I can really see where power is paramount if on a well...
The nearly a week without power in Olympia in the middle of winter had just about everyone outside the city on generator power...
As with most things... planning goes a long way.
Never had a genset at the cabin... propane and candles and lantern... never had to worry much about refrigeration... one winter Grandma just wrapped the frozen goods and put them in the snow bank...
As kids... we always hoped the power to go out... we called it Pioneer Living and my Grandmother would tell stories about the root cellar and growing up without electricity or telephone... it's the things that keep life interesting for kids.
To her having hot water on tap was the ultimate in luxury... and with a propane water heater life was good...
Funny you mention that history...... at grs's comment of 5-10 days w/o power, I was thinking "my grandparents wouldn't have had trouble adjusting, as they grew up under those conditions". Many people today, with no camping experience, would be up a certain creek.
Rgds, D.