Industrial gases and welding products company Afrox has signed a ten-year power purchase agreement (PPA) with renewable energy trading company Discovery Green to supply renewable energy to Afrox’s Kuilsriver air separation unit (ASU), in Cape Town. Discovery Green will provide the ASU with about 28 GWh/y of renewable electricity under the agreement, starting in April 2028, from a diversified portfolio of wind and solar assets across the Western Cape, Mpumalanga and the Free State.