Tokyo Electric Power Company operates several nuclear power plants in Japan, not just Fukushima Daiichi.  Some of those plants went off line because of the 11 March disasters. In fact many nuclear plants run by other companies are off line, that’s why the electricity shortage in Japan is so bad.

TEPCo announced that they will restart one reactor at their Kashiwazaki Kariwa plant, in Niigata Prefecture.  The KK plant has four reactors.  Reactor 1 is operational, but 2 through 4 are shut down.

They hope to get Reactor 3 up and running by the end of the year.  Part of the delay is from a government ordered earthquake reinforcing program for the reactor buildings.