South Korea's Nuclear Safety and Security Commission (NSSC) has allowed Korea Hydro and Nuclear Power (KHNP) to restart operations at Shin Kori units 1 and 2 (1,000 MW each) and Shin Wolsong unit 1 (1,000 MW). KHNP had to replace cabling following a scandal of falsified documentation over safety-related control cabling in late 2012. The newly-constructed Shin Wolsong 2 is having its cabling replaced and still awaiting approval to start commercial operation for the first time. The two most affected units, Yonggwang 5 and 6 (since renamed Hanbit 5 and 6), were taken off line for the parts to be replaced, while other affected units, Yonngwang (Hanbit) 3 and 4 and Ulchin (now Hanul) 3, were able to continue in operation during replacement work. South Korea was struggling to meet electricity during peak summer and winter demand, with several nuclear units offline for maintenance or safety checks.
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