A Case Study of Energy Cost Optimization in Monroe Water

Distribution System

Fatemeh Alighalehbabakhani Carol J. Miller

Shawn McElmurry S. Mohsen Sadatiyan A.

Content

1

Introduction Case StudyComputational

EnginesResult and Conclusion

Introduction

2

Environmental Hazard of

EnergyEnergy CostsEnergy Used

Introduction

3

Environmental Benefit

Cost Reduction

Increased Sustainability

Case Study

4

Case Study

5

Item Unit Amount

Design Population

People 40,000

Average Demand

MGD 5.6

Maximum Demand

MGD 11.2

Service Area

Completely served Areas

City of Monroe

City of Petersburg

Monroe Charter

Township

Raisinville Township

Village of Dundee

Maybee

Partially Served Area

LaSalle

Exeter

London

Ida Townships

Case Study Details

6

Items Unit Amount

Maximum Pipe Diameter

Inches 99

Minimum Pipe Diameter

Inches 2

Pipes Number 1,943

Constant Speed Pumps

Number 11

Variable Speed Pumps

Number 2

Elevated Tanks Number 3

Tanks

7

Tank Name Min Water Elevation (ft)

Max Water Elevation (ft)

Volume ( MG)

T- 2 741.25 772.00 0.25

T- 3 772.50 797.00 0.25

T- 5 713.25 745.50 0.54

Areas that Elevated Tank Meet Demand

8

Specific Volume Curve

9

Maybee Elevated Tank ( T-3)

10

11

Energy and Hydraulic Demand for the System

Average daily variation in hydraulic demand for the Monroe system in 2005

On- Peak Hours for Hydraulic Demand

On- Peak Hours for Energy Demand

3

Reduce Energy CostReduce Emission

These tanks could supply water during on-peak hours and be refilled during off-peak hours to minimize costs and emission.

Goals

12

Pressure Control Nodes Specification - Area1

13

Pressure Control Nodes Specification- Area 2

14

Modeling Runs Specifications

15

Run No. Name of Run Capacity of

Tank 2 (MG)Capacity of

Tank 3 (MG)Capacity of

Tank 5 (MG)

Total Capacity

(MG)

1 Base 0.25 0.25 0.54 1.04

2 Second Run 0.54 0.54 0.54 1.62

3 Third Run 0.25 0.25 1.08 1.58

4 Fourth Run 0.54 0.54 1.08 2.16

Result

16

Item Unit Base Run Second Run Third Run Fourth Run

Daily cost $ 209 196 205 197

Pump cost $ 217 201 212 201

Storage cost $ 8 5 7 4

Energy used KWh/MG 600 568 596 571

Energy cost /$MG 24 23 24 24

Carbon emission lb/day 10,300 9,500 10,100 9,600

On-peak pump use % 38 33 36 33.5

Conclusion

17

Incr

ease

d T

ank

Cap

acit

y

Decrease Energy Cost

Decrease Energy Consumption

Decrease Emission

Conclusion

Not all elevated storage tanks provide the same amount of reductions in energy consumption, financial costs or pollutant emissions. Modeling similar to what has been presented here can identify the optimal tank size and system scheduling for maximized benefit.

18

Thanks for your attention

19

20

WaterGEMS Output

First Run) Base Run(

Second Run

21

WaterGEMS Output

Third Run Fourth Run

22

First Run

23

First RunTime PMP-544 W-12 E-3 W-11 E-4 W-10 E-5 W-9 E-6 W-8 E-7 PMP-9 E-2

0 0.85 0 0 0 0 0 0 0 1 0 0 0 01 0 0 0 0 0 0 0 0 0 0 1 0 0

1.79 0 0 0 0 0 0 0 0 0 0 1 0 02 0 1 0 0 0 0 1 0 0 0 0 1 0

2.45 0 1 0 0 0 0 1 0 0 0 0 1 03 0.9 0 0 0 0 0 0 0 0 1 0 1 04 0 0 0 0 1 0 0 0 0 0 0 0 05 0 1 0 0 0 0 0 0 0 0 0 0 06 0 1 0 0 0 0 1 0 0 0 0 0.9 07 0.95 1 0 0 0 0 0 0 0 1 0 0 08 0.7 1 0 0 0 0 0 0 0 1 0 0 09 0 1 0 0 0 0 0 0 0 1 0 0.95 0

