Abstract
Many utilities control the operation of their raw‐ and finished‐water pumps according to the water levels in their ground storage or elevated storage tanks. The practice of keeping storage tanks full or nearly full may not be necessary in terms of energy consumption, though. This article provides a case study of two distribution systems with differing hydraulic, pressure, and flow constraints. By modifying water storage levels and pump use patterns, each utility could save significant amounts of energy. A discussion of electric rates and special power service contracts is included. The first part of this two‐part article appeared in the July 1984 issue of Opflow (type DIALOG AN 0011114).
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