The Ministry of Economy, Trade and Industry (METI) has compiled a forecast that it will likely be attainable to safe a minimal reserve margin of three% for a secure provide in all areas of Japan for this summer time. Based on this, the Ministry of Economy, Trade and Industry has determined to make changes within the path of requesting energy saving in the summertime in addition to within the winter throughout the jurisdiction of TEPCO inside an inexpensive vary.
Source
Summer energy provide and demand Prospects for securing the minimal reserve margin nationwide Ministry of Economy, Trade and Industry | NHK
