Bidirectional Charging Station
Bidirectional charging turns your EV into energy storage, supplying power when needed or most valuable.
how it works?
Bidirectional charging pays off for everyone.
With or without solar panels, bidirectional charging lowers costs and adds extra value to existing systems.
The annual financial benefit depends on your situation. We will gladly calculate it for you.
Bidirectional Charging: Key Facts
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 car battery becomes part of your energy system
Your EV battery unlocks savings while the energy management system automatically optimises energy consumption in real time.
More independence for your home
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.
EV battery capacity
Home battery capacity
Bidirectional charging pays off
With a bidirectional charging station, you make your electric car's battery part of your energy system. Your additional benefit is further savings, and income where the market allows it.
Always full control over the charge level
Via the manufacturer's app, you monitor your EV battery, set a minimum state of charge and optimise the use of surplus energy.
Funding for bidirectional charging stations
Status on 11/09/2026
Are you interested in a personalized offer?
Free State's bidirectional charging turns your electric car into a power bank for your home. This saves you electricity costs and gives you greater independence.
Request your personalized quote now and find out how you can benefit from bidirectional charging.
Request a quote
For which situation would you like a personal, non-binding quote? *
List of electric vehicles that support bidirectional charging.
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.
Types of bidirectional charging
There are various concepts of bidirectional charging, these are the most common:
Standards and Regulations
ISO 15118-20 (2022) defines communication standards for bidirectional charging between EVs and wallboxes. Manufacturers must now deliver compatible, cost-effective systems.
BiDi Newsletter
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.
