Second Life Battery Storage technology at Clepington Road

04 April, 2023 | Dundee Electric



Dundee City Council is working with Connected Energy to include second life battery storage technology at our new Clepington Road hub, helping to capture the energy generated by the hub’s solar array and ease pressure on the grid. 


Having upgraded our fourth charging hub with a state-of-the-art water filtration system, we are now advancing our collaboration with Connected Energy, by adding second life battery storage on both the public and private fleet sides of the Clepington Road charging hub.  

Connected Energy is an award-winning supplier of second life battery energy storage systems (BESS). One of the company’s first commercial systems was installed at Dundee’s Princess Street depot to store electricity from the solar PV on site which is used to support the electricity demands caused by EV charging.


Offering power flexibility and new systems


Two new second life battery storage systems will help Dundee reach its 2023 goals by offering a greener energy alternative while powering its circular economy. Implementing a battery energy storage system allows Dundee Council to store electricity through its own supply or from their solar PW array, supporting Dundee city’s own decarbonisation agenda.


The new E-STOR systems supplied by Connected Energy offer easier access to upgrading EV-Charging hubs grid capacity through its modular and scalable design. As the demand for electric vehicles is continuously growing, its wide range of configurations allow Dundee Council to add more charges to its grid capacity, without overloading the grid.


Reusable EV-batteries are a central part of the E-STOR system by allowing the battery to charge and discharge depending on the predetermined criteria; charging through solar canopies when the sun is shining, and discharging when the grid energy is most expensive or when charging hubs are high in demand.




How will reused EV batteries support Dundee’s 2023 and 2030 goals?


The battery units house batteries from old 24 Renault Kangoo EV batteries that can no longer reach full charge, however they are still able to use 75-80% of their original capacity. By giving EV batteries a second life, Dundee is;

  • Helping decarbonise the grid by reducing embedded CO2 in EVs through storing and using renewable energy
  • Lowering the energy costs during peak shaving and periods of high demand
  • Increasing the supply of batteries available for stationary energy storage and thereby reducing the costs by 30% to 70%
  • Accelerating the uptake of EVs as Battery electric vehicles are widely regarded as crucial to decarbonising the transport sector and achieving the Paris Agreement Goals


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