The City of Johannesburg (CoJ) signed a power purchase agreement (PPA) with the privately-owned Kelvin Power Station to increase electricity supply for the city by 100 MW. CoJ executive mayor Mpho Moerane signed the PPA on October 8 alongside Gauteng Premier David Makhura and CoJ Environment and Infrastructure Services Department executive council member Tania Oldjohn at the City Power headquarters, in Booysens.