The present paper describes a model of wind energy conversion system (WECS) for hydrogen production by water electrolysis in the region of Hassi R`mel (South of Algeria). developed under Simulink environment. The amounts of hydrogen produced using a WECS were considered as a case study for the three different sites of Hassi R`mel. Telghemt. and Delaa located in the region of Hassi R`mel. The results showed that Telghemt and Hassi Delaa sites have significant wind potential with average wind speeds exceeding 9 m s at 25 m height. The dominant hydrogen production is occurred for the site of Telghemt. approximately 49286 Nm during favorable month (April).