Each option pairs a solar array with a submersible pump, designed to draw water from wells or other freshwater sources while operating off the grid. Explore practical specs, installation notes, and key considerations to help you choose a system that fits your well depth, water. Enter your daily water demand, well depth, and pump wattage and the System Calculator sizes the solar array (and any battery) you need to keep the tank full. In this informational post, we delve into the essentials of using a solar well pump, highlighting the benefits and practical considerations. Solar powered water pumps. For homes, farms, and remote properties, solar-powered water well systems offer reliable, low-maintenance irrigation and clean water supply. Your well pump can run on solar energy. By. If you're on well water, you already know how important it is to keep that pump running. When the power goes out, the water stops too. The trick is sizing for surge (that brief “oomph” at startup), not just the running watts. We'll show you realistic numbers, the cleanest ways to power 12 V/DC and 120/240 V AC pumps, and the plumbing/electrical choices that make water flow when the sun.