Sun-powered pond pumps circulate water with energy collected by a solar panel. Some pumps use the energy to agitate the water with air, while others move the water directly.
Basic sun-powered pond pumps only operate when the solar panel receives sunlight. These are also excellent pumps for landscaping fountains that do not operate at night, according to Best Pond Pumps. Other sun-powered pond pumps have backup batteries for use in overcast weather and at night. This is particularly important for ponds containing fish.
Sun-powered pond pumps offer several advantages over electrical models, including quiet operation and quick setup. However, they are also typically more expensive and less powerful than electric pumps.