See this excellent post on black starting a major power plant by FReeper Fellow Traveler:
http://www.freerepublic.com/focus/news/3733815/posts?page=69#69
Restarting the national power grid from scratch is nontrivial, especially when its quite likely the technical staff necessary to do so has glad the country and/or are scrambling for food to keep their families alive.
Thanks for the link.