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Phase angles

By: Terry Mackenzie-hoy     8th December 2017 I was in a courtroom the other day and the public prosecutor was asking questions . Unfortunately they were not engineering questions and I am an engineer. Thus, I did not understand the questions or why they were being asked. As a true engineer, I would say, "Ah, if you mean . . .", and I would... 

Distributor adds filters to existing product range

     1st December 2017 Engineering consumables and components distributor BMG’s range of products now encompasses EcoPart filter elements for stationary and mobile hydraulic systems from filtration specialists the Filtration Group (FG). These components, with defined filter performance and purity class, comply with... 

De Aar wind projects connected to the grid

By: Megan van Wyngaardt     28th November 2017 The 96.48 MW De Aar and the 138.96 MW De Aar 2 North wind projects have successfully reached early operations and have been connected to the Hydra transmission substation. The projects, located near De Aar, in the Northern Cape, were selected as preferred bidders under Round 3 of the Renewable... 

Ingeteam and Indar exhibit at WindEurope 2017

     27th November 2017 Zamudio, 27th November 2017. Ingeteam, an independent global supplier of electrical conversion equipment, will present its full range of wind energy drive train products at the WindEurope Conference & Exhibition 2017, taking place later this month in Amsterdam.  Exhibiting at booth #1D24,... 

Microgrids add new arrow to Africa’s electricity access quiver

By: Mia Breytenbach     24th November 2017 The launch of a R25-million solar energy, lithium-ion battery storage microgrid on Robben Island – the World Heritage Site in Table Bay, Cape Town, which, until recently, relied on diesel to generate electricity – not only showcases the versatile advantages of microgrid technology, but also... 

Microgrids add new arrow to Africa’s electricity access quiver

By: Mia Breytenbach     24th November 2017 The launch of a R25-million solar energy, lithium-ion battery storage microgrid on Robben Island – the World Heritage Site in Table Bay, Cape Town, which, until recently, relied on diesel to generate electricity – not only showcases the versatile advantages of microgrid technology, but also... 

DEHN protects wind turbines

     21st November 2017 Wind energy is a clean and renewable form of energy, which is also drought-resistant and almost emission-free. However, as South Africa’s renewable energy industry continues to explore wind energy as a potential resource, considerations around possible lightning strikes need to be factored in.... 

Global wind power continues to propel forward in 2017

By: Kim Cloete     16th November 2017 China is surging ahead in wind power, blowing away the US – the world’s second-largest wind power market – by a long margin, while African countries are making more inroads despite facing challenges, delegates attending the yearly Windaba conference and exhibition, in Cape Town, have heard.... 

Wind energy industry optimistic despite frustrations

By: Kim Cloete     15th November 2017 The South African Wind Energy Association (SAWEA) is confident that the tide will turn and that Eskom will soon, and finally, sign the outstanding power purchase agreements (PPAs) that have delayed the renewable energy industry for the past two years. SAWEA chairperson Mark Pickering outlined the... 

DEHN protects wind turbines

     15th November 2017 Wind energy is a clean and renewable form of energy, which is also drought-resistant and almost emission-free. However, as South Africa’s renewable energy industry continues to explore wind energy as a potential resource, considerations around possible lightning strikes need to be factored in.... 

Golden Hills North Wind Energy Centre, US

By: Sheila Barradas     10th November 2017 Sonoma Clean Power is replacing 283 wind turbines with twenty 2.3 MW turbines capable of generating even more power. 

Wind training facility increases course offering

By: Nadine James     27th October 2017 Accredited wind energy training facility the South African Renewable Energy Technology Centre (SARETEC) has become a Global Wind Organisation- (GWO-) certified training facility, and can now offer the GWO Basic Safety Training (BST) and Basic Technical Training (BTT) qualifications to wind... 

Wind energy sector still attractive to investors

By: Nadine James     27th October 2017 Shorter fabrication time, lower costs for parts, and increased repeatability and uniformity have led to impressive improvements in the wind energy sector, says multidisciplinary engineering consultancy WSP Africa power director Dinesh Buldoo. “For instance, there is significant focus on advanced... 

