Bidirectional charging turns your EV into energy storage, supplying power when needed or most valuable.

With or without solar panels, bidirectional charging lowers costs and creates new revenue opportunities, adding extra value to existing systems.
The annual financial benefit depends on your situation. We will gladly calculate it for you.
Bidirectional charging integrates your electric vehicle into your home energy system, which an intelligent energy management system manages automatically for optimal energy use while transparently taking current technical limitations into account.

Your EV battery unlocks savings and income while the energy management system automatically optimises energy consumption in real time.
Capacity comparison:
An electric car battery has five to ten times the capacity of a typical home battery. This allows you to use your solar power for longer and remain independent of the grid for up to several days. Bidirectional charging strengthens your energy system and significantly increases your self-sufficiency.


With a bidirectional charging station, you make your electric car's battery part of your energy system. Your additional financial benefit: further savings and income.

Via the manufacturer's app, you monitor your EV battery, set a minimum state of charge and optimise the use of surplus energy.
FreeState's bidirectional charging turns your electric car into a power bank for your home. This saves you electricity costs, generates attractive additional income, and gives you greater independence.
Request your personalized quote now and find out how you can benefit from bidirectional charging.
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Many automakers have already launched vehicles that enable bidirectional charging. As more and more automakers adopt bidirectional technology, this list is expected to grow soon.
There are various concepts of bidirectional loading; these are the most common:

ISO 15118-20 (2022) defines communication standards for bidirectional charging between EVs and wallboxes. Manufacturers must now deliver compatible, cost-effective systems.
All our solar projects can easily be extended with bidirectional charging using a suitable energy management system. Interested in the latest information on bidirectional charging? Then sign up for our BiDi newsletter.
