Question

A PS4 uses 8.8 watts when on stand-by mode. How much carbon dioxide is emitted into the atmosphere by using this electricity?

Answer 1

a. total power usage PS4 in a week = 8.8 watts x 21 hrs/day x 7 days/week
                                                          = (1293.6 watt.hr/week) / (1 kW/1000w)
                                                          = 1.29 KW hr/ week
b. carbon emission = 2.1lb/KW
                               = 1.29 KW x 2.1lb/KW
                               = 2.71 lb

Answer 2

8.8 watts × 294 hours = 2587.2 Wh or 2.5872 kWh.