The effect of increased photovoltaic energy generation on electricity price and capacity in South Africa. - Michal Chudy; Jonathan Mwaura; David Walwyn; Jorg Lalk (AFRICON, 2015)

A review of the policy documents behind South Africa's Renewable Energy Independent Power Producer Procurement Programme: How its hits and misses impact society. - Lynette Herbst; Jorg Lalk (ISTAS, 2015)

Energy planning in sub-Saharan African telecom networks: Decision support using a soft systems methodology. - Mbiika Ceriano; Jörg Lalk; George Alex Thopil (Syst. Eng., 2024)