Critical Time Windows for Renewable Resource Complementarity

Critical Time Windows for Renewable Resource Complementarity AssessmentMathias Berger a,1,∗ , David Radu a,1 , Rapha¨ el Fonteneau a , Robin Henry a , Mevludin Glavic a , Xavier Fettweis b ,Marc Le Du c , Patrick Panciatici c , Lucian Balea c , Damien Ernst aa Department of Electrical Engineering and Computer Science, University of Li` ege, All´ ee de la D´ ecouverte 10, 4000 Li` ege, Belgiumb Laboratory of Climatology, Department of Geography, University of Li` ege,Belgiumc R&D Departmentcritical resource, R´ eseau de Transport d’Electricit´ e (RTE), FranceAbstractThis paper proposes a systematic framework to assess the complementarity of renewable resources over arbitrary geo-graphical scopes and temporal scales which is particularly well-suited to exploit very large data sets of climatologicaldata。

The concept of critical time windows is introduced, and a spatio-temporal criticality indicator is proposed, con-sisting in a parametrised family of scalar indicators quantifying the complementarity between renewable resources inboth space and time。 The criticality indicator is leveraged to devise a family of optimisation problems identifying setsof locations with maximum complementarity under arbitrary geographical deployment constraints。 The applicabilityof the framework is shown in a case study investigating the complementarity between the wind regimes in continentalwestern Europe and southern Greenland,and its usefulness in a power system planning context is demonstrated。

Besidesshowing that the occurrence of low wind power production events can be signif i cantly reduced on a regional scale byexploiting diversity in local wind patternscritical resource, results highlight the fact that aggregating wind power production sites locatedon dif f erent continents may result in a lower occurrence of system-wide low wind power production events and indicatepotential benef i ts of intercontinental electrical interconnections。Keywords: variable renewable energy, smoothing ef f ect, resource complementarity, critical time windows, criticalityindi。。。

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