Overcoming Duck Curve & Peak shaving using Energy Storage

OvercomingDuckCurve&PeakshavingusingEnergyStorage

AllEnergy2016,MelbourneConvention&ExhibitionCentre

Melbourne,Oct5,2016

Dr RavinderSoinMidnightEnergyPtyLtd

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1. SolarPV– DisruptiveTechnology

2. Consequencesofdisruption– Duck

Curve?

3. OvercomingDuckCurvewithEnergy

Storage

4. Otheropportunitiesforpeakshaving

5. Q&A

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Outline

SolarPV– DisruptiveTechnology

FRVMoore56MWp SolarFarm,NSW,Australia

MWScalePVProjects– increasedpenetration2003+

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Q-Cells,91MWGermany Existing:338MWpPlanned:20plants,740MWp

AGL102MWp SolarFarm,Nyngan,NSW,Australia

DistributedPowerSystems– ResidentialandCommercialRoofTop

SolarPV– DisruptiveTechnology

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Source:GTMResearch

SolarPV– DisruptiveTechnology

Global700GWby2020

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SolarPV– DisruptiveTechnology

AustraliaSnapshotQ3-2016

Totalinstalled5.4GWNationalAvg 18%withPV,Max40%

Density: 30%Capacity: 1586MW

29%683MW

23%623MW

AustralianPVInstitute(APVI)SolarMap,fundedbytheAustralianRenewableEnergyAgency,accessedfrompv-map.apvi.org.auon26September2016.

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15%1301MW

SolarPV– DisruptiveTechnology

Australiaforecast– AEMO2016to2036

Source:AEMO– NATIONALELECTRICITYFORECASTINGREPORT,JUNE2016 7

Source:http://reneweconomy.com.au/2016/wind-and-solar-become-new-base-load-power-for-south-australia-993648

(1)AfterNorthernbrowncoalgeneratorshutdown;(2)PVsubstantialcontribution~680MW

Australia– SouthAustralia– TheChampionState~45%RE

SolarPV– DisruptiveTechnology

Consequencesofdisruption– DuckCurve

ConsequencesofDisruption- California

Source:CaliforniaISO9

ConsequencesofDisruption– Californiaà CameltoDuck

Challenge:ManagetheDuckpriorto2020Targets

Source:http://www.vox.com/2016/2/10/10960848/solar-energy-duck-curve10

Consequencesofdisruption– DuckCurve

Source:https://energyathaas.wordpress.com/2016/05/02/the-duck-has-landed/11

TheDuckhaslandedin2016– 4yearsearly

Consequencesofdisruption– DuckCurve

Germany– overgeneration andmaintainingstability

ConsequencesofDisruption– HighRE

Load~45GWdaytime– Wind>20GW,Solar~10GWà Conventionalpower~10GWfor15hoursat“halfmustrun”levelforstability

Source:www.energy-charts.de12

ConsequencesofDisruption– PV

SouthAustralia– willachieveDuckCurveby2018(estimate)

13Source:http://reneweconomy.com.au/2013/rooftop-solar-reshapes-energy-market-in-south-australia-18272

305MW

ConsequencesofDisruption– PV

SouthAustralia– DuckCurveby2024-25– PV

14Source:http://reneweconomy.com.au/2015/rooftop-solar-to-cut-total-grid-demand-to-zero-in-south-australia-32943

RooftopPVcontributionà AEMOmediumgrowthforecast

overgeneration

ConsequencesofDisruption

SouthAustralia– Yin&YangofWindPower&SolarPV- Prices

15Source:http://www.wattclarity.com.au/2015/09/yin-and-yang-of-wind-in-the-south-australian-region-of-the-national-electricity-market/

ConsequencesofDisruption– PV

16Source:

Queensland– alreadyshowingDuck’sbellyin2014

1800MWrampuptomeeteveningpeakload

ConsequencesofDisruption

17Source: Energex DistributionAnnual PlanningReport2015/16- 2019/20,Volume1

Queensland– Energex2015– Currimundi

ConsequencesofDisruption

18Source: Energex DistributionAnnual PlanningReport2015/16- 2019/20,Volume1

Queensland– Energex2015and2025(forecast)

ConsequencesofDisruption– PV

Ø Higherpenetrationofrenewablesintheelectricalnetworkrequiresolutionstominimisevariability,stabilise thegrid&priceandensurereliabilityacrossthenetwork(generationtocustomer’send).

Ø DuckCurve(mainlyduetoPV)tendtocause:q Overgenerationq Significantramp-upneedtowardseveningpeakq Pricespikesandvolatility– SouthAustralia– especially

asRErampsdownandgasrampsup.ØMajorchangesintheenergymarketsrequiresnewbusinessmodel andsolutions

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FlatteningtheDuck– LongandShorttermsolutions

OvercomingDuckCurve

Targetedefficiency Managewaterpumping

Controlelectricwaterheaters

IcestorageforCommercialAC

Tariffdesign

Peakorientedrenewables

Demandresponse

Inter-regionalpowerexchange

Source:Lazar,J.(2016).Teachingthe“Duck”toFly,SecondEdition.Montpelier,VT:TheRegulatoryAssistanceProject;http://www.raponline.org/document/download/id/7956 20

Australia– InterconnectorsinNEM(WA&NTexcluded)OvercomingDuckCurve

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Terranora(Qld-NSW)107/210MW

Heywood(SA-Vic)460MW

Murraylink (SA-Vic)200/220MW

CapacitylimitationsThermalconstraintsExpensiveupgrades

QNI(Qld-NSW)600/1078MW

Vic-NSW1600/1350MW

BassLink594/478MW

ShortTerm&ImmediateSolutions

Ø EnergyStorage

Ø Others:q Energyefficiency:LEDlightstoreduceeveningpeakq WestfacingrooftopPVor1-axisEWtrackingq Peak-hourWaterheatermanagement– Heatpumpsq WaterandWastewaterpumpsoperationduringoff

peakorhighPVoutputq DemandResponseManagement

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OvercomingDuckCurve

Fixed,Westand1-axisEWtrackingSolarPVsystem

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UOQ630kW

OvercomingDuckCurve

Eveningloadpeakshaving

Peak-hourWaterheatermanagement– Heatpumps/IceStorage– Costeffectivesolutionscheaperthanbattery

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OvercomingDuckCurve

Peak-hourWaterheatermanagement– Heatpumps/IceStorage– Costeffectivesolutionscheaperthanbattery

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OvercomingDuckCurve

RooftopPV+BatteryStorage– 2025

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OvercomingDuckCurve

DemandResponseMechanism

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OvercomingDuckCurve

Source: www.transpower.co.nz/projects/demandresponse

Theduckisflying– SolarImpulse!Q/A?

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