Re: Huh?
"Securing power plant from Electromagnetic Pulse threats have been serious investigations for the EU, UK and America since 2013..."
Earlier than that. The risk has been written about for more than 2 decades and seriously investigated by governments since 2003 or so. It turns out that securing against EMP (solar flares are more likely problems) is relatively straightforward but adds cost to the installation(*). Power companies being power companies, they decided the extra spend wasn't worth it (as with all private companies, they won't add redundancy unless it adds to the bottom line or are forced to do it. Brakes on railway carriages come to mine....)
USA regulators have been jumping up and down about this for a while, hence the STEP program, but it took 10 years after the dangers were pointed out before it even got started.
(*) Advocacy groups say hardening the US distribution grid would cost $2billion, industry says $20 billion. When a single airport building (Heathrow T5) or urban rail project (Crossrail) can cost about the same, it's small beer in the overall scheme of things if that amount of money needs to be spent across a nation's entire infrastructure.
Biting the hand that feeds IT
