Energy Star Version 5 set-top box energy efficiency standards are now finalized
The US Environmental Protection Agency (EPA) recently released the 5.0 version of the Energy Star gaming console energy efficiency standard. The new standard will take effect on January 1 , 2017. A set-top box (STB) is a device used to receive television programs and related services from terrestrial, cable, satellite, broadband or local area networks.
The new changes in the 5.0 version of the standard are mainly reflected in the new efficiency requirements for the entire cable TV, satellite TV, Internet Protocol (IP) TV and OTT set-top boxes. Compared with the previous version, these changes are expected to save 30% (equivalent to 21 kWh ) of electricity consumption per year. The new standard also plans to establish efficiency level requirements for thin clients, which will be achieved through deep sleep mode. These new changes will officially take effect one year later, that is, on January 1 , 2018 .
New to version 5 are incentives for set-top boxes that offer sleep schedules and multi-room configurations (where fewer set-top boxes are needed to deliver content). These performance requirements can be seen in the data below.
Update requirements for version 5
Formula 1: TEC requirement for set-top boxes
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TEC is the typical energy consumption, calculated as shown in Formula 2 (below)
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TEC MAX is the maximum TEC specification requirement - the level certified by ENERGY STAR
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TEC BASE is the highest applicable basic type TEC allowable value (kWh), as specified in Table 2 (below)
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TEC ADDL_i is the TEC allowable value (kWh) for each applicable additional function, as specified in Table 3, and is applicable once for each function unless indicated by the word "additional"
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eff ac-dc is the standard adjustment factor for AC-DC power conversion losses when the device is powering a set-top box, which is 1.0 for an AC-powered set-top box and 0.85 for a standard DC-powered set-top box.
Formula 2: Calculation of TEC
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T WATCH_TV is the time factor of the load mode (h), determined according to Table 1
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P WATCH_TV is the measured power in load mode (W)
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T SLEEP is the time coefficient of the sleep mode (h), determined according to Table 1
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P SLEEP is the measured power in sleep mode (W), including deep sleep
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T APD is the time factor of APD (automatic power off) (h), determined according to Table 1
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T DEEP_SLEEP is the time in deep sleep state (maximum value is 4h)
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P SLEEP_SP_2 is the measured power in automatic timed sleep mode (W)
Table 1: Duration of working modes
Table 2: Basic type TEC allowable values (TEC BASE)
The following is EPA's timeline for implementing the Version 5 standards.
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Effective May 13, 2016, manufacturers can choose to have their Certification Body (CB) certify their products to conformity to Version 5.0 of the standard.
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Starting October 1, 2016, certification bodies will stop accepting new products for certification under the 4.1 version of the standard as instructed. However, it should be noted that existing Energy Star certifications will remain valid until December 31, 2016.
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Any non-thin client set-top box product manufactured after January 1, 2017 must meet the version 5.0 standard to be labeled with the Energy Star logo. After this date, all Energy Star product certifications obtained under the version 4.1 standard will be invalid, and certification agencies can only submit product models certified under the version 5.0 standard to the EPA.
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Effective May 13, 2016, manufacturers can choose to have their Certification Body (CB) certify their products to conformity to Version 5.0 of the standard.
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Starting from August 15, 2017, the certification bodies will stop accepting 4.1 version certification for new products according to the instructions. However, it should be noted that the Energy Star certifications that have been obtained will still be valid before December 31, 2017.
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Any non-thin client set-top box product manufactured after January 1, 2018 must meet the version 5.0 standard to be labeled with the Energy Star logo. After this date, all Energy Star product certifications obtained under the version 4.1 standard will be invalid, and certification agencies can only submit product models certified under the version 5.0 standard to the EPA.
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