A distributed energy generation facilitates the diffusion of energy prosumers and the creation of energy communities. Supportive policies for energy sharing are essential to promote the adoption of energy communities. Recently, the European Union updated its renewable energy policy framework, prompting Member States to revise incentive mechanisms for energy interactions with the grid. In contrast, Canada has yet to introduce formal configurations for energy communities, although preliminary community energy schemes have been piloted in Ontario. This paper aims to identify the most profitable grid-connected energy mechanism for an aggregation of users in an urban neighborhood. The case study examines the implications of two different energy schemes: the Virtual Energy Sharing (VES) incentives available in Italy and the piloted Community Net Metering (CNM) available in Ontario, Canada. The management of energy flows is evaluated in relation to the proposed energy community. Two benefit-sharing mechanisms are tested: one based on the share of the installed PV capacity and the other on the proportion of energy shared with the community. The results highlight the advantages in terms of savings and flexibility with CNM for most of the buildings, with the distribution of benefits depending on the type. However, CNM relies on energy credits that are applicable only to unmet energy demand. While VES can generate direct revenues, it is less economically viable for most buildings and needs additional criteria for revenue redistribution to ensure fairness among members.

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Energy Schemes Towards Energy Communities: Assessment of Frameworks in Italy and Ontario, Canada

  • Francesca Vecchi,
  • Umberto Berardi,
  • Ursula Eicker

摘要

A distributed energy generation facilitates the diffusion of energy prosumers and the creation of energy communities. Supportive policies for energy sharing are essential to promote the adoption of energy communities. Recently, the European Union updated its renewable energy policy framework, prompting Member States to revise incentive mechanisms for energy interactions with the grid. In contrast, Canada has yet to introduce formal configurations for energy communities, although preliminary community energy schemes have been piloted in Ontario. This paper aims to identify the most profitable grid-connected energy mechanism for an aggregation of users in an urban neighborhood. The case study examines the implications of two different energy schemes: the Virtual Energy Sharing (VES) incentives available in Italy and the piloted Community Net Metering (CNM) available in Ontario, Canada. The management of energy flows is evaluated in relation to the proposed energy community. Two benefit-sharing mechanisms are tested: one based on the share of the installed PV capacity and the other on the proportion of energy shared with the community. The results highlight the advantages in terms of savings and flexibility with CNM for most of the buildings, with the distribution of benefits depending on the type. However, CNM relies on energy credits that are applicable only to unmet energy demand. While VES can generate direct revenues, it is less economically viable for most buildings and needs additional criteria for revenue redistribution to ensure fairness among members.