Tesla Powerwalls helped the DJK Weingarts Sports Club flip its electricity bill. The popular sports club went from paying €600 ($638) per month for power to generating up to €20 (~$21) every month. Thomas Theinert is the Head of Finance at DJK Weingarts. After moving to Upper Franconia in Kunreuth, Germany, Theinert retired and started … Continue reading Tesla Powerwall flips the bill for sports club from €600 in payments to €20 in profit