The Fukushima No. 1 nuclear plant crisis prompted the government to ask untilities nationwide to draw up mid- and long-term countermeasures against future earthquakes and tsunami.
Among six power plants that supply electricity for commercial use in the Chubu region, only two — the Hamaoka facility in Shizuoka Prefecture operated by Chubu Electric Power Co., and Hokuriku Electric Power Co.'s Shika plant in Ishikawa Prefecture — will be able to complete the construction of new seawalls by the end of this year.
On preventing hydrogen explosions — a major problem at Fukushima No. 1 — measures have started at all of the reactors except units 1 and 2 at the Oi plant in Fukui Prefecture, where Kansai Electric Power Co. had taken preventive steps before the Fukushima disaster.