Monitoring EV charging and costs with Home Assistant

After eight years with my Volvo V60, I’ve made the switch to electric motoring with a new Škoda Enyaq 85. The Volvo had some useful connected services, including checking whether I’d locked the doors and remotely starting the car on cold winter mornings. But an electric vehicle introduces a whole new set of data to explore, particularly around battery charge, energy consumption and electricity costs. I wanted to bring that data into Home Assistant. Getting started My Enyaq arrived on 5 November, although the Octopus Charge home charger, supplied as part of the lease, had been installed during the summer. Unfortunately, after the car was delivered, I found my charger wasn’t playing ball. A visit to a nearby InstaVolt rapid charger confirmed that the car could charge, and Octopus Energy support subsequently resolved the problem by remotely resetting the home charger. After the charger was remotely reset, I was able to confirm that it worked with a short boost charge, and then I left it…

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