it blows over trees and causes power outages
Power outages is not a big concern and is rare
Home generators for power outages are very important. It is because in case of emergency power outages you have your back-up. And you are ready in case of emergencies.
You can get a wind up radio for outages.
Because of the weight of the snow on the branches causing them to fall on the powerlines creating power outages.
No, Homeowners insurance does not provide compensation for utility outages.
Yes
The power grid, some may have a back-up generator for power outages.
Yes, there were power outages in Accra on May 2013
No, if any do, it is purely coincedental.
Yes, a home generator would be good for power outages, so that the food in your fridge doesn't go bad, and so you can still use the electricity. As most of things today use electricity to power.
Compuware has a tool to track internet power outages. It is called Outage analyzer and it can track outages around the world and analyze what caused them.