A Mathematical Modeling for Contract Flexibility Optimization by Brazilian Free Consumers

In Brazil, free consumers must follow the criteria established by Law 9.074/95 and participate in the Free Contracting Environment (ACL), regulated by Decree 5.163/04, together with energy generators, traders, importers and exporters. These free consumers can choose and negotiate their energy purcha...

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Bibliographic Details
Published in:Revista IEEE América Latina 2020-09, Vol.18 (9), p.1530-1537
Main Authors: Takigawa, Fabricio Yutaka Kuwabata, Scuzziato, Murilo Reolon, Tenfen, Daniel, Fernandes, Rubipiara Cavalcante
Format: Article
Language:English
Subjects:
Brazilian energy environments
Consumers
Contract terms
Contracts
Electricity consumption
Energy
Energy costs
energy environment
energy purchase contract
Fines & penalties
Flexibility
free consumer
Free Contraction Environment
IEEE transactions
Indexes
Industries
Mathematical analysis
Mathematical model
Mathematical models
Mixed Integer Linear Problem
Optimization
Security
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Summary:In Brazil, free consumers must follow the criteria established by Law 9.074/95 and participate in the Free Contracting Environment (ACL), regulated by Decree 5.163/04, together with energy generators, traders, importers and exporters. These free consumers can choose and negotiate their energy purchase contracts (energy volumes, contract terms, prices, flexibilization and financial guarantees) with the other agents connected to the interconnected Brazilian grid. However, free consumers must have 100% of its energy contracted to avoid exposure to the short-term market and possible penalties, among others points. It is noteworthy that free consumers in Brazil are usually large industries and use electricity energy only to manufacture their products. In this sense, they are totally averse to contractual risks and penalties and seek the ACL only to obtain financial reductions with the same contractual security as the regulated market. In this sense, the main objective of this work is to model the mathematical optimization problem for contract flexibility optimization by free consumer in the ACL, minimizing the energy cost to meet its demand.
ISSN:1548-0992
1548-0992
DOI:10.1109/TLA.2020.9381794