EV Charging & OCPP

EV Charging Software and OCPP Integration

Digiton designs, builds, and migrates OCPP charging management platforms for charge point operators, installers, and fleet operators, timed against the AFIR deadlines now landing across the EU.

Charge point operators across Europe are running two clocks at once. One is commercial: more chargers, more sessions, more revenue per site. The other is regulatory: the Alternative Fuels Infrastructure Regulation (AFIR) is landing a sequence of dated technical obligations on every public charger, and the software behind most charging networks was not built to meet them. Digiton designs, builds, and migrates the platforms that sit behind the chargers: the OCPP central system, the operator dashboard, the billing and session layer, and the integrations that connect them to hardware, payment rails, and national reporting systems.

Why charge point operators are moving now

Three AFIR obligations apply on fixed dates, not on a rolling schedule set by the operator.

None of these are optional line items. A charger that cannot negotiate ISO 15118-2, a network that cannot publish DATEX II data, or a fast charger without a card reader is a charger that falls out of compliance, and increasingly out of the national registries and roaming networks other operators and drivers rely on. For the full breakdown, see our AFIR compliance guide.

OCPP 1.6 to 2.0.1: the migration underneath the deadlines

Most of the installed base in Europe still runs OCPP 1.6. It works, but it was not designed for certificate-based security, structured device management, or native ISO 15118 support. OCPP 2.0.1 is the first version of the protocol built with ISO 15118 in mind, which makes it the practical path to plug and charge and to the AFIR deadlines above. For a small or mid-size CPO, a full migration (central system, firmware, testing, phased rollout) typically runs 6 to 12 months. We cover the full breakdown, phase by phase, in our OCPP migration guide.

What we build

• OCPP 2.0.1 migration. Scoping, central system upgrade or replacement, firmware coordination with your charger vendors, staged rollout, and legacy decommission.
• ISO 15118-2 plug and charge. Vehicle-to-charger certificate exchange, contract certificate provisioning, and the backend changes needed to authorize a session without a card or app.
• DATEX II reporting pipelines. Automated data feeds from your central system to the national access point, built once and left running.
• Payment terminal integration. Card reader integration for 50kW+ sites, wired into your existing billing and session data.
• Custom CPMS builds. For operators whose hardware mix or business model does not fit an off-the-shelf platform, a purpose-built backend on an open OCPP stack.
• Operator and fleet dashboards. Session monitoring, uptime, revenue, and utilisation, for your team, your installers, or your fleet customers.

Proof: a production platform on Zaptec hardware

Digiton designed and shipped a production OCPP charging management platform on Zaptec hardware for a European EV charging operator: OCPP backend integration, session and billing logic, and an operator dashboard, taken from scoping to a live deployment handling real charging sessions. That is the same discipline we bring to a migration or a new build: a fixed scope, a working system, and a team that stays accountable after go-live.

How the engagement works

1. Audit. We map your current OCPP version, hardware fleet, firmware versions, and the specific AFIR obligations that apply to your sites.
2. Migration or build plan. A fixed-scope plan with a realistic timeline, usually 6 to 12 months for a mid-size operator, shorter for a single-site installer.
3. Build and test. Central system work, firmware coordination, and testing against real chargers before anything touches production traffic.
4. Phased cutover. Sites move in stages, not all at once, so a problem on one site never takes down the rest of the network.
5. Monitoring. Once live, session data, uptime, and compliance reporting run without manual intervention.

Digiton works with small and mid-size charge point operators, installers, and fleet operators on fixed-scope OCPP migrations and platform builds. Email contact@digiton.ai with your current charger count and OCPP version, and we will scope the migration.

Frequently asked questions

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