Conference aims to strengthen cross-border relations

By: Nadine James     27th October 2017 The prospects for wind power within and beyond the Renewable Energy Independent Power Producer Procurement Programme (REIPPPP) will be discussed at this year’s Windaba conference and exhibition, exploring opportunities outside South Africa’s borders, and consider ways of establishing cross-border... 

Proper lubrication directly correlates with safety

     27th October 2017 Lubrication can have a big impact on the safety of wind turbine operations by reducing operational safety risk at an operation during equipment servicing and maintenance, says oil company ExxonMobil Europe, Africa and Middle East (EAME) SHC brand adviser Rainer Lange. He explains that, inspecting... 

Rotor blade manufacturing facility officially opens in Tangier

     27th October 2017 Wind turbine components manufacturer Siemens Gamesa Renewable Energy (SGRE) officially inaugurated its new rotor blade factory in Tangier, Morocco, earlier this month, at an event chaired by Moroccan Minister of Industry, Investment, Trade and Digital Economy, Moulay Hafid El Alamy, and Siemens... 

US Energy Secretary defends its stance on nuclear and clean coal

By: Kim Cloete     26th October 2017 US Energy Secretary Rick Perry has defended the US government’s suggested pivot towards clean coal and nuclear energy, saying nuclear and coal producers had been discriminated against in the Obama era. “Basically, we’re saying the government is going to be fair to nuclear and coal . . . no... 

Exxaro sells Tronox shares for R6.5bn

By: Martin Creamer     11th October 2017 Diversified mining company Exxaro Resources has completed the sale of a portion of its shareholding in American mineral sands company Tronox for R6.5-billion. Exxaro, headed by CEO Mxolisi Mgojo, said on Wednesday that it had raised $474-million from the sale of 22 425 000 class A ordinary shares... 

On-The-Air (06/10/2017) 

By: Martin Creamer     6th October 2017 The Department of Mineral Resources has dealt the economy a heavy blow by forcing the exploration of diamond giant De Beers to grind to a halt; South Africa’s foremost black miner this week committed the industry to doing all it can to build a better South Africa; and The world’s oldest mine this... 

Opinion: South Africa’s coal mining sector could shrink by 46% 

     6th October 2017 In this opinion article, independent economic risk consultant Rob Jeffrey argues that the mining industry and coal industry need to fight for their very future otherwise all is lost. Few people realise that future economic, political and social prosperity are at currently stake. Decisions made in... 

Exxaro begins Tronox sell-off

By: Martin Creamer     3rd October 2017 Diversified mining company Exxaro Resources on Tuesday commenced the sell-off of a portion of the shares it holds in US mineral sands mining company Tronox. The JSE-listed Exxaro, headed by CEO Mxolisi Mgojo, is monetising its Tronox stake to focus on its core activities as well as provide... 

Delayed hearing into wind body’s Eskom complaint moves ahead

By: Terence Creamer     29th September 2017 The National Energy Regulator of South Africa (Nersa) hosted a closed hearing on Friday as part of its investigation of a complaint by the South African Wind Energy Association (SAWEA) against Eskom. SAWEA, which lodged the grievance in October 2016, alleges that the State-owned utility’s refusal... 

Stay woke

By: Terence Creamer     29th September 2017 For all the wrong reasons, Eskom’s profile has remained high despite the stabilisation in electricity supply over the past year and a bit. Most of the current news flow has to do with governance failings and allegations of State capture and corruption. Sadly, the debate about the future structure... 

Big opportunity for change amid renewables-led disruption

By: Schalk Burger     22nd September 2017 As questions remain over what the future holds for South Africa’s power utility Eskom, there is a window of opportunity for utilities in developing countries to build on international power reform experience and design future power markets and operating systems to respond to new opportunities... 

Uncertain power price path heightening grid-defection risk

By: Terence Creamer     15th September 2017 Energy Intensive Users Group of Southern Africa’s (EIUG’s) Piet Van Staden has expressed serious anxiety about the near-term sustainability of South Africa’s electricity industry in light of the prospect of yet more tariffs hikes, which would further damage industrial demand and, in turn, trigger... 

