The Energy Water Nexus: CoupledThe Energy Water Nexus: CoupledInfrastructure Modeling OpportunitiesInfrastructure Modeling OpportunitiesClayton Barrows, Senior Research Engineer, NRELClayton Barrows, Senior Research Engineer, NREL

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clayton.barrows@nrel.gov (mailto:clayton.barrows@nrel.gov) @claytonpbarrows(https://github.com/claytonpbarrows) NREL-SIIP (https://www.nrel.gov/analysis/siip.html)

Network VanZyl

Formulation Directed Linear Relaxation

Pipes 6

Nodes 16

Tanks 2

Pumps 3

Periods 24

Water systems typically follow a nominal schedule:Water systems typically follow a nominal schedule:

0 5 10 15 20 250

2M

4M

6M

8M

10M

12M

14MPump-1-wntrPump-2-wntrPump-3-wntr

Pump - power

But the energy costs are (or could be...) subject to time varying pricesBut the energy costs are (or could be...) subject to time varying prices

0 5 10 15 200

0.1

0.2

0.3

0.4

0.5

0.6

0.7 Pump-1-pricePump-2-pricePump-3-price

Pump Energy Prices

time

Hea

d (f

t)

Optimization works!!Optimization works!!

0 10 200

5M

10M

15M

20M

0 10 200

10M

20M

30M

0

100k

200k

0 10 200

0.2

0.4

0.6

Pump-1-owfPump-1-wfPump-2-owfPump-2-wfPump-3-owfPump-3-wfPump-Total-owfPump-Total-wfPump-Total-owfPump-Total-wfPump-1-pricePump-2-pricePump-3-price

time

Hea

d (f

t)

Pump - power

Pump - cost

Pump - power

Pump Energy Prices

... sort of!... sort of!

5 10 15 200

2

4

6

8

10

12

14

wntrwatermodels

Tank Levels

time

Hea

d (f

t)

Balancing tractability:Balancing tractability:How accurate do solutions need to be?

Can we generate high fidelity results with large systems?

Co-optimize power and water distribution system networks to (e.g.) minimize the (generation) cost toCo-optimize power and water distribution system networks to (e.g.) minimize the (generation) cost toserve electricity and water demands.serve electricity and water demands.

PowerModelsDistribution.jl (https://github.com/lanl-ansi/PowerModelsDistribution.jl)

WaterModels.jl (https://github.com/lanl-ansi/watermodels.jl)

PowerWaterModels.jl (https://github.com/lanl-ansi/powerwatermodels.jl)

Network Cohen - Water IEEE13 - Power

Formulation Directed PWL Relaxation LinDist3FlowPowerModel

Pipes/Branches 7 22

Nodes 10 29

Tanks/Storages 1 0

Pumps/Generators 3 1

Periods 24 24

5 10 15 200

500

1000

5 10 15 200

500

1000

1500

5 10 15 200

0.005

0.01

0.015

0.02

Low CostsHigh CostsLow CostsHigh CostsLow CostsHigh Costs

time

time

time

Gen

erat

ion

Cos

tTa

nk V

olum

ePo

wer

Gen

erat

ion

Thank You!Thank You!LANL: Byron Tasseff, Russell Bent, Carleton Coffrin, Donatella PasqualiniNREL: Jonathan Stickel, Devon Sigler, Ahmed ZamzamStanford: Yang Liu, Meagan MauterContact: clayton.barrows@nrel.gov | @claytonpbarrows

Open-Source Tools:Open-Source Tools:WaterModels.jl (https://github.com/lanl-ansi/watermodels.jl)

PowerWaterModels.jl (https://github.com/lanl-ansi/powerwatermodels.jl)

PowerModelsDistribution.jl (https://github.com/lanl-ansi/PowerModelsDistribution.jl)

PowerWaterModelsAnalytics.jl (https://github.com/nrel-siip/watermodelsanalytics.jl)

This notebook was generated using .Literate.jl (https://github.com/fredrikekre/Literate.jl)