A batch of spent nuclear fuel was delivered Thursday for the first time to an interim storage facility built in northeastern Japan as part of efforts to address increasing fuel stockpiles kept at nuclear power plants nationwide. A total of 69 fuel assemblies from Tokyo Electric Power Company Holdings Inc.’s Kashiwazaki-Kariwa complex in Niigata Prefecture arrived by ship and road at the facility in Mutsu, Aomori Prefecture, on the northernmost tip of Honshu, Japan’s main island. The fuel has been placed inside a metal cask about 5.4 meters long and 2.5 meters in diameter that weighs 120 tons. …