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Renault uses EV batteries for stationary storage system

2018 - Lancement d’Advanced Battery Storage

Renault’s facilities in France and Germany will come online in 2019

Groupe Renault, the European leader in electric mobility, has launched Advanced Battery Storage, a stationary storage system for energy developed exclusively from EV batteries.

It will have a storage capacity of at least 60 MWh, making it the biggest system of its kind ever built in Europe. The first facilities will be developed in early 2019 on three sites in France and Germany: at the Renault plants in Douai and Cleon and at a former coal-fired plant in North Rhine-Westphalia.

The storage capacity will then be gradually expanded over time to contain the energy of 2,000 EV batteries. At this phase, the system will have reached – or more likely, exceed – the 60 MWh, equivalent to the daily consumption of a city of 5,000 households.

The purpose of this system is to manage the difference between electricity consumption and production at a given time, in order to increase the proportion of renewable sources in the energy mix.

This means maintaining the balance between offer and demand on the electricity grid by integrating different energy sources with fluctuating production capacities. The slightest gap between consumption and production sets off disturbances that can compromise the stability of the local frequency (50 Hz).

“Our stationary storage solution aims to offset these differences: it delivers its reserves to a point of imbalance in the grid at a given time to reduce the effects,” said director of the Groupe Renault new business energy programme Nicolas Schottey. By helping to maintain the balance of the grid, the stationary storage system will boost the economic attractiveness of low-carbon energies.

This stationary storage system is built using EV batteries compiled in containers. The system uses second-life batteries, as well as new batteries stored for future use in standard replacement during after-sales operations.

“This unique assembly will give Advanced Battery Storage the capacity to generate or absorb, instantaneously, the 70 MW power. This high power combined with high capacity of our solution will allow to react efficiently to all major grid solicitations,” explains Schottey.

As the pioneer and leader in the field of electric mobility in Europe, Groupe Renault is extending beyond its role as a vehicle manufacturer to become a player in the smart electric and energy ecosystems, with the help of its partners.

As part of the “Advanced Battery Storage” programme, Groupe Renault has joined up with several players including La Banque des Territoires, the Mitsui Group, Demeter (via le Fonds de Modernisation Ecologique des Transports), and The Mobility House.

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