Battery-powered flashlights and camping lanterns are the safest alternative, but they won't last if you haven't stocked up on fresh batteries in the right sizes. And don't forget batteries for your radios. A well-stocked pantry and a working stove are priceless when you're stranded at home. Don't overlook the value of disposable plates, cups and cutlery when clean water may be scarce and hot water nonexistent. Naturally, your family's favorites, such as peanut butter and jelly, will see heavy service.
Hot meals are essential for morale, however.
Again, safety is your first concern. If you're really lucky, you have gas appliances or a camp stove with a fresh fuel source. If not, don't even think about bringing a charcoal or propane grill into the house. They become too hot for safe use in a small space with draperies, upholstery or bulkily clad people, especially children, and their flames consume oxygen in a closed space too quickly. If you must use one of these grills, do so outside.