10 0.65 1 0 0 0 0 0 0 0 0 0 0 011 0.9 1 0 0 1 0 0 0 0 1 0 0 012 0 1 0 0 0 0 0 0 0 0 0 0 013 0 0 0 0 0 0 0 0 0 1 0 0.7 0

13.21 0 0 0 0 0 0 0 0 0 1 0 0.7 014 0 1 0 0 0 0 0 0 0 1 0 0.8 015 0.85 0 0 0 0 0 0 0 0 1 0 0.95 016 0 1 0 0 0 0 0 0 0 0 0 0.75 017 0.8 0 0 0 0 0 0 0 0 1 0 0.75 018 0 0 0 0 0 0 0 0 0 1 0 0.85 019 0 1 0 0 0 0 1 0 0 0 0 0 020 1 1 0 0 0 0 0 0 0 0 1 0 021 0.95 0 0 0 0 0 0 0 0 1 0 0 022 0 1 0 0 0 0 0 0 0 1 0 0.65 023 0.95 0 0 0 0 0 0 0 0 1 0 0 0

23.85 0.95 0 0 0 0 0 0 0 0 1 0 0 024 0.85 0 0 0 0 0 0 0 1 0 0 0 0

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Second Run

25

Second RunTime PMP-544 W-12 E-3 W-11 E-4 W-10 E-5 E-7 W-9- E-6 W-8 PMP-9 E-2

0 0.75 1 0 0 0 0 0 0 0 0 0 0 01 0.75 1 0 0 0 0 0 0 0 0 0 0 02 0.95 0 0 0 0 0 0 0 0 0 1 0 03 0 0 0 0 0 0 0 0 0 0 1 0.65 04 0 0 0 0 0 0 0 0 0 0 0 0 05 0 0 0 0 1 0 0 0 0 0 0 0.8 06 1 1 1 1 0 0 0 0 0 0 0 0 07 0 1 0 0 0 0 0 0 0 0 0 0.85 18 0 1 0 0 0 0 0 0 0 0 1 0.9 09 0 1 0 0 0 0 0 0 0 0 0 0.65 0

10 0 1 0 0 0 0 0 0 0 0 1 0.85 011 0 1 0 0 0 0 0 0 0 0 0 0 012 0.65 0 0 0 0 0 0 0 0 0 1 0 0

12.75 0.65 0 0 0 0 0 0 0 0 0 1 0 013 0.8 0 0 0 0 0 0 0 0 0 1 0 014 0.7 0 0 0 0 0 0 0 0 0 1 0 015 0 1 0 0 0 0 0 0 0 0 1 0.95 016 0 1 0 0 0 0 0 0 0 0 0 0.65 017 0 0 1 0 0 0 0 0 0 0 1 0.95 018 0 1 0 0 0 0 0 0 0 0 0 0 019 0.65 0 0 0 0 0 0 0 0 0 1 0 0

19.41 0.65 0 0 0 0 0 0 0 0 0 1 0 020 0.65 1 0 0 0 0 0 0 0 0 0 0 021 0 1 0 0 0 0 0 0 0 0 1 1 022 0 0 0 0 0 0 0 0 0 0 1 0.8 023 0 0 0 0 0 0 0 0 0 0 1 0.95 024 0.75 1 0 0 0 0 0 0 0 0 0 0 0

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Third Run

Third RunTime E-7 PMP-544 W-12 E-3 W-11 E-4 W-10 E-5 W-9- E-6 W-8 PMP-9 E-2

0 0 0 1 0 0 0 0 0 0 0 0 0 00.1 0 0 1 0 0 0 0 0 0 0 0 0 01 0 0.9 1 0 0 0 0 1 0 0 0 0 0

