Comet-ME has developed a solar-powered submersible borehole piston pump for off-grid communities and smallholders to use for irrigation and domestic purposes. The device, compatible with PV systems from 300-900 W in size, can pump water from 45m with as little as 50 W of continuous solar power. Weighing 12kg, the 120cm pump can operate under low solar radiation, at a lower rate, to reach higher daily flow capacity.
