Posts tagged as efficiency

Power usage effectiveness in data centre management

Power usage effectiveness (PUE) is growing in popularity as an efficiency metric by the data centre market. While PUE is a tool to deploy an approach, or develop an implementation within a data centre, the measurement of PUE and its accuracy could have an increasingly negative impact. Where the energy manager of a data centre […]

Starting the journey towards energy-efficiency

  According to the International Energy Agency, many companies are using up to 100% more energy than they would if they were best practice, energy efficient businesses. After the power crisis of 2007 and 2008, and the steep rises in electricity tariffs that followed, South African industrial groups moved quickly to reduce their energy consumption. […]

IEA report: Energy Efficiency Market Report 2016

  The International Energy Agency (IEA) has published a report on global energy intensity which shows that although energy intensity fell in 2015, the rate of progress needs to accelerate much more if sustainability targets are to be achieved. This is the executive summary of the report The full report is available here Global energy […]

Technical study to improve water heater efficiency in South Africa

  The residential sector accounts for approximately 17% of electricity use in South Africa, but as much as 35% during peak periods. Within households the electric water heater, commonly referred to as a geyser, is responsible for between 40 to 50% of total consumption and contributes substantially to morning and evening peaks. This study seeks […]

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