Abstract
Televisions (TVs) account for a significant portion of residential appliance electricity consumption in India, and TV shipments in India are expected to continue to increase. We assess the market trends in the energy efficiency of TVs that are likely to occur without any additional policy intervention and estimate that TV efficiency will likely improve with saving potential of 6 terawatt-hours (TWh) per year in 2020, compared to today’s technology. We discuss various energy-efficiency improvement options and evaluate the cost-effectiveness of three of them, at least one of which improves efficiency by at least 20 % cost-effectively beyond these ongoing market trends. We provide insights for policies and programs that can be used to accelerate the adoption of efficient technologies to capture the cost-effective energy savings potential from TVs which we estimate to be 3.4 TWh per year in 2020.
Highlights
The total global television (TV) electricity consumption was estimated to be more than 250 terawatt-hoursW
As LCD TVs are expected to dominate the Indian TV market, amounting to about 95 % of the market by 2015, market transformation programs need to take into account these rapid developments and determine more stringent efficiency targets than are currently in place
Our analysis finds that a significant decrease in on-mode energy consumption for newly sold TVs in India, as well as other regions, is likely because of the large-scale transition toward light emitting diode (LED)-LCD TVs and rapid efficiency improvement in display technologies
Summary
The total global television (TV) electricity consumption was estimated to be more than 250 terawatt-hours. The TV technology assessment and the cost-effectiveness of TV efficiency improvement options recently presented in Park et al 2013 are applicable to India. Though we do not focus here on 3D technologies and Smart TVs, all the efficiency improvement options and corresponding cost-effectiveness analysis presented here are applicable to 3D TVs and Smart TVs. No OLED TV shipment to India is expected to happen until 2016 (DisplaySearch 2012a). As LCD TVs are expected to dominate the Indian TV market from 2013 onward, accounting for about 60 %, and expected to reach more than 90 % in 2015, this analysis focuses on LCD TVs. LCD TVs’ overall efficiency, if viewed in terms of change in luminance as light travels through the optical processing elements in the display panel, has a significant room for improvement. A Options that are expected to be adopted in a business-as-usual (BAU) case b Dual brightness enhancement film (DBEF) produced by 3M Source: Park et al 2013
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