Battery storage Case Studies

Poole - Tesla Powerwall 2 (13.5 kWh) (Aug '19)

Posted by Spirit Energy on 03 Dec 2019

Sanders Powerwall

In August 2019, Spirit installed one Tesla Powerwall for Mr S in Poole. It slots neatly inside the garage, especially when the matching Tesla is parked alongside.

The battery will store energy from a 4.2kWp PV system we installed in 2017. We estimate this will take the proportion of solar energy used on site from 34% to 83%, and would mean that 69% of the client’s annual electricity demand is supplied by solar.

Mr S chose to have the emergency backup feature with his Powerwall, which means he can keep the lights on during a power cut.

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Battery Tesla Powerwall 2 (13.5 kWh)
Charger Tesla (3.68kW)
Key function Solar utilisation
Other functionality Emergency backup