South Africa's electricity supply is expected to remain tight in summer as Eskom – which will soon submit its next tariff application to the energy regulator - moves to do more maintenance on its plants.

Companies within the portfolio of the Department of Public Enterprises will invest R105bn in infrastructure this financial year, according to Public Enterprise Minister Malusi Gigaba.

Transnet will invest R20.5bn over the next five years to improve capacity and maintain Durban and Richard's Bay harbours.

Public Enterprises Minister Malusi Gigaba announced the panel of experts to investigate the substantial increases in costs and schedule delays of Transnet’s new multiproduct pipeline.