Starting January 1, only ISO 15118-20:2022 compliant home charging points are allowed. Tesla Wall Connector Gen3 is not permitted.

Under Regulation 2025/656 (sometimes referred to as AFIR 2027), starting from January 1, 2027, only charging stations compliant with ISO 15118-20:2022 should be installed in the countries of the Union, replacing the previous standard ISO 15118-2:2016. This is a serious matter as it also affects private buyers: newly installed charging stations must support two-way communication with the vehicle (V2x). This will enable operators to communicate with the car’s battery in the future, provided the owner allows it.

Updated standards for the benefit of us all

Table of contents

Updated standards for the benefit of us all

Private charging stations

The regulation can be found HERE; it was issued in 2025, has already taken effect, and must be applied in all countries of the European Union. Starting from January 8, 2026, new publicly available charging points only needed to be compatible with ISO 15118-x:2016 or 2019, where “x” is 1, 2, 3, 4, or 5 (source, point 2.1.1). Starting from January 1, 2027, this requirement is standardized, with all new and upgraded charging points having to comply with ISO 15118-20:2022.

And if they claim compatibility with Plug & Charge, they must also be backward compatible with ISO 15118-2:2016.

Nissan’s Mode 3 (c) Charging

Private charging points

Private charging stations must comply with the IEC 61851-1:2019 standard when operating in Mode 2, that is, when the car is connected to a 230 V wall outlet using an EVSE (the “brick” or “charger” included with the car), which is a cable with a small cubical box that allows for managing the charging process and monitoring it:

If we charge an electric vehicle with alternating current using a wall charger with a Type 2 connector (Mode 3) or a charger that provides direct current (Mode 4), they must comply with the latest ISO 15118-20:2022 standard. In other words, starting from January 1, 2027, we are only allowed to install wallboxes that meet ISO 15118-20:2022 standards, even if it’s in our driveway, home, or garage. Compatibility with the new standard will enable us in the future to power our home using a car battery or use a car battery as an energy storage system managed by the grid operator (V2G).

When purchasing a new wallbox, it is therefore worth checking whether it is compatible with the latest version of ISO 15118. The Tesla Wall Connector Gen3 mentioned in the title is not, as are many of the cheapest devices, since the new standard requires the use of more advanced electronics. Of course, we can choose to defy the regulations, but it is important to be aware that this will prevent us from reaping potential benefits such as seamless battery integration with the home or the ability to generate income from stored energy.

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