Energy Efficiency

Are we overestimating energy-efficiency’s effect on reducing carbon emissions?

Energy-efficiency technologies and strategies are generally considered to be a win-win situation. You reduce your electricity bill (and your carbon footprint) and the technologies pay for themselves over a period of time. Besides the initial required capital – a company, homeowner or organisation will be able to see the effects of their savings almost instantly.

Tuesday, 22 March 2011 13:51

A green bill of health

By Dr LJ Grobler and Gustav Radloff, Energy Cybernetics

So, your building sports the latest and greatest “green gadgets”. Your air-conditioning system is in the top echelon of energy-efficiency ratings, most of your lamps have been replaced with CFLs, and so the list goes on. You have done your bit.

During the past four years, the South African solar water heater market has experienced phenomenal growth and the market is currently preparing for a second high-growth phase that will be larger than the previous growth surge, says global consultancy Frost & Sullivan (F&S).
An increasing number of corporate real estate executives are willing to pay more to lease green office space. These real estate executives also say they consider sustainability issues when making decisions about locations, says research from CoreNet Global (an organisation for real estate professionals) and Lang LaSalle (a commercial real estate company), which was released in February 2011.
It has been demonstrated, time and time again, that energy-efficiency saves industrial firms money, increases the reliability of operations and has a positive effect on productivity and competitiveness.
Friday, 28 January 2011 13:02

Modern power station engineering solutions

Aurecon provides engineering, management and specialist technical services to government and private sector clients globally. Formed through the merger of three leading engineering consultancies – Africon, Connell Wagner and Ninham Shand – the group has provided world-class technical expertise and innovative solutions on projects in over 70 countries across Africa, Asia Pacific and the Middle East.
There are 4-billion cellphone users worldwide, leaving over 2.5-billion people in the developing world who still do not have access to a telephone service. Of 4-million cellphone towers, 400 000 are in regions without an electrical grid.
The intricate designs and innovative fixtures of the 2010 Eskom Energy Efficient Lighting Design Competition surpassed all expectations. This annual competition is open to both students and professionals in the fields of architecture, interior design, engineering, lighting specialists and anyone else with a passion for designing energy-efficient lighting.
Friday, 28 January 2011 12:57

Kayema crowned Energy Company of the Year

The Southern African Association for Energy Efficiency has honoured Gauteng-based Kayema Energy Solutions with the organisation’s Energy Company of the Year Award.The SAEE annual banquet was held at Emperors Palace on 10 November, where the SAEE Convention and Exhibition for 2010 was formally opened.
Friday, 28 January 2011 12:56

GE to buy 25 000 electric vehicles by 2015

GE will convert at least half of its 30 000 global fleet and will partner with fleet customers to deploy a total of 25 000 electric vehicles by 2015. The US conglomerate announced that it will purchase 12 000 GM vehicles made by General Motors (GM), beginning with the Chevrolet Volt, and will add other vehicles as manufacturers expand their vehicle portfolios.