The connecting of the pipes had suffered several delays in July.
Workers encountered another snag when they installed one of the pipes in the wrong place.
Fuel debris removal was originally supposed to begin in 2021.
After several delays, removal of nuclear fuel debris has begun from Fukushima Daiichi Nuclear Power Plant’s Unit 2 reactor.© David Mareuil/Anadolu via Getty Images
In May, officials unveileda robot designed to assist in removingthe melted fuel.
Unit 2 is the first of the facilitys three reactors where fuel cleanup operations are being conducted.
The melted metal later cooled and re-solidified.
Currently, conditions in Unit 1 are still being investigated.
A sixth unit was defueled, but was still severely damaged by an explosion.
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For now, the facility will use AI to comply with regulations.