Designing a high pressure feed water heater

  In a power generation process, the heat generated in the boiler can be used for heating purposes in other parts of the power plant in order to improve overall efficiency. A wide range of heat exchangers are used in power stations, some of which are feed water heaters, which are used to raise the […]

SA nuclear industry sharply criticizes the IRP 2010-2030 Update Report 2013

  A comprehensive review commissioned by the Nuclear Industry Association of South Africa (NIASA) is sharply critical of the draft Update Report 2013 of the Integrated Resource Plan for Electricity (IRP) 2010-2030 recently issued for comment by the South African Department of Energy (DoE).   The draft IRP 2010-2030  Update Report 2013 has not yet […]

Energy recovery from high pressure cold water in mines

  The mining industry in South Africa, being responsible for 18% of electricity demand, is seriously looking at alternative, more energy effective processes, without reducing output. Deep level mines require large volumes of cold water at the underground production levels. The energy consumed by these pumping installations constitutes approximately 14% of the mine’s overall demand. […]

Developments in electrical energy storage systems

  Storage is a fast growing sector of the electrical power generation and distribution industry. The advantages of distributed storage have been realised both in smart grid developments and the renewable energy sector. The industry has responded to this challenge, and what was once a component of other products is now a purpose designed system […]

Air quality regulations – playing the numbers game with power stations

Recent media reports about Eskom’s plans to reduce its generating capacity to comply with the requirements of the minimum emission standards (MES) of the air quality act have caused concern about an already strained generation fleet. This article looks at some of the issues raised about the efficacy of compliance with new standards. Download the […]

What brought about the Kriel crisis?

  That old familiar sinking feeling from 2008 returned with a vengeance with the threat of the shutting down of Kriel power station after 1 January surfaced. Just a few days earlier Eskom had to call on major industries to curtail their electricity consumption to keep the country’s lights on – and this is the […]

Small modular reactors: The ideal nuclear solution

  The cancellation of the pebble bed modular reactor project may have seemed to many as the end of the small modular reactor (SMR) concept. There are however, many projects in development worldwide, some of which are reaching fruition and which could provide an alternative to large plants, as they offer the promise of reduced […]

Nuclear power: Glass half full or half empty?

  Half empty in the West, and half full in a handful of centrally planned economies, nuclear power’s prospects appear to be doomed in markets where private investors tend to make the decisions and assume the risks; while in other parts of the world, where central governments make the calls and the public’s approval is […]

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