Skip to content
Blog

OCPP & EV Charging Blog

Technical guides, protocol deep-dives, and best practices for OCPP, OCPI, smart charging, and EV infrastructure testing.

OCPP AI Agents for EV Charging: Uses & Architecture
6 min read

OCPP AI Agents for EV Charging: Uses & Architecture

How OCPP AI agents automate EV charging — fault diagnosis, smart charging, and CSMS testing — plus the architecture, guardrails, and how to test agents on virtual chargers.

Best OCPP Simulators & Emulators in 2026 Compared
7 min read

Best OCPP Simulators & Emulators in 2026 Compared

Compare the best OCPP simulators and emulators for CSMS testing, including cloud platforms, open-source tools, and field utilities for OCPP 1.6 and OCPP 2.0.1 workflows.

How to Test a CSMS: The Complete Guide to Charge Station Management System Testing
21 min read

How to Test a CSMS: The Complete Guide to Charge Station Management System Testing

A comprehensive guide to CSMS testing covering OCPP protocol validation, load testing, integration testing, security testing, and automated QA. Learn the testing methodology used by teams managing 10,000+ charge points.

OCPP Implementation Guide: How to Build a CSMS for 1.6 and 2.0.1
18 min read

OCPP Implementation Guide: How to Build a CSMS for 1.6 and 2.0.1

Step-by-step OCPP implementation guide for building a CSMS with OCPP 1.6 and OCPP 2.0.1, including WebSocket setup, message handling, transactions, smart charging, and testing.

OCPP 1.6 vs 2.0.1: Differences, Features, and Migration Guide
13 min read

OCPP 1.6 vs 2.0.1: Differences, Features, and Migration Guide

Compare OCPP 1.6 and OCPP 2.0.1 across security, smart charging, device management, transaction handling, ISO 15118 support, and migration planning for CSMS teams.

What Is a CSMS? Charging Station Management System Explained
4 min read

What Is a CSMS? Charging Station Management System Explained

What a CSMS is, what a Charging Station Management System does, how it works with OCPP, and how EV charging teams build, evaluate, and test one.

The Complete Guide to EV Charger Testing: Methods, Tools & Best Practices
8 min read

The Complete Guide to EV Charger Testing: Methods, Tools & Best Practices

EV charger testing ensures your CSMS and charging infrastructure work reliably at scale. Learn the key testing methods — functional, load, compliance, integration, and regression — plus best practices for virtual vs physical testing.

EV Charging Glossary: 50+ Terms Every Developer Should Know
5 min read

EV Charging Glossary: 50+ Terms Every Developer Should Know

A comprehensive glossary of EV charging terminology covering OCPP, OCPI, CSMS, CPO, eMSP, smart charging, ISO 15118, and more. The definitive reference for EV charging developers.

Best CSMS Platforms in 2025: Open Source vs Commercial Compared
11 min read

Best CSMS Platforms in 2025: Open Source vs Commercial Compared

A comprehensive comparison of the best CSMS platforms in 2025, including open source options like SteVe, Open e-Mobility, and CitrineOS, and commercial platforms like ChargePoint, EVBox, Current, and Ampcontrol. Covers pricing, OCPP support, scalability, and how to choose the right one.

How to Build a CSMS: Architecture Guide for EV Charging Platforms
12 min read

How to Build a CSMS: Architecture Guide for EV Charging Platforms

A comprehensive architecture guide for building a CSMS (Charging Station Management System) from scratch. Covers WebSocket server design, OCPP message routing, authorization, transaction management, smart charging, OCPI integration, technology choices, and scaling strategies.

OCPP & OCPI Blog for EV Charging Engineers | OCPPLab