Between 2000-2500 sq. ft.
In snow storms scenario a generator is a very good idea. Per my understanding 15KW to 17KW would be enough for a home of 1600 sq foot. A generation with the above specifications can easily serve the desired purpose.
5 TON
An average 1000 sq ft home.
18,000
big
2000 sq metres = 21527.8 sq feet.
3,056.95 sq feet.
20 sq cm = 20*100 sq mm = 2000 sq mm
2,000 sq ft = 288,000 sq inches.
It is 566.5 sq metres.
161.25 sq ft