Which is better, storing power or storing water?

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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 you need a booster pump to maintain system pressures at night and in cases were it is more cost effective. For example, if a home power system using batteries already exists and you need to pump water out of a well and into a pressure system, then connecting to your existing battery bank could be more cost effective.

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