http://www.cnsnews.com/news/article...-report-us-remains-vulnerable-emp-attack"Baker told Congress that it would cost about $30 billion to harden power plants, electrical transmission and distribution lines, and their critical telecommunications and transportation systems against an EMP/GMD event."
http://freebeacon.com/national-secu...threat-nuclear-emp-attack-electric-grid/"Protecting 200 to 700 critical transformers would cost $80 million to $280 million and additional protection against solar storms would cost between $8 million and $28 million, Harris said.
"The combined cost would be about $1 dollar per person residing in the United States," he added. "Isn’t this a ‘best buy’ to prevent an enduring blackout that would risk loss of millions of lives and trillions of dollars in economic activity?"
