there was a typhoon...

Typhoon Roke Heads for Stricken Fukushima Daiichi Nuclear Plant - NYTimes.com

Even so, most of Tokyo continued to have electric power even as the eye of the storm passed through the city on Wednesday evening, a testament to Japan’s generally robust basic infrastructure. According to Tokyo Electric Power, about 20,000 homes lost electricity in Tokyo, a city of almost 13 million residents.

I compare this to life in California, where a minor drizzle always seemed to knock out a fair portion of the city's power grid.