Frustration as Nersa postpones closed hearing into wind body’s Eskom complaint

By: Terence Creamer     14th September 2017 The South African Wind Energy Association (SAWEA) has expressed frustration over a decision by the National Energy Regulator of South Africa (Nersa) to postpone a hearing into its 11-month-old complaint into the refusal of Eskom to sign agreements to buy electricity from independent power... 

Energy sector has opportunity to change amid ‘disruptive moment’ caused by renewables

By: Schalk Burger     12th September 2017 As questions remain over what the future holds for South Africa’s power utility Eskom, there is a window of opportunity for utilities in developing countries to build on international power reform experience and design future power markets and operating systems to respond to new opportunities... 

Atlantis Special Economic Zone designation application published for comment

By: African News Agency      11th September 2017 The City of Cape Town, the Western Cape government, and GreenCape on Sunday welcomed “with great excitement” the notice by Trade and Industry Minister Rob Davies to designate Atlantis, north of Cape Town, a Special Economic Zone (SEZ). Davies has published the intention to designate the Atlantis... 

Caution creeps in as renewables industry digests implications of 77c/kWh tariff cap

By: Terence Creamer     4th September 2017 South Africa’s solar photovoltaic (PV) and wind industry bodies have added a degree of caution to their initial positive reactions to an announcement by Energy Minister Mmamoloko Kubayi regarding the signing of power purchase agreements (PPAs) for 26 renewable-energy projects that have been on... 

Kubayi sets 77c/kWh price cap and October deadline for signing of 26 renewables projects

By: Terence Creamer     1st September 2017 Energy Minister Mmamoloko Kubayi opened the window on Friday for the signing of contracts for 26 renewable-energy independent power producer (IPP) projects that have been on hold since 2015 when Eskom indicated it was no longer willing to enter into further power purchase agreements (PPAs), owing... 

Renewable Energy Independent Power Producer Procurement Programme – fourth window, South Africa

By: Sheila Barradas     1st September 2017 An update on the Renewable Energy Independent Power Producer Procurement Programme – fourth window. 

Renewable Energy Independent Power Producer Procurement Programme – third window, South Africa

By: Sheila Barradas     1st September 2017 An update on the Renewable Energy Independent Power Producer Procurement Programme – third window. 

Uncertain power price path heightening grid-defection risk, EIUG warns

By: Terence Creamer     31st August 2017 Energy Intensive Users Group of Southern Africa’s (EIUG’s) Piet Van Staden has expressed serious anxiety about the near-term sustainability of South Africa’s electricity industry in light of the prospect of yet more tariffs hikes, which would further damage industrial demand and, in turn, trigger... 

Electrical Power Generation 101

By: Terry Mackenzie-hoy     18th August 2017 A few things we should possibly all know if we wish to talk about energy. The national grid is not a energy storage dam. What goes into the grid comes out of the grid very shortly, almost instantaneously. Thus, the amount of power generated matches the amount of power used, apart of losses due to... 

Wind body aims to use mentoring scheme to support gender transformation

By: Mia Breytenbach     18th August 2017 The South African Wind Energy Association (Sawea) has launched a programme to connect leading women in the energy sector with senior students at South African universities and young professionals currently entering the energy sector. The WindAc Africa Mentoring Programme seeks to promote the... 

Newly designated Atlantis SEZ aims to be green-technology hub

By: Natasha Odendaal     18th August 2017 Trade and Industry Minister Dr Rob Davies is preparing to issue a gazette outlining an intention to designate the proposed Atlantis Special Economic Zone (SEZ). The SEZ Advisory Board-recommended action followed an application for designation by the Western Cape Department for Economic... 

As batteries make power play, South Africa mulls market participation

By: Irma Venter     4th August 2017 The world changed more than could be imagined in the 1990s. Not only was it the advent of all things Internet and digital connectivity, it also saw the birth of the rechargeable lithium battery, required to charge humankind’s new tools, such as cellphones and laptop computers. Today, the chase is... 

As batteries make power play, South Africa mulls market participation

By: Irma Venter     4th August 2017 The world changed more than could be imagined in the 1990s. Not only was it the advent of all things Internet and digital connectivity, it also saw the birth of the rechargeable lithium battery, required to charge humankind’s new tools, such as cellphones and laptop computers. Today the chase is... 

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