Input (grade 9): All of the 14 generators first ran to full power (9800 MW) on October 18, 2006 after the water level had been raised to 156 m. The 12 generators in the south side of the dam have already been installed.
Output (grade 10): The full power (9,800 megawatts) of the north side generators was first tested on October 18, 2006, when the reservoir had risen to above sea level.