Abstract The current work was performed a techno-economic analysis of 5-kWp capacity hybrid-connected solar system installed on the roof house at Diyala province, Iraq (33.77° N, 45.14° E, elevation 44 m). rooftop PV consists 18 polycrystalline modules 355 W each, an energy storage consisting 8 batteries 150 Ah, 12 V, and intelligent inverter capacity. string output load sharing between output,...