should the vre in one region have tow output other regions experiencing overgeneration can transmit excess electricity in germany produced twh of electricity which gives an average power consumption of about w per capita implying that a city of one million inhabitants needs on average nearly gw of electricity supply with considerable variations the highest capacity transmission project being constructed is for the capacity of about gw of high voltage direct current hvdc overhead line which could sene a region of about ten million inhabitants transmitting hydropower over long distances is common in brazil china and india due to inexpensive electricity and remote locations of hydropower current electricity storage capacity is usually nearly negligible in comparison to instantaneous power generation and due to nearly instantaneous power transmission