Which is better, storing power or storing water?

Almost always you should store water and not power when possible and you will have much better performance and reliability with your solar pumping system. However there are cases where we recommend batteries in solar pumping systems, as in home pressure systems when...

Do I need a water storage tank?

Storing water in a cistern or tank has many advantages. It’s less expensive and more efficient than storing power in batteries. Since water is always a critical issue, we recommend the tank should be able to store a minimum 3 to 6 days worth of water or whatever...

Should I use batteries in my solar pumping system?

While batteries may seem like a good idea, they have a number of disadvantages in pumping systems. First, they reduce the efficiency of the overall system. Second, they are another source of problems and maintenance. Third, they add cost to the system.