The Shoprite Group, is joining a growing number of SA companies who are investing in solar and renewable power as the Eskom grid becomes increasingly unreliable and electricityprices rocket.

SA’s biggest retailer said it aims to power 25% of its operations with renewable energy by 2025, amid environmental concerns. Shoprite said it has added 22 new solar photovoltaic sites between February and September, more than doubling its solar capacity this year. Electricity costs it about R3bn a year, while it sells R168bn in goods...