Reminds me of this Bay Area incident from 2013 that has never been explained publicly: https://www.wsj.com/articles/SB10001424052702304851104579359...
April Sniper Attack Knocked Out Substation, Raises Concern for Country's Power Grid
By Rebecca Smith - February 5, 2014 : https://archive.ph/qILZ5
And : https://archive.ph/HCNOz