Among your power outage supplies should be an emergency preparedness kit. If you're a regular reader of the Mountain House blog, you're familiar with the importance of such a. Besides assembling and maintaining an emergency preparedness kit, there are a variety of actions you can take to better ready your household for a future power outage. For example,. Unplug computers and other electronics and turn off appliances so they're protected against the temporary surges that can occur when power comes back on. Leave a light on,. Obviously you can't predict a power outage, but weather forecasts can give you a heads-up when one may be likely. If severe. You can use a charcoal or gas grill or a campstove to prepare food during a power outage, but only outdoors—neverinside. A fireplace or woodstove can serve as an indoor cooking.