Assumptions:
- Flow rate of million gallons per day (MGD).
- Flow coefficients (C) as listed above.
- Pump motor efficiency of 80%.
- Energy cost of /KWH.
(Latest data from: www.eia.doe.gov/cneaf/electricity/epm/table5_6_a.html).
- Demand cost of /KW per month.
- The annual energy costs shown are based on head loss only, and do not reflect actual pumping costs.