Posts tagged as power station

Eskom’s big blunder: How poor decisions and corruption caused load-shedding

South Africa is in the midst of an electricity crisis, which is curiously the result of plans by Eskom to prevent this exact scenario from happening. Energy analyst and EE Publishers MD Chris Yelland explained that Eskom was faced with two choices a few years ago: Spend money on maintenance of old power plants to […]

Coal-mill optimisation in coal-fired power stations aids flexibility

Many of the existing pulverised coal-fired (PCF) power stations are operated at a fixed steady load (i.e. baseload operation). There is however a growing requirement for load following or flexible operation, which requires flexibility in most of the components of the power station. Flexibility and efficiency can be improved by close control of the coal […]

Thabametsi climate impact assessment reveals staggering greenhouse gas emissions

  The Department of Environmental Affairs (DEA) could be giving the go-ahead for what will be one of the most greenhouse gas (GHG) emission intensive coal-fired power stations, not only in South Africa, but in the world. Its GHG emissions are likely to be 60% higher than Eskom’s new Medupi and Kusile coal plants. This […]

Power station’s gas cleaning systems upgraded

  Eskom has awarded ACTOM John Thompson a multi-million rand contract to retrofit the gas-cleaning systems for three generation units at the utility’s Grootvlei power station near Balfour in Mpumalanga. The contract, due for completion in April 2016, involves replacing the electrostatic precipitators (ESPs) on Units 2, 3 and 4 with custom-designed pulse jet fabric […]

In conversation with Eskom’s Prince Moyo

by Roger Lilley, editor Energize spoke to Prince Moyo, the general manager for power delivery engineering at Eskom about the utility’s ageing generation fleet, about his opinion regarding the feasibility, and pros and cons, of power station refurbishment versus new build. As we enter the second quarter of 2014, the fulfillment of the promise of […]