The Renault Group does not lose sight of the goal of electric mobility and of energy transition with the project Advanced Battery Storagea solution of stationary energy storage which uses exclusively electric car batteries.
This is a long-term project and will be able to store at least 70 MWh and is a candidate to become the device of this type more important that was ever made in Europe. The development of storage technologies aims to set aside the production of energy produced by the Sun or from wind in excess to re-feed it into the grid in case of high demand.
Energy storage of electric car batteries
L’Advanced Battery Storage it is the most important stationary electricity storage device ever designed in Europe, starting from the batteries of electric vehicles.
They are collected in container (30 to 60 batteries per container) which are assembled and connected to the eletricity grid. Each container has a capacity of 1 MWh (megawatt hour), able to cover about one quarter of consumption of an average family unit.
The device uses second-life batteries, with a complement of new batteries, which thus begin their “career” in a soft way, before being integrated into electric vehicles such as Renault Zoe.
Second life electric car battery
The energy storage capacity of these storage systems will then be progressively expanded over time, up to total 2,000 electric car batteries recycled second life. At that point, the device will have reached – or more likely exceeded – the threshold of the 70 MWhequivalent to a city’s daily consumption of 5,000 families.
The goal of this device is to manage the differences between electricity consumption and production at any given time, in order to increase the share of renewables in the energy mix.
It is about maintaining the balance between supply and demand in the electricity grid, integrating different energy sources whose production capacities are not constant. The slightest difference between consumption and production involves perturbations that can compromise the stability of the frequency of household electricity (50 Hz).
This stationary storage solution serves to compensate for these rejects: the device releases the accumulated reserves at the precise moment in which an imbalance in the network is created. By contributing to the equilibrium of the network, stationary storage increases the affordability of low carbon energies.
Stationary storage is based on the use of batteries for both new and second-life electric vehicles, collected in containers. The assembly will allow the “Advanced Battery Storage” system to release or absorb, almost instantaneously, a power of 70 MW.
Renault Advanced Battery Storage
With the project “Advanced Battery Storage”. There smart chargingor smart chargingmodulates the charging of the vehicle according to the user’s needs and the supply of electricity available on the network. Charging is at its maximum when the supply of electricity is more abundant than needsparticularly in the moments of production peaks of renewable energies.
Charging stops when, in the grid, the demand for electricity exceeds supply. The electricity grid thus optimizes the supply of local renewable energy.
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