The plant remained stable at 100% of capacity, said Mark Sullivan, a spokesman with Constellation Energy Nuclear Group LLC, which owns the plant.

WSJ: Virginia Nuclear Power Plant Loses Power After Quake

Overall, while the situation within the Fukushima power plant is stable, Andrew said it could get worse and so the IAEA is refraining from being too optimistic.

FORBES: Radiation Levels Near Fukushima Up, Tokyo Unchanged, Says IAEA

The plant is now stable, but removing all the radiation could take decades.

BBC: Japan PM Abe praises Fukushima nuclear work during visit