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Lessons learnt from monitoring a sample of TVs and entertainment systems in Northern Italy

Panel: 9. Improving energy efficiency in ICT, appliances and products

This is a peer-reviewed paper.

Authors:
Gianluca Ruggieri, Università degli Studi dell'Insubria, DiSTA, Dipartimento di Scienze Teoriche e Applicate, Italy
Patrizia Pistochini, ENEA, Italy
Mattia Bulgarellii, DiSTA - Università dell'Insubria, Italy
Paolo Zangheri, Joint Research Center, Italy

Abstract

Energy labels are a powerful instrument to influence the electricity consumption of appliances and lighting devices in households. But the real consumption data depends on a number of different factors, including marketing policies, purchase preferences, technology development and not at least behavioral habits.

While white appliances consumption trends tend to change over a longer period, the use of entertainment devices changes quickly. A number of different devices (DVD player, decoder, game console, home theater, videorecorder) are normally connected to the main television set, and these devices change rapidly over time, but at the same time new behaviors are emerging and people prefer to use computers, tablets and smartphone instead of the television for their audiovisual entertainment.

In order to better identify the number of entertainment devices that are actually used and their energy consumption, in 2017 a measurement campaign has been promoted and developed in some households in Northern Italy within the HESCA project “Home Entertainment System Consumption Analysis”. The consumption of twenty-eight main television sets and fourteen entertainment systems (defined as all the devices attached to the television selected for the campaign) was measured on a daily basis for at least two weeks with a participatory approach. Standby consumption was measured as well. On the basis of results evaluated it appears that these devices are responsible of 9,3% of total electricity consumption as an average of 5,6% for televisions and 3,7% of the attached devices. Standby consumption is still considerable high (3,6% of the total electricity consumption) especially for satellite decoders. The submitted and fulfilled questionnaires have reported also interesting information concerning daily time of use, type of technology, average screen size. Results are discussed and compared to previous monitoring campaigns in Italy and in other European countries.

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