Meanwhile, Japan Atomic Power shut down the 1, 100-megawatt Tokai Daini nuclear plant on the north-east coast, the closest to Tokyo.

BBC: Japan quake: Nuclear closures to cause power shortages

Meanwhile, the weaker yen means higher costs for rising imports of natural gas, which is priced in dollar terms, to help compensate for the loss of nuclear power generation capacity after most atomic power plants remain closed after the 2011 disaster at the Fukushima Dai-Ichi nuclear plant in northeastern Japan.

NPR: Japan Logs Record $83.4B Trade Deficit In FY2012