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2 years ago

Energy efficiency – the fast track to a sustainable energy future

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Efficient consumption of

Efficient consumption of energy Commercial and residential buildings Commercial and residential buildings account for about 40 percent of primary energy consumption in most IEA countries, including the EU member states and the US. This energy is used mainly for heating, cooling and powering electric appliances. 12 The fastest growing commercial buildings are data centers which use at least 30 times more power per square meter than other building types 3 percent of total energy consumption. In this area, significant energy efficiency gains can be realized with intelligent building solutions that precisely manage temperature, lighting and electrical appliances. A study by the German Electrical Industry Association (ZVEI) found that energy consumption and costs for lighting in buildings of all kinds can be reduced by up to 80 percent by using intelligent building systems. These systems typically enable customers to reduce their combined energy consumption by around 50 percent, with a payback period of 1-5 years. For example, a new low-voltage circuit breaker from ABB, Emax2, acts as an intelligent power manager, protecting electrical circuits and managing energy consumption based on need. The global savings potential of this energy manager alone is estimated to be 5.8 TWh, equivalent to the electricity consumption of 1.4 million EU-28 households per year. Energy management systems for buildings integrate lighting, heating, ventilation, air conditioning, window shading, security and comfort controls with energy measurement processes, improving energy efficiency by up to 30 percent. For example, ABB drives that were installed to control the indoor climate 12 Energy efficiency the fast track to a sustainable energy future

system of the State Library of Victoria, Australia, led to energy savings of 30-60 percent, depending on the application, in the two-hectare, 150-year-old building. The building’s total annual energy usage was cut by 1,800 MWh, saving about US$160,000. The investment paid for itself within 13 months. Intelligent building systems typically cut energy consumption by half. With 2.5 quintillion (30 zeroes) of bytes of data used every day and growing, reliable and efficient energy supply and management has never been more important in the data center market. ABB provides control systems and expertise to help data center developers save energy. Energy efficiency the fast track to a sustainable energy future 13

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