I think a solar powered water pump will be use full to us because we will be having solar panel. What solar powered water pump does is it powers your well pump, and uses no fuel and using sun to power the pumps while the sun is shining.
Solar Powered Pond in a Pot Kit with 72cm White Planter and Fountain
The solar powered rain barrel pump system provides pressurized pumping through a garden hose with no electrical outlet required. This high powered system pumps up to 100 gallons on a single charge. reuse rain water for garden, animals, ect.