I live in an area of rural Ontario that gets lots of power outages and storms - all of the roads in our region were closed many times this winter. There was one stretch where the grocery stores and gas stations closed becasue supply trucks couldn't get here - I think the schools were closed for about 25 days between Christmas and about 2 weeks ago.
We made a point of installing a woodstove when we moved into this house. I know that isn't possible with every house, but I would consider it if you live in a storm prone area. Our house stayed toasty warm and we used our camping griddle for things ilke eggs and pancakes and grilled sandwiches and cast iron frying pans for everything else. We wrapped potatoes in foil and threw them into the coals - we called it our non-nuking microwave
It takes a little longer to cook things, but it still works.
Propane stoves are only workable if you have an area that is well ventilated abd separate from your living space and protected from the elements, like a garage where you can keep a door open.
Every fall I buy a couple of 10L jugs of water and store them in the basement in case of power outages. They usually wind up going on our summer camping trips the following year, but some years we have had to use them.
I alos keep battery operated lanterns and flashlights in a predictable spot with spare batteries close at hand - you can't recharge reusables in a power outage, so while those are our mainstay I have disposables available for back up use. The power inevitably goes out during bedtime routines, leading to startled and frightened children suddenly in the dark, so it really helps to know exactly where the lantern will be.
I also make a point of never letting the gas tank go below half full in winter becasue you don't always know when a storm will come up and it just feels irresponsible for me to leave myself in a situation where I don't have enough gas in a bad storm - again, I live in a rural area, this might not be as much of an issue in an urban area.
We Canadians celebrate Thanksgiving in October and I always check to make sure we have all of our winter supplies on hand the week after Thanksgiving.
In this age of electronic everything, it is a good idea to have an old fashioned telephone that just needs to be plugged into a telephone line - anything cordless won't work when the power goes out. I also recharge my cell phone when a storm is on its way.