JSE-listed Impala Platinum (Implats) has signed a five-year power purchase agreement (PPA) with Discovery Green for the supply of wheeled renewable electricity to its refinery operations in Springs, Ekurhuleni, from the end of 2026. The mining company said 90% of the operation’s electricity supply, or more than 130 000 MWh, would be sourced under the PPA, and would enable Impala Refineries to slash it Scope 2 greenhouse gas emissions by more than 852 000 t over the PPA period.