Modeling Economic Sharing of Joint Assets in Community Energy Projects under LV Network Constraints

Sonam Norbu, Benoit Couraud, Valentin Robu, Merlinda Andoni, David Flynn

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)
97 Downloads (Pure)


The trend of decentralization of energy services has given rise to community energy systems. These energy communities aim to maximize the self-consumption of local renewable energy generated and stored in assets that are typically connected to low-voltage (LV) distribution networks. Energy community schemes often involve jointly owned assets such as community-owned solar photo-voltaic panels (PVs), wind turbines and/or shared battery storage. This raises the question of how these assets should be controlled in real-time, and how the energy outputs from these jointly owned assets should be shared fairly among heterogeneous community members. Crucially, such real-time control and fair sharing of energy must also consider the technical constraints of the community, such as the local LV network characteristics, voltage limits and power ratings of electric cables and transformers. In this paper, we design and analyze a heuristic-based battery control algorithm that considers the influence of battery life degradation, and the resultant increase in local renewable energy consumption within local operating constraints of the LV network. We provide a model that first studies the techno-economic benefits of community-owned versus individually-owned energy assets considering the network/grid constraints. Then, using the methodology and principles from cooperative game theory, we propose a redistribution model for benefits in a community based on the marginal contribution of each household. The results from our study demonstrate that the redistribution mechanism is fairer and computationally tractable compared to the existing state-of-the-art methods. Thus, our methodology is more scalable with respect to modeling the economic sharing of joint assets in community energy systems.
Original languageEnglish
Pages (from-to)112019-112042
Number of pages24
JournalIEEE Access
Publication statusPublished - 9 Aug 2021


  • Battery degradation model
  • coalitional game theory
  • community energy storage
  • community vs individual energy assets
  • energy community
  • energy sharing mechanism
  • low-voltage network
  • network constraints
  • self-consumption

ASJC Scopus subject areas

  • General Computer Science
  • General Materials Science
  • General Engineering


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