Modul anyanwụ, nke a makwaara dị ka ogwe anyanwụ, mejupụtara ọtụtụ mkpụrụ ndụ fotovoltaic (PV) na-ejide ike anyanwụ wee gbanwee ya ka ọ bụrụ ọkụ eletrik.A na-ejikarị silicon ma ọ bụ ihe ndị ọzọ na-emepụta ihe na-emepụta mkpụrụ ndụ ndị a, ha na-arụkwa ọrụ site n'ịnara foton site na ìhè anyanwụ, nke na-ahapụ electrons ma mepụta ọkụ eletrik.Igwe ọkụ eletrik nke modul anyanwụ na-emepụta bụ ụdị nke ugbu a kpọmkwem (DC), nke enwere ike ịgbanwe ya na alternating current (AC) site na iji inverters ka e wee jiri ya mee ihe n'ụlọ na azụmahịa.