OCPP Gateway Connection Limits

OCPP Gateway Connection Limits

Tecell’s OCPP gateway is designed to sustain up to 1,000 concurrent WebSocket connections per instance during peak usage, supporting high-density charging deployments without performance degradation.

Connection Handling in Practice

In real-world deployments, this capacity allows operators to manage large-scale installations such as shopping centers, campuses, or fleet charging hubs. Each connection represents a charging station communicating with the backend system. The gateway efficiently handles message queuing and prioritization to maintain responsiveness even under heavy load.

For environments with more than 1,000 stations, Tecell recommends deploying multiple gateway instances in a clustered configuration. This setup distributes the connection load and ensures redundancy, which is essential for mission-critical infrastructure.

Operators can monitor connection usage through Tecell’s ChargeSphere dashboard, which provides real-time visibility into active connections and system performance metrics.

Impact on Charging Operations

For fleet managers and facility operators, this connection limit means fewer bottlenecks during peak charging times. Stations can communicate seamlessly with the backend, enabling features like real-time status updates, dynamic pricing, and load balancing.

When deploying in apartment complexes or commercial buildings, the gateway’s capacity supports a wide range of charging station types and protocols, including both OCPP 1.6 and 2.0.1. This flexibility ensures that even diverse installations remain manageable within a single system.

Operators who exceed the connection threshold can scale horizontally by adding more gateway nodes, maintaining system stability and performance across large networks.

Related Reading

For more on related topics, see: Tecell Eris X6 3.3kW (WiFi) – Tecell.

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