Now responsible for the second-largest contribution to the hash rate, Kazakhstan’s energy grid may be unprepared to handle the addition of many cryptocurrency miners from China and others looking to capitalize on low-cost electricity.

Reuters reports that Kazakhstan’s government officials are being interviewed in a Wednesday report EstimateUnregistered cryptocurrency miners could consume twice the power of those who are registered in order to avoid taxes or other fees. The total combined power consumption of all the crypto miners within Kazakhstan could reach 1.2 gigawatts or 8%.