Abstract
Abstract: In 2012, the Federal Government announced a reduction of around 18% of the electric energy tariff going to the consumer. It was up to the National Electric Energy Agency (ANEEL) to create a model that led to the reduction projected by the authorities. To reach this level, the Ministry of Mines and Energy proposed that the electric power transmission concessions be renewed in advance, according to new rules (MP 579/2012 and Law 12.783/2013). An important part of the new rules was the calculation of efficient operational cost through Data Envelopment Analysis - DEA, a methodology already used by ANEEL in two tariff reviews. The objective of this article was to study the evolution of the efficient operational cost calculation models adopted at these times. This analysis showed that ANEEL still needs to promote improvements in the modeling to better represent the operational reality of the concessionaires and eradicate the need for adjustments that reduce the reliability and transparency of the process.
Highlights
The Brazilian electricity sector is divided into generation, transmission and distribution of energy
The National Electricity Agency (ANEEL) is an autarchy linked to the Ministry of Mines and Energy and, according to information gathered on its website, its mission is to provide favorable conditions for the electric energy market to develop with a balance between agents and for the benefit of society
Due to the importance of the sector for the economy of a country and the economic impact of this last adopted model, studying the different models developed by the Brazilian regulator from 2007 to date is the first step to understand the complexity of the regulation of the revenues of the concessionaires of transmission of Brazilian electric energy
Summary
The Brazilian electricity sector is divided into generation, transmission and distribution of energy. Due to the importance of the sector for the economy of a country and the economic impact of this last adopted model, studying the different models developed by the Brazilian regulator from 2007 to date is the first step to understand the complexity of the regulation of the revenues of the concessionaires of transmission of Brazilian electric energy This historical and critical analysis of the models used is the main objective of this article, in which the models used in each tariff review and in 2012 will be discussed in detail, observing that here the methodology for the review of operational costs and not the methodology for calculating the remuneration of assets will be analyzed. The article is subdivided into the following parts: Introduction, a brief contextualization of the research topic; Theoretical Framework, where the literature review is made for theoretical background on the subjects studied; Methodology, which refers to the methodological procedures adopted in the research; Evolution of the Benchmarking Process in the Regulation of the Brazilian Electric Power Transmission Sector; Comments on Respect of the Current Model, a critical analysis of the model adopted in the renewal of the concessions; and Final Considerations, with specific comments on the research carried out
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