Custos totais no modelo de eficiência das distribuidoras de energia brasileiras: uma análise Total costs in the brazilian efficiency model of energy distribuidors: an analysis

Authors

  • Sandra de Sousa Xavier
  • Robinson Semolini

DOI:

https://doi.org/10.34115/basr.v2i5.557

Keywords:

Regulação por incentivos, Benchmarking, Distribuição de Energia Elétrica, Data Envelopment Analysis – DEA, Stochastic Frontier Analysis – SFA

Abstract

Este artigo analisa a eficiência das distribuidoras de energia elétrica no Brasil, considerando os custos totais. O impacto da inclusão dessa variável é avaliado através de quatro diferentes modelos de eficiência, empregando as metodologias DEA (Data Envelopment Analysis) e SFA (Stochastic Frontier Analysis). A aplicação foi conduzida com dados de uma amostra de 60 distribuidoras divididas em dois períodos: 2008 a 2010 para cálculo da fronteira de eficiência e 2011 a 2012 para validação da metodologia. Os resultados mostraram que em média os custos totais estimados pelos métodos de benchmarking foram aproximadamente 7% menores do que o praticado em 2011 e 2012, ou seja, as distribuidoras necessitariam reduzir em média aproximadamente R$ 40 milhões/ano dos seus custos totais.

 

References

Aigner, D., Lovell, C. A. K., Schimidt, P. “Formulation and estimation of stochastic frontier production function”. Journal of Econometrics, v. 6, n. 1, p. 21-37, 1977.

Altoé, A. V., Júnior, N. C., Lopes, A. L. M., Veloso, T. R. M., Saurin, V. “Technical efficiency and financial performance in the Brazilian distribution service operators”. Socio-Economic Planning Sciences, 2017.

ANEEL. Nota Técnica nº 407/2014-SRE/ANEEL. Folha 8. Brasília, 04 de dezembro de 2014

ANEEL. Nota Técnica nº 66/2015-SRM/SGT/ANEEL Brasília, 24 de abril de 2015.

Averch, H., Johnson, L. L. “Behavior of the firm under regulatory constraint”. American Economic Review, vol. 52, no. 5, pp. 1052-1069, 1962.

Banker, R. D., Charnes, R. F., Cooper, W. “Some Models for Estimating Technical and Scale Inefficiencies in Data Envelopment Analysis”. Management Science, vol. 30, pp. 1078–1092, 1984.

Bogetoft, P., Otto, L. “Benchmarking with DEA, SFA, and R”. Springer Science & Business Media, 2011.

Cambini, C., Croce, A., Fumagalli, E. “Output-based incentive regulation in electricity distribution: Evidence from Italy”. Energy Economics, vol. 45, pp. 205-216, 2014.

Cambini, C., Fumagalli, E., Rondi,L. “Incentives to quality and investment: evidence from electricity distribution in Italy”. Journal of Regulatory Economics, vol.49, no. 1, pp.1-32, 2016.

Charnes, A., Cooper, W., Rhodes, E. “Measuring the efficiency of decision-making units”, European Journal of Operational Research, vol. 2, no. 6, pp. 429-444, 1978.

Coelli, T. “An introduction to efficiency and productivity Analysis”. Springer, 2005.

Coelli, T., Crespo, H., Paszukiewicz, A., Perelman, S., Plagnet, M., Romano, E. “Incorporating Quality of Service in Benchmarking Model: An Application to French Electricity Distribution Generators”, 2008. Disponível em: http://www.infraday.tu-berlin.de

Corton, M. L., Zimmermann, A., Phillips, M. "The low cost of quality improvements in the electricity distribution sector of Brazil". Energy Policy, vol. 97, pp. 485-493, 2016.

Costa, M. A., Lopes, A. L. M., Matos, G. B. B. P. “Statistical evaluation of Data Envelopment Analysis versus COLS Cobb–Douglas benchmarking models for the 2011 Brazilian tariff revision”. Socio-Economic Planning Sciences, vol. 49, pp. 47-60, 2015.

Cullmann, A., Nieswand, M. “Regulation and investment incentives in electricity distribution: An empirical assessment”. Energy Economics, vol.57, pp.192-203, 2016.

