Originally Posted by
Jim Becker
The battery backup design that I had in our solar proposals would cover our normal "reasonable" usage for about three days if necessary as that was my requirement. That was by using two full Generac battery banks. If the days are sunny, that can be longer. But yes, a whole house backup generator, at least on NG like we had at the old property can run "sorta forever" and one on LP like we will have here can run until the tanks are dry. (which is coincidentally not much more than three days or so. Fortunately, the vast majority of power outages here are not long term; hours usually and sometimes a rare day or two.