A solar storm could generate the same effect. And that’s not just a theory — it’s happened before. In 1989, “a vast cloud of…plasma,” ejected from the sun, caused a 12-hour blackout in Quebec

http://www.pbs.org/newshour/making-sense/column-danger-devastate-electri...

http://www.usnews.com/news/articles/2016-09-23/is-the-energy-grid-in-danger

http://www.nytimes.com/2012/11/03/opinion/not-ready-for-a-solar-sandy.ht...

Link to download the PDF.

Picture of the lables with a mocket up package. Sheets are 8.5 x 11 inches.