Ergas, H., Small, J. “Price Caps and Rate of Return Regulation”. Network Economics Consulting Group, 2001.

Giannakis, D., Jamasb, T., Pollitt, M. “Benchmarking and incentive regulation of quality of service: an application to the UK electricity distribution networks”. Energy Policy, vol. 33, no. 17, pp. 2256-2271, 2005.

Gil, D. R., Costa, M. A., Lopes, A. L. M., Mayrink, V. D. “Spatial statistical methods applied to the 2015 Brazilian energy distribution benchmarking model: Accounting for unobserved determinants of inefficiencies”. Energy Economics, vol.64, pp.373-38, 2017.

Growitsch, C., Jamasb, T., Muller, C., Wissner, M. “Social cost-efficient service quality - Integrating customer valuation in incentive regulation: Evidence from the case of Norway”. Energy Policy, vol. 38, pp. 2536–2544, 2010.

Growitsch, C., Jamasb, T., Pollitt, M. “Quality of service, efficiency and scale in network industries: an analysis of European electricity distribution”. Applied Economics, vol. 41, n. 20, pp. 2256-2570, 2009.

Haney, A. B., Pollitt, M. G. “Efficiency Analysis of Energy Networks: An International Survey of Regulators”, Energy Policy, vol. 37, no. 12, pp. 5814-5830, 2009.

Jamasb, T., Pollitt, M. “Benchmarking and regulation: international electricity experience”, Utilities Policy, vol. 9, no. 3, pp. 107-130, 2001.

Jamasb, T., Pollitt, M. “International benchmarking and regulation: An application to European electricity distribution utilities”. Energy Policy, v. 31, no. 15, 2003.

Kirschen, R. Allan, G. Strbac. “Contributions to Individual Generators to Loads and Flows”. IEEE Transactions on Power Systems, vol. 12, no. 1, pp. 52-60, 1997.

Lowry, M. N., Getachew, L. “Statistical benchmarking in utility regulation: Role, standards and methods”. Energy Policy, vol. 37, no. 4, pp. 1323-1330, 2009.

Martirosyan, A.T., Kwoka, J. “Incentive regulation, service quality, and standards in U.S. electricity distribution”. Journal of Regulatory Economics, vol. 38, no. 3, pp 258–273, 2010.

Meeusen, W., Broeck, J. V. D. “Efficiency estimation from cobb-douglas production functions with composed error”. InternationalEconomicReview, v. 18, n. 2, p. 435-444, 1977.

Mesquita, R. B. “Regulação de Tarifas de Distribuição de Energia Elétrica: uma análise comparativa entre reguladores europeus e latino-americanos”. Tese de Doutorado, Universidade Federal de Minas Gerais, 2017.

Pollitt, M. “The role of efficiency estimates in regulatoryprice reviews: Ofgem’s approach to benchmarking electricity networks”. Utilities Policy, vol. 13, no. 4, pp. 279-288, 2005.

Poudineh, R., Jamasb, T. “A New Perspective: Investment and Efficiency under Incentive Regulation”. The Energy Journal, vol. 36, no. 4, pp. 241-263, 2015.

Poudineh, R., Jamasb, T. “Determinants of investment under incentive regulation: The case of the Norwegian electricity distribution networks”. Energy Economics, vol.53, p.193-202, 2016.

Semolini, R. “Eficiência dos Custos Operacionais das Empresas de Distribuição de Energia Elétrica no Brasil”. Tese de Doutorado, Universidade Estadual de Campinas, 2014.

Xavier, S. S., Lima, J. W. M., Lima, L. M., Lopes, A. L. M. “Howefficient are the Brazilian Electricity Distribution companies?” Journal of Control, Automation and Electrical System, vol. 26, pp. 283–296, 2015.

Yu, W., Jamasb, T., Pollitt, M. “Does weather explain cost and quality performance? An analysis of UK electricity distribution companies”. Energy Policy, vol. 37, no. 11, pp. 4177-4188, 2009.

Published

2018-10-08

Issue

Section

Artigos originais