Renewable energy will account for just 20% of South Africa's power mix by the end of this decade, according to Rystad Energy analysis, highlighting the uphill battle the nation faces in its pursuit of decarbonization. South Africa had targeted lifting the share of renewable energy in its power generation mix from 11% currently to 41% by 2030 by increasing onshore wind and solar capacity, both of which have shown significant growth in recent years. However, rising demand and new additions to its aging coal power infrastructure mean that hitting…