Charger Management: Why Payment Systems Must Be as Connected as the Charger*. IoT Insider. Retrieved from https://www.iotinsider.com/the-overlooked-challenge-of-ev-charger-management-why-payment-systems-must-be-as-connected-as-the-charger/
