Honda has invested in advanced bi-directional charging technology at its European R&D site in Offenbach, Germany. Through bi-directional energy transfer, electricity is drawn from the grid or is generated by photovoltaic solar panels, and is used to charge EVs plugged in to the system. While an EV is plugged in, the energy held in its battery can be transferred back to help stabilise the grid at times of short or surplus supply.
The technology installation in Germany follows the debut of the domestic Honda Power Manager Concept at the 2017 Frankfurt Motor Show in September. The concept previewed a fully-integrated energy transfer, which takes power from the grid and can return stored energy from electric vehicle (EV) batteries – through ‘Vehicle-to-Grid’ or ‘V2G’ technology. This latest trial installation at Honda’s Offenbach site applies the same principles on a larger scale.
With the help of the bi-directional hardware and with the technology of The Mobility House, Honda aims to optimise energy management at its European R&D campus, maximising the use of renewable solar power in particular. The project is testing the interaction, compatibility and power flow between specific electrical components, including the renewable energy cells and the EV batteries. The installation represents a collaboration between Honda R&D Europe, energy service provider The Mobility House and Swiss technology company EVTEC.