Parsing the Effects of Wind and Solar Generation on the German Electricity Trade Surplus

Germany has experienced rapid growth in its renewable electricity generation capacity in the past fifteen years. This development has been accompanied by a drop in wholesale electricity prices and significant net export surpluses. This situation has given rise to discussions in policy circles concer...

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Main Authors: Samarth Kumar, David Schönheit, Matthew Schmidt, Dominik Möst
Format: Article
Language:English
Published: MDPI AG 2019-09-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/12/18/3434
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author Samarth Kumar
David Schönheit
Matthew Schmidt
Dominik Möst
author_facet Samarth Kumar
David Schönheit
Matthew Schmidt
Dominik Möst
author_sort Samarth Kumar
collection DOAJ
description Germany has experienced rapid growth in its renewable electricity generation capacity in the past fifteen years. This development has been accompanied by a drop in wholesale electricity prices and significant net export surpluses. This situation has given rise to discussions in policy circles concerning the drivers behind these dynamics. The paper at hand empirically analyzes historical cross-border commercial flows (CBCF) of electricity from Germany by applying a Ridge Regression model to parse the effects of the growing shares of renewable energy capacity on the commercial electricity exchange between 2012 and 2016. In case of PV, the fraction of PV generation (marginal effect of PV on export) that is exported correlates positively with the level of PV generation. However, the marginal effect of wind on export is negatively correlated with the level of wind generation. A possible explanation for this finding as it relates to wind feed-in could involve the high degree to which the grid is constrained at times of high wind penetration.
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spelling doaj.art-22e76160784e4a6585852e8c2cc8560c2022-12-22T02:53:06ZengMDPI AGEnergies1996-10732019-09-011218343410.3390/en12183434en12183434Parsing the Effects of Wind and Solar Generation on the German Electricity Trade SurplusSamarth Kumar0David Schönheit1Matthew Schmidt2Dominik Möst3Chair of Energy Economics, Technische Universität Dresden, Münchner Platz 3, 01069 Dresden, GermanyChair of Energy Economics, Technische Universität Dresden, Münchner Platz 3, 01069 Dresden, GermanyChair of Energy Economics, Technische Universität Dresden, Münchner Platz 3, 01069 Dresden, GermanyChair of Energy Economics, Technische Universität Dresden, Münchner Platz 3, 01069 Dresden, GermanyGermany has experienced rapid growth in its renewable electricity generation capacity in the past fifteen years. This development has been accompanied by a drop in wholesale electricity prices and significant net export surpluses. This situation has given rise to discussions in policy circles concerning the drivers behind these dynamics. The paper at hand empirically analyzes historical cross-border commercial flows (CBCF) of electricity from Germany by applying a Ridge Regression model to parse the effects of the growing shares of renewable energy capacity on the commercial electricity exchange between 2012 and 2016. In case of PV, the fraction of PV generation (marginal effect of PV on export) that is exported correlates positively with the level of PV generation. However, the marginal effect of wind on export is negatively correlated with the level of wind generation. A possible explanation for this finding as it relates to wind feed-in could involve the high degree to which the grid is constrained at times of high wind penetration.https://www.mdpi.com/1996-1073/12/18/3434commercial cross-border exchangerenewable generationelectricity prices
spellingShingle Samarth Kumar
David Schönheit
Matthew Schmidt
Dominik Möst
Parsing the Effects of Wind and Solar Generation on the German Electricity Trade Surplus
Energies
commercial cross-border exchange
renewable generation
electricity prices
title Parsing the Effects of Wind and Solar Generation on the German Electricity Trade Surplus
title_full Parsing the Effects of Wind and Solar Generation on the German Electricity Trade Surplus
title_fullStr Parsing the Effects of Wind and Solar Generation on the German Electricity Trade Surplus
title_full_unstemmed Parsing the Effects of Wind and Solar Generation on the German Electricity Trade Surplus
title_short Parsing the Effects of Wind and Solar Generation on the German Electricity Trade Surplus
title_sort parsing the effects of wind and solar generation on the german electricity trade surplus
topic commercial cross-border exchange
renewable generation
electricity prices
url https://www.mdpi.com/1996-1073/12/18/3434
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