OICC Press International Journal of Energy and Environmental Engineering 2251-6832 13 2 (June 2022) 2021 12 27 Correction to: Economic evaluation of the life cycle of a wind farm and improving the levelized cost of energy in region Champagne-Ardenne, France 10.1007/s40095-021-00469-y EN Abdelouahab Zaoui Electro-Technical Engineering Laboratory, Faculty of Technology, University of Saida, Saïda, DZ Department of Electrical Engineering, University of Saida, Saïda, DZ Rachid Meziane Electro-Technical Engineering Laboratory, Faculty of Technology, University of Saida, Saïda, DZ Department of Electrical Engineering, University of Saida, Saïda, DZ Eric Chatelet Charles Delaunay Institute, LM2S/STMR, CNRS, University of Technology of Troyes, Troyes, FR Fatiha Lakdja Intelligent Control and Electric Power System Laboratory (ICEPS), Djillali Liabes University of Sidi-Bel-Abbes, Sidi Bel Abbes, DZ Department of Electrical Engineering, University of Saida, Saïda, DZ Nacef Tazi Charles Delaunay Institute, LM2S/STMR, CNRS, University of Technology of Troyes, Troyes, FR Youcef Bouzidi Charles Delaunay Institute, LM2S/STMR, CNRS, University of Technology of Troyes, Troyes, FR Journal Article 2021 12 27