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. 2021 Dec 16;12:7324. doi: 10.1038/s41467-021-27251-2

Table 5.

Material and energy consumption of the information and communication technology for virtual-conferencing5,39,43,51,52,54,55.

Category Item Value Unit
Device Router, internet 1.09E−01 unit
Internet access equipment 1.03E+00 unit
Computer, laptop 1.54E+00 unit
Device-related electricity Energy consumption for router 0.00E+00 kWh
Energy consumption for internet access equipment (ADSL, DSLAM) 0.00E+00 kWh
Energy consumption for laptop, video mode 3.43E+02 kWh
Network-related electricity PS-Core 2.38E+00 kWh
Fixed line CPE 3.83E+00 kWh
Operator DC 4.75E−01 kWh
Office networks 1.18E+00 kWh
Internet core 2.88E−01 kWh
Server-related electricity Infrastructure 6.67E−01 kWh
Network 5.56E−02 kWh
Storage 2.22E−01 kWh
Server 1.07E+00 kWh