Competitiveness Between Small Wind Energy Conversion Systems and Power Distribution Networks Expansions

I.J. Ramírez-Rosado (Spain), V. Miranda (Portugal), L.A. Fernández-Jiménez, E. García-Garrido, P.J. Zorzano-Santamaria (Spain), C. Monteiro, and M. Sousa (Portugal)


optimal planning, renewable energy, wind energy conversion systems, geographical information systems.


A methodology and suitable models, based on geographical information systems (GISs), for the economical evaluation of competitiveness between small wind energy conversion systems (WECSs) and electric power distribution networks (PDNs) expansions, is presented in this paper. In each geographical point, the selected power supply system (small WECS or PDN) leads to the lowest annual energy economical cost for supplying electric power to the electric load associated to such point. The methodology and the models have been applied to La Rioja (Spain) as a part of an original tool developed in a main research project (sponsored by Spanish authorities and European Union funds). The competitiveness of the WECSs for supplying remote areas is illustrated in the computer results. Furthermore, the WECSs installation, with subsidies policies, is a better economical alternative for areas near to power distribution networks.

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