Coordinating the Energy Generation of the Brazilian National Hydrothermal Electrical Generating System

L. A. Terry, M. V. F. Pereira, T. A. Araripe Neto, L. F. C. A. Silva and P. R. H. Sales
Additional contact information
L. A. Terry: Centro de Pesquisas de Energia Elétrica - CEPEL, PO Box 2754, Rio de Janeiro, Brazil
M. V. F. Pereira: Centro de Pesquisas de Energia Elétrica - CEPEL, PO Box 2754, Rio de Janeiro, Brazil
T. A. Araripe Neto: Centrais Elétricas Brasileiras S. A.-ELETROBRÁS, PO Box 1639, Rio de Janeiro, Brazil
L. F. C. A. Silva: Centrais Elétricas Brasileiras S. A.-ELETROBRÁS, PO Box 1639, Rio de Janeiro, Brazil
P. R. H. Sales: Centrais Elétricas Brasileiras S. A.-ELETROBRÁS, PO Box 1639, Rio de Janeiro, Brazil

Interfaces, 1986, vol. 16, issue 1, 16-38

Abstract: Coordination of the operation of the large Brazilian multi-owned hydrothermal generating system, at the institutional level, was achieved through a pool structure in which all member utilities share the cost of operating the thermoelectric system. At the technical level, a stochastic dynamic programming model, SDP, determines the optimal allocation of hydro and thermal resources in the system. The SDP model was extensively validated by 18 electrical utilities and officially adopted by the pool in 1979. Comparisons with a previously adopted model projected expected savings of $87 million in five years, a 28 percent reduction in operating costs. Actual savings from 1979 to 1984 are about $260 million. The SDP model is also the focal point of a chain of generation expansion models, insuring that the probabilistic criteria used for planning and the operation of the Brazilian system are compatible.

Keywords: industries:; electric (search for similar items in EconPapers)
Date: 1986
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