Just watched
American Blackout, yes I know disaster porn, but very entertaining but days 10 to 20 may have been pretty ghoulish so I guess they decided to unrealistically put the electricity back on at day 10.

Oh and don't forget your manual can opener if your a New York Yuppie, I would recommend one of these;
Kuhn Rikon Auto Safety Lid LifterIf there was an Electrical Grid failure in the lead up to a harsh winter i.e. Mid November, the results could be even more severe.