Pumping water uphill is another one. A lot of farms ditch water off the property in wet months and then irritate with precious well water during dry spells. If

Pumping water uphill is another one. A lot of farms ditch water off the property in wet months and then irritate with precious well water during dry spells. If you’re on a slope, or build a tower, you could use excess electricity to pump water from a pond to a higher point. The receiving tank becomes a battery, and the energy can be released with gravity to irrigate during droughts.