Abstract
The increasing costs of electricity and the difficulties to expand the power generation capacity, as well as the need for increasing the energy security levels, have enhanced the potential benefits of the electric interconnection among countries and the formation of sub-regional energy markets.
In this context, this paper identifies some sustainable and technically feasible alternatives for electric exchange through interconnections among the electric systems of Bolivia, Chile, Colombia, Ecuador and Peru. In particular, we assess such interconnections from an economic perspective and identify the main barriers for their development. The analysis is carried out at the pre-feasibility level from both private and social point of views, based on the assessment of different investment alternatives in the transmission systems among the aforementioned countries. The modeling of the different future economic operation conditions for each one of the considered electric systems, and for each one of the assessed scenarios, is a central element of the analysis.
The work reported in this paper was partially funded by the United Nations Development Program (UNDP) through a grand associated to the project “Estudio para Análisis de Prefactibilidad Técnico Económica de Interconexión Eléctrica entre Bolivia, Chile, Colombia, Ecuador y Perú (Study for the Technical-Economic Pre-feasibility Analysis of Electric Interconnection among Bolivia, Chile, Colombia, Ecuador, and Peru)”
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Notes
- 1.
The operational margin of a generator corresponds to the difference between the revenues due to the sale of electricity (valued at the respective injection nodes) and the operation costs of each generation power plant.
- 2.
A detailed description of these long-term analysis results is available in [7].
- 3.
As it is usual in energy economics, we assume hydroelectric power plants operate at zero marginal cost.
- 4.
The scenarios labeled “base NGs”, “1 NGs”, “2 NGs” and “3 NGs” correspond to the equivalent scenarios base, 1, 2 and 3, but incorporating the natural gas prices sensitivity (i.e., using the opportunity costs of natural gas as the natural gas prices).
- 5.
The scenarios labeled “base NGs”, “1 NGs”, “2 NGs” and “3 NGs” correspond to the equivalent scenarios base, 1, 2 and 3, but incorporating the natural gas prices sensitivity (i.e., using the opportunity costs of natural gas as the natural gas prices).
References
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United Nations Development Program (UNDP) (2010) “Estudio para Análisis de Prefactibilidad Técnico Económica de Interconexión Eléctrica entre Bolivia, Chile, Colombia, Ecuador y Perú (Study for the Technical-Economic Pre-feasibility Analysis of Electric Interconnection among Bolivia, Chile, Colombia, Ecuador, and Peru)”. January, 2010. Available upon request
Acknowledgements
The authors thanks the valuable comments of Carlos Ferruz, Juan Liu, Andy Garcia, Pia Bravo, Manuel Maiguashca and the comments received during the four meetings organized by the United Nations Development Program (UNDP) in the context of the UNDP project “Estudio para Análisis de Prefactibilidad Técnico Económica de Interconexión Eléctrica entre Bolivia, Chile, Colombia, Ecuador y Perú” [7].
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Sauma, E., Jerardino, S., Barria, C., Marambio, R., Brugman, A., Mejía, J. (2012). Electric Interconnections in the Andes Community: Threats and Opportunities. In: Sorokin, A., Rebennack, S., Pardalos, P., Iliadis, N., Pereira, M. (eds) Handbook of Networks in Power Systems I. Energy Systems. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-23193-3_14
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