Since I am now on shutdown status, I suppose I should catch up on reading/listening with these to start:

U. S. Government Accountability Office. “Critical Infrastructure Protection: Protecting the Electric Grid from Geomagnetic Disturbances,” no. GAO-19-98 (December 19, 2018). https://www.gao.gov/products/GAO-19-98.

———. Protecting the Electric Grid. MP3. GAO - Watchdog Report. Accessed December 22, 2018. https://www.gao.gov/multimedia/podcasts/696106.