Hitachi, Mitsubishi and ENGIE Trial EV-to-Building Energy Storage Technology

on March 30, 2018

The companies linked what they claim is the first ‘vehicle to everything’ EV charger to energy firm ENGIE’s office in Zaandam, with the aim of providing grid flexibility services and boosting the overall energy efficiency of the building.

The project used Hitachi’s V2X Charger, which the global electronics and engineering company claims is the first EV recharging technology able to both power up an electric car as well as discharge the energy back into a building or grid via a variety of different routes.

It is also possible to connect solar panels and external energy storage directly to the V2X Charger “allowing a much more efficient electricity supply to buildings”, Hitachi explained.

The V2X Charger is connected to the building’s energy supply and, when the building generates more solar power than it needs, this excess energy is stored in the battery of the electric car, the consortium explained.

The resulting energy can then be discharged back into the grid when appropriate, and the car battery therefore acts as an energy storage source, as well as an emergency power supply.

Vincent Cobee, corporate vice president at Mitsubishi Motors, said the aim of the project was to show how EVs and plug in hybrid vehicles could be a “vital” component of urban energy systems. “This demonstration will help providing a new energy solution for energy efficient, low carbon smart buildings,” he said.

Buildings and transport together currently account for around 75 per cent of the total carbon emissions of services-focused companies, according to the three firms.

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Fractal Energy Storage ConsultantsHitachi, Mitsubishi and ENGIE Trial EV-to-Building Energy Storage Technology