First as most of the miners move to the latest ASIC hardware like Bitmains Antminer S9 the cost per Th will become much more efficient. If you have a desktop computer turned on 24 hours per day and exclusively dedicated to mining bitcoins your approximate consumption will be 220 Wh within a very broad range of between 50 and 450 Wh according to the type of processor fans etc. Bitcoin United Offers 3 Second Confirmations 10 000 Transactions Per Second On August 1 Bitcoin World Economic Forum Cryptocurrency On March 18 2021 the annual power consumption of the Bitcoin network was estimated to be 129 terawatt-hours TWh. How much energy does bitcoin use per transaction . At 01 watts per Ghs Bitcoin would use the same electricity as the yearly consumption of 6745 average American homes. The reasons are two fold. The environmental impact of the Bitcoin network depends on power consumption the kind of energy powering the network and the electronic waste it generates. Lets we do a