People of the world are so depend on electricity. Even an hour without electricity can mess up life. Personal gadget to industrial machine needs electricity for work. The list of electric equipment in one house can be long enough. Start with lights. Each room needs electric lamp for night light. And sometime it should be on at day light, if the sunlight cannot enter the room. After lamp there will be more equipment that uses electricity. You can say TV, radio, computer, kitchen appliance and much more. If the electricity supply stop, it mean no equipment can work.
For people that work at home, electricity supply should not stop. They will loose a lot is the electricity supply is stop. And for industry, the stop supply of electricity means big problem. It will stop production and cause late stock supply to the customer. But there will always possibility for it. Accident in the power plant or disaster that damages the power plant can stop the electricity supply.
And to avoid more looses, you may consider using Lister Bower generators. It is heavy duty industrial diesel LP generator engine. It uses diesel fuel to generate electricity. It is easy to use and sound attenuation so it will not disturb your ear. With it, there will be no more problem with electricity supply.