This was on the telly
One of those 'perfect storm' docu-dramas they show on Channel 5 covered this, but they mentioned an early warning satellite called SOHO that would allow the decision to be made to turn off the transformers (electrical as opposed to robotic) prior to the storm hitting us and thus preventing damage.
I could of course have the wrong end of the stick as my grip of science is a little shaky at best.
Paris 'cause she has a much firmer grip (though not of science).