While South Africa has seen the installation of more than 590 MW of rooftop solar power in the year-to-date, which adds to other renewable-energy installations, the question remains whether State-owned power utility Eskom will be able to timeously build the 14 000 km of transmission lines needed to expand the electricity network.  In response to questions raised during Steel and Engineering Industries Federation of Southern Africa’s Ministerial Conference hosted on September 17, Energy and Electricity Deputy Minister Samantha Graham-Maré said government was exploring options to alleviate pressure on the national grid.