A 3-5kW on-grid solar power plant offered by VJK Enterprises in Lucknow, Uttar Pradesh, using solar panels in the 540-620W range from leading brands including Waaree, Tata, Adani, Premier, and Oswal. On-grid systems in this size range are commonly installed on residential rooftops and are eligible for the PM Surya Ghar central subsidy. The vendor specifies approximately 23.5% module efficiency and a 25-30 year warranty.