Collaborating Smart Solar-powered Microgrids

Svein Hallsteinsen CIVIS dissemination workshop

Stockholm September 22nd 2016

Outline

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•  Mo+va+on•  CoSSMicconcept•  Prototypingandevalua+on•  Challenges/remedies•  Equipment

Solar-poweredmicrogrids

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•  BuildingwithrooforfaçademountedPVpanels•  possiblywithstoragebaDery•  connectedtothepublicgrid•  containinganumberofelectricenergyconsuming

devices

Problem

4 DemandProdu

c+on

•  LocallydeployedPVpanelsisanimportantelementinthetransis+ontoafutureenergysupplysystembasedonrenewableenergysources

•  Howeverthefluctua+ngnatureoftheoutputfromsuchpanelsisachallengelimi+ngtheachievablelevelofbothselfconsump+onandselfsufficiency

•  Fluctua+ngRESandEVchargingarechallengingforthepublicgrid

Solu+on

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DemandProdu

c+on

•  LoadshiLing(e.g.dishwasher,washingmachine,heatpump,aircondi+oner,electriccar,…)

•  Localenergystorage(baDeries,supercapacitors)

CoSSMicapproach

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•  Smart:AutomatethecontrolofenergyconsumingtasksInthehouseinaccordancewithrulesandconstraintssetbythehouseinhabitantsandpredictedweathercondi+ons,consump+onprofilesandgridprices

•  Collabora+ng:Exploitthevaria+oninenergyconsump+onpaDernsbetweenbuildingsinaneighbourhoodbycoordina+ngloadshiLingandtheuseofstoragecapaci+es

•  Encouraging:Providingfeedbackencouragingtheop+maluseofthesystem

•  Decentralised:Notrequiringcentralauthority•  Lowthreshold:LowcostHW,opensourceSW,easytoinstallanduse,uses

exis+ngcommunica+oninfrastructure,learnsconsump+onprofiles.

InternetCloud

Benefits

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•  Increasedselfconsump+on,andthusreducedelectricpowerbillandincreasedRoI

•  ImprovedROIoninvestmentsinlocalPVsystems•  Reducedpeakdemandtothepublicpowergrid

andthustheneedforpeakcapacityinthegridandtheneedfor(carbonbased)backuppowergenera+oncapacity

•  Reducedpeakfeed-in•  Abilitytopar+cipateinDRschemes•  Withlesstotalstoragecapacity

Evalua+onbytrialsandsimula+on

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•  Buildprototype•  Collectdataovera1yeartrialperiodwithprototype

systeminopera+onin2trialneighbourhoods,–  oneinKonstanz(Germany),20buildings–  oneinCaserta(Italy),5buildings–  privatehouses,schools,officebuildings,smallindustry

buildings,electricvehichles

•  Simula+onbasedoncollecteddataof–  alterna+veneighbourhoodconfigura+ons–  alterna+vedimensioningandmoun+ngofsolarpanelsand

baDeries–  alterna+vepricingmodels

ProvinciadiCaserta

Challenges

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•  Peakshavingnotrewardedincurrenttariffs

•  Sharingthebenefitsamongtheneighbours

•  Useracceptance•  Changinguser

behaviour•  Inaccurateweather,

andthusPVoutput,predic+on

•  Inadequatedevicecontrolinterfaces

•  Proposemoresuitabletariffsfortheexchangewiththepublicgridandthesharingofbenefitsamongneighbours

•  Usercentricdesign•  Automa+on•  Lowthresholdtechnology•  Morefrequentforecast

updates

•  Remotelycontrollabledevicesappearingonthemarketnow

•  Standardisa+on

Remedies

KeyFacts

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•  Startdate: October2013•  Dura+on: 39months•  Totalbudget: 4.2m€•  Coordinator: SINTEF,Norway•  Funding: ECunderFP7PPPEnergy

EfficientBuildings•  Website:hDp://cossmic.eu

Consor+um

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ProvinciadiCaserta

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ThankyouforyouraDen+on!

Ques+ons?

Moreinforma+on:hDp://cossmic.eu