Northern Solar Holdings Bhd Group is principally involved in the EPCC of solar PV systems, Generation of renewable energy, and O&M of solar PV equipment and systems. Its EPCC of solar PV systems involves the provision of engineering design and planning, procurement and supply, construction, installation, testing, and commissioning of solar PV systems for commercial, industrial, and residential buildings. The Group owns, operates, and maintains rooftop solar PV systems that generate and sell electricity to NEM and SELCO consumers in Peninsular Malaysia. Its O&M of solar PV equipment and systems involves providing O&M services for solar PV equipment and systems installed in commercial, industrial, & residential buildings. The majority of revenue is derived from the EPCC of solar PV systems.