Typhoon Faxai is moving northeast off Fukushima Prefecture with gusts of up to 180 kilometers per hour.
The winds broke records in some areas, with Chiba City seeing gusts of over 200 kilometers per hour.
Solar power plants in Chiba Prefecture caught fire and emergency crews were still fighting to put it out, as of 2p.m.
A woman in Tokyo died after a strong gust apparently knocked her against a wall.
Two power transmission towers collapsed in a mountainous area. They were mainly feeding power to areas in Chiba prefecture.
Tokyo Electric Power Company says more than 800,000 households are still without power as of 2p.m.
The storm also disrupted train travel for millions of commuters and travelers. Railway services, including bullet trains to other parts of the country, were suspended. But operations are now getting back to normal.
More than 160 domestic flights have been cancelled. Airlines are asking passengers to check for the latest updates before heading out.
Tokaido Shinkansen bullet train resumed service at 7:40 a.m. on Monday.
Service had been suspended earlier in the morning due to Typhoon Faxai on the outbound line between Tokyo and Mishima stations, and on the inbound line between Odawara and Tokyo stations.
East Japan Railway says it has resumed services on its Yamanote Line in central Tokyo after Typhoon Faxai moved clear of the region.