SummaryEnergy required per unit of clean drinking water delivered. General Information about this IndicatorWhat is it?: Managing, treating, and delivering water all requires electrical and other forms of energy. This indicator provides a measure of the energy demand associated with providing drinking water. The California Energy Commission and local entities (e.g., Napa County) have been studying the connection between water and energy in order to make both energy and water delivery more efficient and to conserve both.