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Economic and ecological evaluation and optimization of the life cycle of a wind farm

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Abstract

The development and wide spread of wind farms as a favorite and promising source of electrical energy in the world imposes its balanced compatibility with a set of economic, technical and environmental constraints. Manufacturing, installation, transportation, maintenance, and recycling end-of-life materials all contribute to CO2 emissions and lost expenses throughout the life cycle of a wind farm. These operations are the objective of an optimization work which serves to reduce the effect of these constraints on both the economic and ecological aspects of a wind farm. It has, therefore, become essential and urgent to improve the optimal performance, whether on the economic or environmental level, of these installations. With this in mind, the energy and financial success of any wind farm project is determined by a study to optimize sustainable operating efficiency based on the cost per kWh. In this article, we present a complete study on the life cycle of a wind farm in terms of ecological and economic costs. We studied the contributions of each phase of the life cycle in the economic and ecological costs of the wind farm. The intensities of these costs relative to the kilowatt-hour, produced by this source are evaluated and compared with those produced by conventional sources (gas and oil). The results show that the economic cost and the ecological impact are dependent on each phase of the onshore wind life cycle. Our results are presented for two cases, a real functional case and the case of several proposed scenarios applied to the same operating conditions of the real case. For the real case, the economic cost intensity was 0.029 $/kWh, while the environmental impact intensity was 0.012 kg CO2/kWh. The results also show that the manufacturing phase represents the most important contribution in economic and ecological costs in all scenarios including the real case. The lowest cost intensity and CO2 emission intensity are recorded for the 0.85 MW and 3 MW wind turbine classes, respectively.

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Availability of data and materials

The data used in this research are available by the corresponding author upon reasonable request.

Abbreviations

GHG:

Green house gas

LCC:

Life cycle cost

LCA:

Life cycle assessment

CO2 :

Carbon dioxide

ISO:

International Standardization Organization

COP:

Conference of the Parties

T&I:

Transport and installation

O&M:

Operation and maintenance

FC:

Charge factor

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Acknowledgements

All the data used and the academic guidance in this work were provided by Prof. R. Meziane and Dr. D. Raouti, at the Laboratory of Electrotechnical Engineering of the University of saida Dr. Moulay Taher in Algeria.

Funding

The university did'n provides financial support for this study.

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Authors and Affiliations

  1. Electrotechnical Engineering Laboratory, University of Saida, BP 138 ENNASR City, 20000, Saida, Algeria

    A. Tahtah, D. Raouti & R. Meziane

Authors
  1. A. Tahtah
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  2. D. Raouti
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  3. R. Meziane
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Correspondence to A. Tahtah.

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Appendix

Appendix

See Tables 7 and 8.

Table 7 The quantities of materials (tones) use of all components of the wind turbines class
Full size table
Table 8 CO2 emissions factor of a components
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Tahtah, A., Raouti, D. & Meziane, R. Economic and ecological evaluation and optimization of the life cycle of a wind farm. Int. J. Environ. Sci. Technol. 20, 9837–9852 (2023). https://doi.org/10.1007/s13762-023-04784-1

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