Impact of advanced electricity tariff structures on the optimal design, operation and profitability of a grid-connected PV system with energy storage

Abstract The increasing penetration of residential photovoltaics (PV) comes with numerous challenges for distribution system operators. Technical difficulties arise when an excess of PV energy is injected into the grid, causing voltage rise or overloading of the lines. Economic challenges appear bec...

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Main Authors: Lionel Bloch, Jordan Holweger, Christophe Ballif, Nicolas Wyrsch
Format: Article
Language:English
Published: SpringerOpen 2019-09-01
Series:Energy Informatics
Subjects:
Online Access:http://link.springer.com/article/10.1186/s42162-019-0085-z
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author Lionel Bloch
Jordan Holweger
Christophe Ballif
Nicolas Wyrsch
author_facet Lionel Bloch
Jordan Holweger
Christophe Ballif
Nicolas Wyrsch
author_sort Lionel Bloch
collection DOAJ
description Abstract The increasing penetration of residential photovoltaics (PV) comes with numerous challenges for distribution system operators. Technical difficulties arise when an excess of PV energy is injected into the grid, causing voltage rise or overloading of the lines. Economic challenges appear because PV owners and consumers are not participating equally in the grid costs. Indeed, PV owners benefit by self-consuming their PV production and by gaining additional revenues when they sell their PV surplus to the grid. Hence, they lower their grid costs. In this paper, we propose a mixed-integer-linear programming approach to solve the design and operation of a PV and battery system efficiently. We use this tool to benchmark five different tariff scenarios, which include real-time pricing, a capacity-based tariff, and a block rate tariff, and evaluate their effect on the design and operation of the system. Carefully tailored metrics show the impact of these tariff structures on the trade-off between the economic viability of privately owned energy systems and their grid usage intensity. Considering both aspects, we show that a block rate tariff is the most promising approach and that capacity-based tariffs rely on PV curtailment alone to curtail the generation peaks.
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spelling doaj.art-f0fecdd67ebb4903b7b8f8f62f4849032022-12-22T00:59:22ZengSpringerOpenEnergy Informatics2520-89422019-09-012S111910.1186/s42162-019-0085-zImpact of advanced electricity tariff structures on the optimal design, operation and profitability of a grid-connected PV system with energy storageLionel Bloch0Jordan Holweger1Christophe Ballif2Nicolas Wyrsch3École Polytechnique Fédérale de Lausanne (EPFL), Institute of Microengineering (IMT), Photovoltaics and thin film electronics laboratory (PV-LAB)École Polytechnique Fédérale de Lausanne (EPFL), Institute of Microengineering (IMT), Photovoltaics and thin film electronics laboratory (PV-LAB)École Polytechnique Fédérale de Lausanne (EPFL), Institute of Microengineering (IMT), Photovoltaics and thin film electronics laboratory (PV-LAB)École Polytechnique Fédérale de Lausanne (EPFL), Institute of Microengineering (IMT), Photovoltaics and thin film electronics laboratory (PV-LAB)Abstract The increasing penetration of residential photovoltaics (PV) comes with numerous challenges for distribution system operators. Technical difficulties arise when an excess of PV energy is injected into the grid, causing voltage rise or overloading of the lines. Economic challenges appear because PV owners and consumers are not participating equally in the grid costs. Indeed, PV owners benefit by self-consuming their PV production and by gaining additional revenues when they sell their PV surplus to the grid. Hence, they lower their grid costs. In this paper, we propose a mixed-integer-linear programming approach to solve the design and operation of a PV and battery system efficiently. We use this tool to benchmark five different tariff scenarios, which include real-time pricing, a capacity-based tariff, and a block rate tariff, and evaluate their effect on the design and operation of the system. Carefully tailored metrics show the impact of these tariff structures on the trade-off between the economic viability of privately owned energy systems and their grid usage intensity. Considering both aspects, we show that a block rate tariff is the most promising approach and that capacity-based tariffs rely on PV curtailment alone to curtail the generation peaks.http://link.springer.com/article/10.1186/s42162-019-0085-zMILPPhotovoltaicBatteryTariff design
spellingShingle Lionel Bloch
Jordan Holweger
Christophe Ballif
Nicolas Wyrsch
Impact of advanced electricity tariff structures on the optimal design, operation and profitability of a grid-connected PV system with energy storage
Energy Informatics
MILP
Photovoltaic
Battery
Tariff design
title Impact of advanced electricity tariff structures on the optimal design, operation and profitability of a grid-connected PV system with energy storage
title_full Impact of advanced electricity tariff structures on the optimal design, operation and profitability of a grid-connected PV system with energy storage
title_fullStr Impact of advanced electricity tariff structures on the optimal design, operation and profitability of a grid-connected PV system with energy storage
title_full_unstemmed Impact of advanced electricity tariff structures on the optimal design, operation and profitability of a grid-connected PV system with energy storage
title_short Impact of advanced electricity tariff structures on the optimal design, operation and profitability of a grid-connected PV system with energy storage
title_sort impact of advanced electricity tariff structures on the optimal design operation and profitability of a grid connected pv system with energy storage
topic MILP
Photovoltaic
Battery
Tariff design
url http://link.springer.com/article/10.1186/s42162-019-0085-z
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AT christopheballif impactofadvancedelectricitytariffstructuresontheoptimaldesignoperationandprofitabilityofagridconnectedpvsystemwithenergystorage
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