The entire difference is due to heavy industry moving to other countries.
In the second graph, industrial sales flatline then decline after 2000, which doesn't match up with the peak electricity generation in 2007. Both residential and commercial slow or stop growing after 2007.
In the second graph, industrial sales flatline then decline after 2000, which doesn't match up with the peak electricity generation in 2007. Both residential and commercial slow or stop growing after 2007.