Who owns the reliable information that the network bitcoin uses more than 80% of the countries separately electricity. Bitcoin also multiplied by several times the amount of energy consumed in the last year. Is this really true, who will say? So there are thoughts that bitcoin in a couple of years will be a threat to the energy situation on the planet?
Actually this topics ,we could not identify the exact electricity network bitcoin needs totally using in electricity,maybe this 80% that you stated is only speculation and we could not find the exact amount of electricity that bitcoin mining consumed,because its all depends of the country where should its belong,because every country have a different meters readings of electricity consumable amount.