Overcoming Duck Curve & Peak shaving using Energy Storage
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Transcript of 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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