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State-of-art review on regulation for distributed generation integration in distribution systems
KTH, School of Electrical Engineering (EES), Electric Power Systems.
KTH, School of Electrical Engineering (EES), Electric Power Systems.
KTH, School of Electrical Engineering (EES), Electric Power Systems.ORCID iD: 0000-0002-8189-2420
2012 (English)Conference paper (Refereed)
Abstract [en]

Integration of distributed generation (DG) into distribution networks may affect many different factors, such as network reliability, voltage quality and network planning. Network regulation, therefore, is needed to provide the distribution system operators (DSOs) with fair business, meanwhile protecting the consumers and producers from any potential exploitation by the DSOs because of their monopoly situation. EU Member States have implemented different regulations, but there is no consensus yet as to what is the most appropriate mechanism for a successful and efficient integration of DG in distribution grids. This paper reviews the state-of-art of the regulatory frameworks for the integration of DG in some EU countries, and methods to model the regulation impact on DG integration in distribution systems. For each regulatory scheme, the main critical issues concerning DG integration are identified.

Place, publisher, year, edition, pages
Keyword [en]
Distributed generation, Distribution networks, Network regulation, State-of-art Review
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-98775DOI: 10.1109/EEM.2012.6254769ScopusID: 2-s2.0-84866785216OAI: diva2:538946
9th International Conference on the European Energy Market, EEM 12;Florence;10 May 2012through12 May 2012

QC 20130115

Available from: 2012-07-02 Created: 2012-07-02 Last updated: 2015-10-09Bibliographically approved
In thesis
1. Impact of Economic Regulation on Distributed Generation Integration in Electricity Distribution Grids
Open this publication in new window or tab >>Impact of Economic Regulation on Distributed Generation Integration in Electricity Distribution Grids
2015 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Energy policies in favor of a larger adoption of renewable energy sources for electricity production purposes and the significant progress of several renewable technologies are among the main drivers behind an increasing integration of distributed generation (DG) in distribution networks.

DG affects distribution network planning and operation and, consequently, higher or lower network costs than in a traditional passive network scenario arise.

Two main complementary tools for an efficient integration of DG have been identified in this thesis: (i) a sound economic regulation of Distribution System Operators (DSOs) for taking into account DG-driven potential costs and accordingly remunerating DSOs, and (ii) network tariff design, in order to allocate network costs and re-distribute potential benefits to different grid users.

Distribution economic regulations vary from country to country with grid characteristics and regulatory customs. In order for Regulators to promote the integration of DG units according to policy objectives, the potential impact of DG on the different distribution costs needs to be analyzed and quantitatively assessed: in this thesis, these objectives are achieved by using a novel model that combines the technical characteristics of distribution grids with the regulatory details specific of each regulation.

Once computed, DSOs' total allowed revenue is allocated to different users' categories according to the adopted tariff structures. This thesis focuses on the challenges arising within the traditional paradigm of distribution tariff design when an increasing amount of DG is connected to the grids. In particular, the consequences of DG exemption from distribution tariffs and the application of load-tailored tariff schemes to DG are investigated, both from a qualitative and quantitative point of view; cross subsidies between consumers and DG owners are computed by applying a cost causality principle.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2015. xi, 90 p.
TRITA-EE, ISSN 1653-5146 ; 2015:75
Distributed generation, distribution economic regulation, regulatory impact, distribution tariff design, cost allocation methodologies, cross subsidies
National Category
Engineering and Technology
Research subject
Electrical Engineering
urn:nbn:se:kth:diva-174342 (URN)978-91-7595-715-9 (ISBN)
Public defence
2015-11-02, F3, Lindstedtsvägen 26, KTH, Stockholm, 10:00 (English)

The Doctoral Degrees issued upon completion of the programme are issued by Comillas Pontifical University, Delft University of Technology and KTH Royal Institute of Technology. The invested degrees are official in Spain, the Netherlands and Sweden, respectively. QC 20151009

Available from: 2015-10-09 Created: 2015-10-05 Last updated: 2015-10-09Bibliographically approved

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