"Im sure most of you have seen the news about Bitcoins energy consumption. For instance, in Iceland, more energy is used to mine Bitcoin than to power peoples homes and per day the global Bitcoin network now consumes more energy than Ireland. Hence, we chose to build on the Stellar network as it is the most environmentally friendly blockchain available. For comparison, a transaction on the Stellar network only uses 0.03 Wh whereas VISA uses 1.69 Wh per transaction. Clearly, the Stellar blockchain is the perfect technology partner for our platform."
Read morehttps://datafloq.com/read/amp/blockchain-can-save-climate-poseidon/5235?__twitter_impression=true
If you measuring the energy consumption in Iceland, of course bitcoin mining will cost electricity more than peoples home because the population of the country is not too many. In some big city, bitcoin mining is not consuming energy more than the usage in industrial factory.