Diversified miner South32, which recently sold its SA coal assets to black-owned Seriti Resources, says the National Energy Regulator of SA (Nersa) has approved a new 10-year agreement for electricity supply to its Hillside Aluminium smelter in KwaZulu-Natal.

The previous agreement, which was often loss-making for Eskom, was linked to metal prices, but the new power supply deal is rand-based and linked to producer inflation...