A complete guide to 3 kW rooftop solar — who it suits, how it's installed, and what affects the price.
A 3 kW rooftop solar system typically suits a 3–4 BHK home with a monthly electricity bill in the ₹3,000–5,000 range. It needs roughly 270–300 sq.ft of shade-free roof space and generates approximately 360–390 units per month under typical Lucknow conditions, using around 6 panels of 500–550W each.
Typically ~6 panels of 500–550W, depending on brand and wattage chosen.
A 3 kW-rated on-grid, hybrid or off-grid inverter, matched to your system type.
Sized and specified for your roof type — RCC, tin/metal or tile.
Answer four quick questions — no phone number required to see indicative numbers.
Estimated range only. Never a promised bill. Actual savings depend on site survey, DISCOM rules, sanctioned load, tariff slab and real generation. PM Surya Ghar subsidy slabs as of August 2026 — verify current rate on pmsuryaghar.gov.in.
Golden ACS doesn't publish a fixed 3 kW price online because it depends on panel brand, inverter brand and mounting structure — see Solar Panel Price in Lucknow for the full picture, or request a free site survey for an itemised quote. A 3 kW residential system is eligible for the maximum PM Surya Ghar subsidy of ₹78,000.
Installation of a 3 kW system typically takes 1–2 days once components are on-site. We then handle the DISCOM net metering application so surplus power can be exported to the grid — see our full installation process for the complete timeline.
Pricing for a 3 kW system depends on the panel brand, inverter brand and mounting structure chosen. Use the calculator on this page for an indicative range, or request a free site survey for an exact, itemised quote.
As a rough guide, budget roughly 90–100 sq.ft per kW of panels, though the exact layout depends on shading, orientation and roof shape — confirmed during your site survey.
Under the PM Surya Ghar Muft Bijli Yojana, residential systems can receive ₹30,000 per kW up to 2 kW and ₹18,000 for the 3rd kW, capped at ₹78,000 for 3 kW and above (as of August 2026 — confirm current rate on pmsuryaghar.gov.in, as rates and eligibility can change).
Periodic panel cleaning and an annual health check are typically enough for most residential systems. Ask our team about AMC plans for ongoing coverage.
