Renault electric vehicles are providing second-life batteries for energy storage in Europe.

Groupe Renault has installed two quick charging stations in Belgium and Germany with partner, UK-based Connected Energy. It’s the starting point of installing the E-STOR energy storage technology on highways in Europe.

E-STOR was developed by Connected Energy to offer all the benefits of stored energy, say the companies.

Renault is a top seller of battery electric vehicles in Europe, and will have access to a plentiful supply of used lithium-ion battery packs. Where will they get them? They’ll comes from the Renault Zoe, Kangoo Z.E., Twizy, Fluence Z.E., and SM3 Z.E.

Connected Energy’s storage system recharges the Renault EV batteries at low power, and can release the stored energy at high power. They’ll be tied to a network of fast-charging stations throughout Europe.

The two companies are selling the cost benefits and multiple applications of the technology. It is predicted to cut high electricity costs involved with tapping into the power grid. It can reach customers who own their own homes, manage multiple-unit residences, and operate industrial facilities.

“Groupe Renault is supporting the development of charging infrastructures to simplify the daily life of electric vehicle drivers. Using our second-life batteries in fast EV charger contributes to progress by providing charging station operators with economical solutions. Moreover, it is a perfect example of circular economy implementation,” said Nicolas Schottey, head of the electric vehicle batteries and charging infrastructures program.

EV batteries are performing adequately for eight-to-10 years of service in the electric cars. Stationary applications extend the shelf life significantly into the circular economy before needing to be recycled.

Companies can find gains in load management. An energy optimization platform in E-STOR can provide stored energy to sidestep peak usage periods, avoiding steep fees that can get slapped on the end user.

Another opportunity for property owners is using E-STOR on saving clean energy generated through there solar panels or wind turbines. It can be a revenue stream for selling back the clean power to grid operators.

Talks are underway about bringing E-STOR services and second-life Renault batteries to other markets.

“We are now talking to several parties about projects in the UK and Europe and look forward to wide scale roll out in coming months,” said Matthew Lumsden, managing director at Connected Energy.

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Like a few other EV manufacturers, Renault has been building an alternative revenue stream through its Li-ion batteries.

The French automaker is partnering with the UK’s Powervault to give a second life to Renault EV batteries for solar energy storage.

Fifty trial units are being placed in UK homes powered by solar panels with second-life Renault batteries.

Powervault is promoting the idea that if the trial run works, its smart battery system costs could be reduced by 30 percent, taking its technology to mass-market rollout in the UK.