Keywords: مناطق در حال توسعه; Solar home system; LED lamps; Developing regions; Techno-economic assessment; iHOGA modeling; AC; Alternating Current; CdTe; Cadmium-Telluride; CIGS; Copper Indium Gallium Selenide; CRI; Color Rending Index; c-Si; crystalline silicon; DC; Direct Current;