Posts tagged as Wind

Using bird-resistant insulators on high-voltage transmission lines

  Ararat Wind Farm, Australia’s third largest wind farm, uses enhanced silicone polymer (ESP) insulators on the 132 kV powerline to reduce weight, improve speed of installation and increase span lengths. These insulators are also bird resistant which is critical because the powerline is located in a high bird strike zone. The Ararat wind farm, […]

Highly critical written responses received by DoE to its Draft IRP 2016

  The Department of Energy (DoE) released a draft update (Draft IRP 2016) to its earlier Integrated Resource Plan for Electricity (IRP 2010-2030) in November 2016, and invited comments and input through a public participation process. The deadline for this feedback was 31 March 2017. This review provides a summary of five major submissions made, […]

Next generation wind and solar power: from cost to value

  Wind and solar photovoltaics (PV) are currently the fastest-growing sources of electricity globally. In 2015, their additional annual generation met almost all incremental demand for electricity. This is the executive summary of a new report from the International Energy Agency Click here to download the full report Variable renewable energy (VRE) costs, especially for […]

Getting wind and sun onto the grid

  Wind and solar PV capacity has grown very rapidly in many countries, thanks to supportive policy, and dramatic falls in technology cost. By the end of 2015, these technologies – collectively referred to as variable renewable energy (VRE) – had reached double-digit shares of annual electricity generation in ten countries. This is the executive […]

Room for renewables and nuclear in energy mix

  Renewable energy falls short of being a base load power source in South Africa, suggests a researcher. Ben Heard, director of Bright New World organisation and PhD Candidate at the University of Adelaide, has conducted research to dispute the claims by the Council of Scientific and Industrial Research (CSIR) that renewables have the capacity […]

Does the need for flexibility spell the end for “baseloadism”?

  Electricity demand in South Africa has changed dramatically over the last eight years. New demand profiles call for more flexibility in electricity generation, while environmental concerns and new technologies make energy efficiency and renewable energy sources more popular. Speaking at a meeting of the Society for Automation, Instrumentation, Measurement and Control (SAIMC) recently, Chris […]

Rethinking energy, 2017

  Renewable energy is a fundamental and growing part of the world’s ongoing energy transformation. Governments all over the world are joining that consensus. The use of renewables is their prime choice for enhancing access to affordable, reliable and cleaner sources of modern energy services. This is the executive summary of IRENA’s new report “REthinking […]

Eskom bemoans the cost of renewable energy

  Eskom says that while it acknowledges the positive role played by the renewable energy programme in the reduction of load shedding to the benefit to the South African economy, the cost of this programme amounted to R9-billion in 2016. Click here to read the CSIR’s response to the claims made by Eskom Click here to […]

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