The cost of mining bitcoin is generalized to the energy used for mining. The form of mining is completely based on power source, and to really get some substantial amount, more energy will be utilized on daily basis. This completely means, without power supply, no mining, with no mining, transactions can't be completed or successful, no successful transactions no fun in crypto space. The use of renewable energy will stand to be the rescue of this energy issue, as to help reduce the pollution of our atmosphere and health hazards.