Pumping Water - Costs
The cost of pumping water
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The cost of pumping water can be calculated as
C = 0.746 Q h c / (3960 μp μm) (1)
where
C = cost per hour (USD, EUR, ...)
Q = volume flow (US gpm)
h = head (ft)
c = cost rate per kWh (USD/kWh, EUR/kWh, ....)
μp = pump efficiency (0 - 1)
μm= motor efficiency (0 - 1)
Example - Pumping Cost
10 US gpm is lifted 10 ft. The electricity cost is 0.1 USD/kWh and the pump and motor efficiency 90% (0.9). The cost per our can be calculated as
C = 0.746 (10 US gpm) (10 ft) (0.1 USD/kWh) / (3960 0.9 0.9)
= 0.002 USD
Pumping Cost Calculator
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