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 […]

Substation upgrading and refurbishment project

by Rui Marques, Roshqott Mogale City local municipality (MCLM) has awarded a R100-million project comprising the complete rehabilitation of 25 existing 33 kV and the construction of 13 new 33 kV feeders as well as grid reinforcement at the Condale main intake substation in Mogale City to a local company. Download the PDF

Energy efficiency tax incentives – some practical issues and concerns

  Regulation 12L was promulgated in December 2013 and is currently “open for business”. Let’s look at the facts and what this could mean to your company. The announcement of 12L caused quite a stir in the industry with Energy Services Companies (ESCOs) and end-users alike, who have been awaiting the promulgation of regulation 12L […]

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 […]

Electricity from wastewater treatment

  Recent developments have shown that it is possible to generate sufficient energy from organic material contained in a variety of wastewater streams to provide a significant portion of the energy required to run the plant. It is however, an energy intensive operation. Download the PDF document

Smart grid: Global impact report overview

by Mike Rycroft, features editor Experts have discussed theoretical smart grid models for over a decade, but until now there has been no way to  benchmark results globally. Ventyx and ABB selected VaasaETT to develop a smart grid global impact report, a global report into smart grids and their outcomes. This article summarises the report. […]

How smart can the grid really be?

by Dale Pudney, HVT Power Systems and Luo Wei, NR Electric With the improvement of electronic communications and computing technology, it becomes possible to integrate and improve the capabilities of the protection and automation systems on our power grids. Download the PDF document

Solar-aided power generation compared to stand-alone CSP

  A recent academic study compared solar aided power generation (SAPG) solutions with that of a similar-sized stand-alone concentrating solar power (CSP) plant in the South African context. The objective was to determine the real advantages of these technologies. Download the PDF document

Back to the beginning through smart grid

by EK Onwunta and MTE Kahn, Cape Peninsula University of Technology In the beginning generation was local  and supplied local demand. That changed because of technological advancements with improved efficiency and economies of scale. Modern society is highly dependent on the availability of cheap and reliable electricity. A revival of interest in distributed generation implies […]