Energize

FEATURED ARTICLE
- Standard Bank withdraws funding of new coal IPP projects in SA
  by Chris Yelland and Roger Lilley, EE Publishers
  . Further to information received from reliable sources last year, and published by EE Publishers in an article in September 2018, Standard Bank has now explicitly confirmed to EE Publishers in writing that “as things stand presently, Standard Bank is not involved in the financing of either the Thabametsi or Khanyisa [new coal IPP] projects”. […]
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- Levelling the playing field: Placing Eskom in a competitive environment
  by Sicelo Xulu, SAIEE
  The dividing of Eskom into three separate entities: Generation, Transmission and Distribution may be a good thing and might help to make the utility more efficient, focused and transparent. However, the electricity crisis does not start or end with Eskom. The entire electricity supply industry needs a major overhaul. If South Africa’s electricity crisis is […]
VIDEO
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- What’s the plan now, Eskom?
  by Roger Lilley, EE Publishers
  Eskom is once again asking South Africans to reduce demand, to use electricity sparingly. The power utility says that about 554 MW was saved during the recent Earth Hour event. But how was that power saved? Did the utility burn less coal? Did the power utility save any money? The power utility really seems to […]
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COMPANY & PRODUCT NEWS: more >>

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- Beware these engine killers
  by Steven Lara-Lee Lumley, WearCheck
  When reviewing oil analysis data, a forensic approach is required which incorporates a combination of science, experience and gut instinct. There is an explanation for every oil analysis result obtained, but that explanation is not always apparent and requires the abilities of a diagnostician. In this article, we go on a journey through the eyes […]
- Swedish submarine technology turns industrial waste gas to electricity
  Information from Ripasso Energy
  Swedish cleantech company Ripasso Energy has developed a unique solution to harness energy from flare and industrial residual gas combustion. A solution based on the Stirling technology, a 200-year-old invention with decades of operation service in Swedish submarines, that can cut costs and lower carbon dioxide emissions for the South African mining and processing industry. […]
- Developments in co-generation in sugar mills
  by Mike Rycroft, EE Publishers
  Cogeneration is normally defined as the generation of electricity and heat from the same energy source. The term is often applied to systems that use waste material from an industrial process to generate steam, which is used to generate electricity and process heat for the industrial process itself. Traditionally biomass based cogeneration plant has worked […]
TRANSMISSION & DISTRIBUTION: more>>
- What are microgrids?
  Information from Eaton
  Microgrids are stand-alone power generating, distribution, and storage systems which can be operated independently or connected to the primary utility grid. By locally optimising various generation sources, such as solar PV, gensets, the grid and energy storage, a microgrid can create a range of financial and environmental value streams for an organisation. This article describes […]
- Powering the steel industry
  Information from Siemens
  Both metallurgical and other industrial plant processes, as well as large drive procedures depend on reliable, highly specialised transformers. In steel plants, for example, it is crucial to supply high currents for AC and DC electric as well as ladle furnaces. Electrolysis processes operate with heavy-duty rectifiers which are fed by rectifier transformers. Large drive […]
- Commissioning and testing of differential protection for phase-shifting transformers
  by T Hensler and F Fink, Omicron Electronics; and H Mitter, Vorarlberger Energienetze
  Due to the increasing demand to control power flow within our networks, more phase-shifting transformers (quadrature boosters) are being installed. The most important protection principle for transformers is differential protection. An additional phase-shift has to be considered by the differential protection to fulfill the requirements for selectivity. With two-phase faults outside of the transformer, an […]
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- University and medical school receive modern clean energy supply
  The basic supply of electricity and gas to the economy is one of the pillars of the Energy Industry Act. However, the safe and reliable supply of energy is even more essential in the medical sector. Both electricity and heat can save lives here. In order to ensure this security of supply in the future, […]
- CHP systems offer lower cost and improved energy security for health care facilities
  Many south African hospitals are converting from coal fired to gas fired boilers because of cost savings and lower environmental problems, as well as fuel transport and storage issues. Combined heat and power (CHP) systems, based on gas, can provide the hospitals heat needs as well as reliable electricity at a competitive cost. Traditionally CHP […]
- Parking and charging management for electro-mobility
  by Thorsten Temme, Phoenix Contact
  The challenge behind Germany’s largest electric filling station was to integrate 50 charging points into a parking garage with specific structural conditions and to supply it with PV power. Increasingly more companies in Germany want to electrify their vehicle fleets. Bechtle, the country’s largest IT systems house, has incorporated the issue into its sustainability strategy. […]
SUSTAINABLE ENERGY: more >>
- The importance of a high-resolution South African wind atlas
  The South African Wind Atlas (WASA) project The WASA project constitutes one of the most critical elements of South Africa’s renewable energy efforts due to its contribution to the repository of knowledge about the scale and location of our wind resources. In his keynote address at the tenth Wind Atlas for South Africa (WASA) seminar […]
- Drone-based thermographic imaging offers fast and accurate solar farm inspection
  by Mike Rycroft, EE Publishers
  Many large ground based PV plants are now ageing, and are subject to increasing faults and failures, as well as deterioration due to aging and inspection and maintenance needs are increasing . Detection of such failures is difficult, taking the large number of panels into account. Aerial thermography and photography using unmanned vehicles, combined with […]
- Determining how quickly solar modules age
  by Sarah Stankorb
  When engineers consider the development and procurement of solar energy plants, they typically ask questions: Which solar photovoltaic (PV) modules will perform best in our climate? Which are most likely to continue producing energy well into the future? What certifications, specifications, or performance tests should be requested from module manufacturers? On what science do manufacturers […]

FEATURED ARTICLE

Standard Bank withdraws funding of new coal IPP projects in SA

LEAD EDITORIAL: more >>

Levelling the playing field: Placing Eskom in a competitive environment

VIDEO

FRONT COVER STORY: more >>

What’s the plan now, Eskom?

INDUSTRY NEWS: more >>

COMPANY & PRODUCT NEWS: more >>

VIEWS & OPINION: more >>

GENERATION: more >>

Beware these engine killers

Swedish submarine technology turns industrial waste gas to electricity

Developments in co-generation in sugar mills

TRANSMISSION & DISTRIBUTION: more>>

What are microgrids?

Powering the steel industry

Commissioning and testing of differential protection for phase-shifting transformers

APPLICATION: more >>

University and medical school receive modern clean energy supply

CHP systems offer lower cost and improved energy security for health care facilities

Parking and charging management for electro-mobility

SUSTAINABLE ENERGY: more >>

The importance of a high-resolution South African wind atlas

Drone-based thermographic imaging offers fast and accurate solar farm inspection

Determining how quickly solar modules age

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