What "THEY" Don't Want You to Know
I hope I can encourage everyone to read SECURING THE U.S. ELECTRICAL GRID p.d.f. that will be attached to the bottom of this post. This report lays out how vulnerable our power grid is and will help you understand how to prepare for not IF it goes down but WHEN.
https://www.thepresidency.org/sites/default/files/Final%20Grid%20Report_0.pdf