Incorporating flexibility options into distribution grid reinforcement planning: A techno-economic framework approach

Sergey Klyapovskiy, Shi You*, Andrea Michiorri, George Kariniotakis, Henrik W. Bindner

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Distributed energy resources (DER) and new types of consumer equipment create many challenges for distribution system operators (DSOs). Power congestions that can potentially be created during normal or contingency situations will lead to increased investments into grid reinforcement. An alternative solution is to use the flexibility provided by the local resources in the grid. In this paper value of flexibility (VoF) is used as an indicator that can be utilized by the DSO to compare it against costs of the different active elements (AEs) providing flexibility services (FSs). The paper proposes flexibility characterization framework that allows to generalize the process of the cost estimations of any AE by using combinations of cost functions. A case study based on an actual distribution grid is provided to demonstrate the potential application of the framework. Results show that by comparing VoF and total cost of the flexibility the most cost-efficient solution could be found.
Original languageEnglish
Article number113662
JournalApplied Energy
Volume254
Number of pages15
ISSN0306-2619
DOIs
Publication statusPublished - 2019

Keywords

  • Active distribution network
  • Flexibility characterization framework
  • Active elements
  • Flexibility services

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