1.76 0 0.9 1 0 0 0 0 1 0 0 0 0 02 0 0 0 0 0 0 0 0 0 0 1 0.7 03 0 1 1 0 0 0 0 0 0 0 0 0 04 0 0 0 0 0 0 0 0 0 0 0 0 05 1 0.95 1 0 0 0 0 0 0 0 0 0 06 0 0 0 0 0 0 0 0 0 0 1 0.8 07 0 0.85 0 0 0 0 0 0 0 0 1 0 08 1 0.75 1 0 0 0 0 0 0 0 0 0 09 0 0.65 1 0 0 0 0 0 0 0 0 0 0

10 0 0 0 0 0 0 0 0 0 0 1 0 011 0 0 1 0 0 0 0 0 0 0 0 0 012 0 0 1 0 0 1 0 0 0 1 0 1 0

12.67 0 0 1 0 0 1 0 0 0 1 0 1 013 0 0 0 0 0 0 0 0 0 0 1 0.7 014 0 0 0 0 0 0 0 0 0 0 1 0.9 015 1 0 1 0 0 0 0 0 0 0 0 0.75 016 0 0.95 1 0 0 0 0 0 0 0 1 0.95 017 1 0 1 0 0 0 0 0 0 0 0 0.7 018 0 0.85 0 0 0 0 0 0 0 0 1 0.75 019 0 0.95 0 0 0 0 0 0 0 0 1 0.9 020 0 0 0 0 0 0 0 0 0 0 1 0 021 0 0 1 0 0 0 0 1 0 0 1 1 022 0 0 1 0 0 0 0 0 0 0 1 0.85 023 0 0.75 0 0 0 0 0 0 0 0 1 0 024 0 0 1 0 0 0 0 0 0 0 0 0 0

27

Fourth Run

28

Fourth RunTime

PMP-544 W-12 E-3 W-11 E-4 W-10 E-5 W-9 E-6 W-8 E-7 PMP-9 E-2

0 0.75 1 0 0 0 0 0 0 0 0 0 0 01 0.75 1 0 0 0 0 0 0 0 0 0 0 02 0.95 0 0 0 0 0 0 0 0 1 0 0 03 0 0 0 0 0 0 0 0 0 1 0 0.65 04 0 0 0 0 0 0 0 0 0 0 0 0 05 0 0 0 0 1 0 0 0 0 0 0 0.8 06 1 1 1 1 0 0 0 0 0 0 0 0 07 0 1 0 0 0 0 0 0 0 0 0 0.85 18 0 1 0 0 0 0 0 0 0 1 0 0.9 09 0 1 0 0 0 0 0 0 0 0 0 0.65 0

10 0 1 0 0 0 0 0 0 0 1 0 0.85 011 0 1 0 0 0 0 0 0 0 0 0 0 012 0.65 0 0 0 0 0 0 0 0 1 0 0 0

12.64 0.65 0 0 0 0 0 0 0 0 1 0 0 013 0.8 0 0 0 0 0 0 0 0 1 0 0 014 0.7 0 0 0 0 0 0 0 0 1 0 0 015 0 1 0 0 0 0 0 0 0 1 0 0.95 016 0 1 0 0 0 0 0 0 0 0 0 0.65 017 0 0 1 0 0 0 0 0 0 1 0 0.95 018 0 1 0 0 0 0 0 0 0 0 0 0 019 0.65 0 0 0 0 0 0 0 0 1 0 0 0

19.35 0.65 0 0 0 0 0 0 0 0 1 0 0 020 0.65 1 0 0 0 0 0 0 0 0 0 0 021 0 1 0 0 0 0 0 0 0 1 0 1 022 0 0 0 0 0 0 0 0 0 1 0 0.8 023 0 0 0 0 0 0 0 0 0 1 0 0.95 024 0.75 1 0 0 0 0 0 0 0 0 0 0 0

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