Panel discussion: The pros and cons of using SF6 gas in switchgear

Sulphur hexaflouride (SF6) gas has been used in MV and HV switchgear for many years. It is said to be highly toxic and a potent greenhouse gas. It is used because of its excellent electrical insulation properties, but recently some switchgear companies have suggested other solutions. In our virtual panel discussion we asked some specialists […]

Submission to NERSA: Eskom’s application for a “selective reopener” of MYPD 3

  This submission is in response to Eskom’s application on 30 April 2015 to NERSA for a “selective reopener” of NERSA’s third multi-year price determination (MYPD 3), for the period 1 April 2015 to 30 March 2018. Click here for the slides presented at the NERSA public hearings on 23 June 2015 NERSA’s task as Regulator is […]

Energize Inbox, June 2015

Our winning letter: Sir re: What is the cost of new build? With reference to the article by Mike Rycroft on page 9 of the April edition of Energize, I agree that the capital cost of some of the supposedly cheap renewable is high against this measure. I like the measure “capital per deliverable MWh […]

The Jacob Marley column: Apologise at your peril

  Sir What used to be called moving pictures became known as the movies, although posh folk from certain parts of the world refer to them as “films”. These days of course, images, moving or not, are rarely stored on film, but on disks or flash-memory and increasingly in “the cloud”. So I suppose one […]

Unanswered questions on Eskom’s price application to NERSA

  This article questions Eskom’s recent application to NERSA for an additional price increase this year, and concludes that if the Regulator is to grant any price increase at all, it should be no more than 6,15% rather than the 12,61% claimed by Eskom. On 30 April 2015, South Africa’s national electricity utility, Eskom, submitted […]

World Energy Trilemma: Priority actions on climate change and how to balance the trilemma

  This 2015 World Energy Trilemma report is a key departure for the World Energy Council’s community. In its previous research the Council engaged business leaders, policymakers and investors in analysing what is needed for energy investment to flow in support of achieving the three goals – energy security, energy equity and environmental sustainability – of the energy […]