South Africa's power grid is under pressure: the how and the why
South Africans are facing another round of power cuts despite promises from South Africa’s power utility, Eskom, that it would keep the lights on. Unexpected breakdowns and scheduled maintenance at various generation plants have been blamed for reduced generation capacity. These have compromised the stability of the national power grid. Since this affects everyone in the country, The Conversation Africa invited Thinus Booysen and Arnold Rix to explain what the power grid is and what keeps it stable – or not. What is the power grid? The grid is made up of three building blocks: gene...