It depends on the specific usage. If all the ports are used, it will consume about 15 kilowatt hours of power after being fully turned on for one month.
The rated power of this product is 40W, and it operates at full capacity. One month is 28.8 kilowatt-hours of electricity, but under normal circumstances, the actual power consumption is about half of the rated power, which is about 15 kilowatt-hours.