Compare 3 verified cleaning & AMC providers in Kolkata. Free quotes.
| Service | Typical price in Kolkata | Best for |
|---|---|---|
| One-time cleaning (per panel) | ₹15–₹30 | Small residential systems |
| Monthly cleaning AMC | ₹2,500–₹4,000 / kW / year | Dusty regions, commercial rooftops |
| Quarterly cleaning AMC | ₹1,500–₹2,500 / kW / year | Most residential (5 kW+) |
| Full AMC (clean + inspection + inverter) | ₹3,000–₹6,000 / kW / year | Systems past warranty |
Prices vary by rooftop accessibility, cleaning frequency, and whether panels are on a shed vs slope roof.
Strand Rd, Fairley Place, B.B.D. Bagh, Kolkata, West Bengal 700001, India
90 DEGREES Magnus, Y-19, Street Number 15, EP Block, Sector V, Bidhannagar, Kolkata, West Bengal 700091, India
Bldg, 2nd, Floor 2nd Bldg, 2/5, Sarat Bose Rd, Sreepally, Sukhsagar, Kolkata, West Bengal 700020, India
Compare 2–3 verified cleaning providers. No spam.
3 verified installers will call you back · Free service
Solar panel cleaning in Kolkata typically costs ₹15–₹30 per panel for a one-time clean, or ₹1,500–₹4,000 per kW per year for an annual AMC. Rates depend on system size, roof accessibility, and cleaning frequency (monthly vs quarterly).
Most Indian rooftops need cleaning every 30–60 days. Dusty regions (Rajasthan, north-west India) and areas near construction need monthly cleaning. Coastal cities need cleaning every 2–3 months due to salt deposition. During monsoon, rain cleans panels naturally but you should inspect for streaks and bird droppings.
Yes — dusty panels can lose 15–30% of their power output in Indian conditions. A 5 kW system generating ₹18,000/month of electricity can lose ₹3,000–₹5,000/month worth of generation if not cleaned regularly. Cleaning pays for itself in 1–2 months.
You can, but professional cleaning is safer and more effective. Rooftop work has fall risk, and using tap water or the wrong cleaning agent can leave mineral deposits that reduce panel output. Professionals use deionised water, soft brushes, and proper safety harnesses.
Yes. Most solar AMC providers in Kolkata offer annual contracts covering monthly or quarterly cleaning, panel inspection, wiring checks, and inverter servicing. Typical AMC cost is ₹1,500–₹4,000 per kW per year.
© 2026 GoSolarIndex. All rights reserved.