V2H - UK?

[BotusBuild]

Sort of ....

 

In case anyone was wondering, as I was, the following 5 vehicles support Vehicle to Home (V2H):-

 

Hyundai Ioniq 5

Hyundai Ioniq 6

Kia EV9

Nissan Leaf

Cupra Born

 

You do need a bi-directional charger as well.

 

With most car batteries seeming to have more capacity than your standard home solar batteries, and if you are considering one of the above cars anyway, then a bi-directional should be a no brainer decision IMHO. Except, they do not yet appear to be available in the UK 😞 - see later post.

 

Further investigation required to see if there is an auto cut off feature for when the battery gets down to a preset level, say 20%.

Edited 3 hours ago by BotusBuild

[BotusBuild]

That didn't take long

 

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What are the minimum battery levels required for V2H operation?

The minimum battery levels required for V2H operation vary by vehicle and charger, but most systems allow you to set a minimum state of charge to prevent draining the battery too low. Typically, you can set this between 20% and 30% to ensure you have enough power for driving. Check your specific EV and charger's manual for exact settings.

[BotusBuild]

Bidirectional Charger Availability in the UK

Bidirectional chargers are expected to become available in the UK during 2026, with the first commercial launches expected in the second half of the year. However, availability will be gradual and limited initially.

 

Nissan's 2026 Launch

Nissan has announced it will launch affordable bidirectional charging on selected electric vehicles starting in 2026, with the UK as the first market. This is significant because Nissan has already achieved G99 Grid code certification with an AC-based solution, which is required to supply electricity to the UK national energy grid. The company aims to price its AC bidirectional charger comparably to a standard mono-directional charger available today, making it more accessible than previous estimates.

 

Other Manufacturers

Enphase Energy has announced its IQ Bidirectional EV Charger will be available globally in the second half of 2026. This DC-based charger delivers up to 11.5 kilowatts of bidirectional power and includes features like "black start" backup capability for powering homes during outages.

 

Current Barriers in the UK

Despite the promising timeline, the UK still faces regulatory and technical challenges. Current smart charging legislation doesn't fully accommodate bidirectional charging yet, and there are complications around:

 

Standardisation of communication

• protocols between chargers and vehicles
• Tax and regulatory implications for selling electricity back to the grid
• Integration with existing electricity grid infrastructure

The bottom line: While chargers are coming to market in 2026, widespread availability will likely take time. Early adopters may see options from Nissan and other manufacturers, but it will be a gradual rollout rather than an immediate, universal availability.