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Table 10 Volume of water pumped/supplied and energy used in the optimal energy solution

From: Framework for the optimization of operation and design of systems with different alternative water sources

Source Pump Volume (ML) Energy (MWh) Energy Rate (MWh/ML)
Macquarie River M1a 0 0 0
M1b 74 150 2.02
Total 74 150 2.02
Groundwatera G1 24 11 0.46
G2 146 79 0.54
G3 235 106 0.45
Total 405 196 0.48
Stormwater S1a 258 39 0.15
S1b 479 71 0.15
S2a 828 65 0.08
S2b 237 21 0.09
S3a 1022 170 0.17
S3b 22 5.5 0.25
S4a 178 41 0.23
S4b 12 3.1 0.27
S5a 24 4.8 0.20
S5b 56 11 0.19
S6a 60 11 0.18
S6b 26 5.0 0.19
Totalb 1044 447 0.43
Spring Creek and Suma Park Catchment - 3865c - -
  1. aThe energy consumption for the groundwater pumps includes both the transfer and bore pumps, i.e. the energy for Pump G1 includes G1a (not modelling in EPANET, energy use estimated from volume) and G1b (modelled in EPANET)
  2. bThe total volume supplied by the stormwater schemes is measured as the combined volume supplied by Pumps S3a and S3b (which discharge to Suma Park Dam), while the total energy is the total of all pumps
  3. cThis is the volume supplied by the natural catchment for the town’s consumption, the total inflow from the catchment is greater than this however some is used to provide environmental flows and some spills