Current Affairs - By Marc Mültin

How EVs, chargers and the CPMS talk: a tech deep dive into smart charging

Understanding the protocol handshake that enables dynamic load management, price signals, and grid integration

Feb 17 • Marc Mültin

9

1

January 2026

A clear guide to load management, phase rotation, and smart charging

Static vs dynamic load management, why getting phase rotation right is critical for efficient power usage, and how OCPP 1.6 smart charging profiles…

Jan 27 • Marc Mültin

10

From black box to glass box: Unlocking full charger visibility with OCPP 2.0.1 Device Model

A deep dive into the protocol feature every CPO should understand – and most don't – that makes chargers observable, configurable, and ready to scale

Jan 13 • Marc Mültin

12

6

December 2025

How a Plug & Charge session actually works

Learn how the EV automatically authenticates itself at the charging station, what security checks unfold, and what vehicle and charger OEMs need to…

Dec 23, 2025 • Marc Mültin

6

1

Preparing an EV for Plug & Charge: what really happens behind the scenes

A step-by-step look at the orchestration of digital certificates, billing contracts, and market roles that enables seamless Plug & Charge across the…

Dec 17, 2025 • Marc Mültin

7

1

Trust is all you need: Inside the PKI that powers Plug & Charge

A deep dive into the digital identity system and public key infrastructure that underpins the cybersecurity of the EV charging ecosystem.

Dec 2, 2025 • Marc Mültin

5

1

November 2025

Inside Plug & Charge: The cryptographic architecture of seamless EV charging

A clear guide to TLS, symmetric vs asymmetric ciphers, key exchange, and digital signatures in EV charging that enable confidentiality, data integrity…

Nov 18, 2025 • Marc Mültin

5

2

1

Plug & Charge: The technology, the ecosystem, and the road ahead of seamless charging

Understand the basic principles, the industry roles, and the rollout challenges shaping the future of a seamless "just plug in and charge" experience …

Nov 11, 2025 • Marc Mültin

9

7

4

Behind the plug: Inside the web of cloud connections behind every charging session

Lift the curtain behind the operations and "languages" that connect the central charge point operator with utilities, mobility service providers…

Nov 4, 2025 • Marc Mültin

6

1

October 2025

Behind the plug: What really happens when your EV talks to the charger

In this Part 2 of "Behind the Plug", we'll start to cover the communication protocols (aka "languages") used to facilitate an interoperable, seamless…

Oct 28, 2025 • Marc Mültin

7

1

Acronym Survival Guide

A quick-reference glossary for the EV charging acronyms you’ll see across my articles.

Oct 26, 2025 • Marc Mültin

2

Behind the plug: Who's who in the EV charging ecosystem

When you plug in your car, a quiet digital conversation begins. In this Part 1, we'll cover who’s talking, and why seamless charging is harder than it…

Oct 19, 2025 • Marc Mültin

18

1