XNRGI to scale up to large energy storage project? https://i.imgur.com/IZpYTMC.jpg https://electrek.co/?s=i3+power+wall+energy+storage https://electrek.files.wordpress.com/2018/05/vattenfall-group-bmw-i3-batteries.jpeg?quality=82&w=2500#038;strip=all&w=1200 The use of electric car battery packs to create large energy storage projects is becoming increasingly popular. Now, a new one made of BMW i3 battery packs is connecting to the UK National Grid and has become one of the largest to date.