Both.

Always looking for more options and data input. I have been working out solar systems and when looking at battery costs, it seemed the easiest way to slim the investment by arranging a high panel, minimum battery arrangement. Essentially do all your whatever (laundry, cooking, etc) during the day when the sun is up, then shut it all off and run bare minimum lights at night. However, if I can bulk up the battery storage a bit, I can swing running the heater blower overnight.