Modelo de optimización para definir subsidios intrínsecos en distribución eléctrica
Date
2014-06
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Universidad Nacional de Colombia. Sede Manizales. Grupo de Investigación en Potencia, Energía y Mercados - GIPEM
Abstract
En el presente trabajo se desarrolla un modelo de optimización para identificar subsidios intrínsecos entre grupos de usuarios que exhiben características de consumo y distributivas diferentes, definiendo su costo de acceso a las redes de distribución eléctrica. Las características de consumo son traducidas por la elasticidad demanda precio del servicio de acceso a redes. Las características distributivas se presentan
desde un desarrollo auxiliar al modelo, que conduce a una variante de los denominados precios Ramsey, incorporando en su estructura un parámetro que traduce el impacto distributivo. La solución es tomada de forma indicativa para plantear el apartamiento “óptimo” del vector de precios en cada segmento del mercado residencial, respecto del costo propio de distribución (CPD). Al contrario de lo adoptado en la práctica regulatoria, un CPD constante, el modelo propuesto arrojará un Vector CPD, cuyos componentes difieren en los segmentos identificados, permitiendo subsidios entre los mismos atendiendo a las características mencionadas.
In this work a new optimization model to determine intrinsic subsidies to assign different network access prices in an electric distribution system (eds), to obtain access tariff for residential consumers, including distributive equity considerations, is presented. The optimization is based in an alternative approach of the Ramsey pricing, but the basic expression finally obtained is used only as indicative application in the model. Beside the demand-price elasticity, the distributive characteristics are introduced by mean of and distributive impact parameter, defined in the model construction. in the regulatory practice, for each eds the distribution cost (dc) is constant. From the model proposed, each segment of consumers that can be defined by its demand and distributive characteristics, results in a different dc. for this reason, the proposed approach has the capacity to define intrinsic subsidies between the segments of residential consumers that can be identified depending on structure of EDS in study.
In this work a new optimization model to determine intrinsic subsidies to assign different network access prices in an electric distribution system (eds), to obtain access tariff for residential consumers, including distributive equity considerations, is presented. The optimization is based in an alternative approach of the Ramsey pricing, but the basic expression finally obtained is used only as indicative application in the model. Beside the demand-price elasticity, the distributive characteristics are introduced by mean of and distributive impact parameter, defined in the model construction. in the regulatory practice, for each eds the distribution cost (dc) is constant. From the model proposed, each segment of consumers that can be defined by its demand and distributive characteristics, results in a different dc. for this reason, the proposed approach has the capacity to define intrinsic subsidies between the segments of residential consumers that can be identified depending on structure of EDS in study.
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Keywords
Optimización, Distribución eléctrica, Peajes, Impacto distributivo, Costo propio de distribución, Optimization, Electric distribution system, Network access prices, Distributive impact, Distribution cost
Citation
Energética (43): 75-86 (2014)
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