Optimal Contract Pricing of Distributed Generation in Distribution Networks

Autor(es)

Maria Lopez-Lezama, Jesus ^[1] ; Padilha-Feltrin, Antonio ^[2] ; Contreras, Javier ^[3] ; Ignacio Munoz, Jose ^[3]

Afiliação do(s) autor(es)

^[1] Univ Antioquia, Grp Efficient Energy Management GIMEL, Medellin - Colombia

^[2] Univ Estadual Paulista UNESP, Ilha Solteira, SP - Brazil

^[3] Univ Castilla La Mancha, ETS Ingn Ind, E-13071 Ciudad Real - Spain

• Tipo de documento: Artigo Científico
• Fonte: IEEE Transactions on Power Systems; v. 26, n. 1, p. 128-136, FEB 2011.
• Citações Web of Science: 50

Resumo

This paper proposes a bilevel programming approach to determine the optimal contract price of dispatchable distributed generation (DG) units in distribution systems. Two different agents are considered in the model, namely, the distribution company (DisCo) and the owner of the DG. The former seeks the minimization of the payments incurred in attending the forecasted demand, while the latter seeks the maximization of his profit. To meet the expected demand, the DisCo has the option to purchase energy from any DG unit within its network and directly from the wholesale electricity market. A traditional distribution utility model with no competition among DG units is considered. The proposed model positions the DG owner in the outer optimization level and the DisCo in the inner one. This last optimization problem is substituted by its Karush-Kuhn-Tucker optimality conditions, turning the bilevel programming problem into an equivalent single-level nonlinear programming problem which is solved using commercially available software. Tests are performed in a modified IEEE 34-bus distribution network. (AU)

• Processo FAPESP: 07/07041-3 - Análise de tensão e de perdas elétricas em sistemas de distribuição de energia elétrica
• Beneficiário: Antonio Padilha Feltrin
• Linha de fomento: Auxílio à Pesquisa - Regular