Abstract
The worldwide investment in renewable energy sources is leading to the formation of local energy communities in which users can trade electric energy locally. Regulations and the required enablers for effective transactions in this new context are currently being designed. Hence, the development of software tools to support local transactions is still at an early stage and faces the challenge of constant updates to the data models and business rules. The present paper proposes a novel approach for the development of software tools to solve auction-based local electricity markets, considering the special needs of local energy communities. The proposed approach considers constrained bids that can increase the effectiveness of distributed generation use. The proposed method takes advantage of semantic web technologies, in order to provide models with the required dynamism to overcome the issues related to the constant changes in data and business models. Using such techniques allows the system to be agnostic to the data model and business rules. The proposed solution includes the proposed constraints, application ontology, and semantic rule templates. The paper includes a case study based on real data that illustrates the advantages of using the proposed solution in a community with 27 consumers.
Highlights
On 5 June 2019, the European Parliament launched the Directive (EU) 2019/9442 “on common rules for the internal market for electricity and amending Directive 2012/27/EU” [1]
The players are able to specify the conditions of their offers regarding distributed generation, which can sometimes be difficult to model, as the modeled constraints can be conflicting in the search for optimal solutions
The Minimum Income constraint states that if the player’s total income or the price per kWh is below a predefined amount, he must be removed from the pool since he does not want to participate if those conditions are not met
Summary
On 5 June 2019, the European Parliament launched the Directive (EU) 2019/9442 “on common rules for the internal market for electricity and amending Directive 2012/27/EU” [1]. The proposed constrained bids are developed for local market transactions, in order to enable players to improve the potential outcomes from market participation by providing them with the means to incorporate strategic information into their—otherwise straightforward—bids. In this way, the players are able to specify the conditions of their offers regarding distributed generation, which can sometimes be difficult to model, as the modeled constraints can be conflicting in the search for optimal solutions.
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