Avaliação da eficiência de distribuidoras de energia elétrica aplicando Self-Organizing Map e Data Envelopment Analysis (Evaluating Electricity Distributors Efficiency Using Self-Organizing Map and Data Envelopment Analysis)

Gustavo Naciff de Andrade (gnandrade@id.uff.br), Laura Araújo Alves (laura_alves_aa@yahoo.com.br), Carlos Eduardo Ribeiro Flora da Silva (cadu.flora@gmail.com), João Carlos C.B. Soares de Mello (jcsmello@producao.uff.br)


Universidade Federal Fluminense
This paper appears in: Revista IEEE América Latina

Publication Date: Dec. 2014
Volume: 12,   Issue: 8 
ISSN: 1548-0992


Abstract:
This paper presents an alternative approach to the one developed by the Brazilian National Agency of Electric Energy (ANEEL) for analysis of efficient operating costs of electricity distributors. The approach adopted by the agency clusters distributors by the magnitude of the market, applying an input-oriented Data Envelopment Analysis (DEA) model in two stages in which the second phase is used to adjust the efficiency considering environmental variables of each concession area. The aim of this paper is to use Self-Organizing Map (SOM) for grouping the distributors with similar environmental variables of the concession areas and later, to assess the distributors efficiency, through the same first stage DEA model performed by ANEEL. This approach eliminates the DEA second stage procedure, presenting a new way of analyzing distributors efficiencies.

Index Terms:
Data envelopment analysis, electricity distributors, self-organizing map   


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