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Dust steals output quietly. A small habit protects it.
Image: Fanny House Farm solar farm - geograph.org.uk - 4848700 by Ian Taylor, CC BY-SA 2.0, via Wikimedia Commons.
Dust, pollen, construction dust and bird droppings settle on panels and cut output, particularly in the dry months. Solar dust and cleaning in Raipur is a small routine that protects a large investment.
Quick answer: wash panels every three to four weeks in dry months with soft water and a soft cloth, in the early morning, and never when they are hot.
| Season | Dust level | Action |
|---|---|---|
| Feb - Jun | High | Clean every 3 - 4 weeks |
| Jul - Sep | Low | Rain helps; clear leaves |
| Oct - Nov | Moderate | One thorough wash after the monsoon |
| Dec - Jan | Low to moderate | Check for fog residue and droppings |
Compare daily generation before and after a wash on similar sunny days. If output rises noticeably, you have found your cleaning interval. Read the cleaning schedule guide and solar maintenance in Raipur.
Large roofs may justify a service contract. Ask what water, tools and safety gear the cleaners use, and request photographs after each visit.
Measure generation on two clear days of similar sunshine, one before cleaning and one after. If the clean-day output is 8 per cent higher, you have found your soiling loss. Repeat in different seasons. A system generating 4,300 units a year might lose several hundred units to dust if never washed.
| Dust loss | Units lost per year (3 kW) | Action |
|---|---|---|
| 2 per cent | About 86 | Wash twice a year |
| 5 per cent | About 215 | Wash monthly in dry season |
| 10 per cent | About 430 | Wash every 3 weeks in dry season |
| 15 per cent | About 645 | Wash every 2 - 3 weeks and check dust sources |
A home system needs perhaps 20 to 40 litres per wash. Avoid hard water that leaves marks; a squeegee helps. Professional cleaners charge by capacity, and many offer annual contracts. Ask for photographs and a signed visit report.
The shortest path to a good decision is: read about solar in Raipur, check how PM Surya Ghar Yojna in Raipur and solar subsidy in Raipur apply to you, shortlist firms with the top 10 solar companies in Raipur method, test them against the best solar company in Raipur questions and ask a solar company in Raipur about solar installation in Raipur. Local detail for solar Raipur is in our city guide. You can also browse the solar blog, our solar services, the Gupta Agro Solar home page or contact us for a free survey.
A few per cent after a couple of weeks and 10 to 20 per cent in dusty, dry months if never cleaned.
Every three to four weeks in the dry season and after storms; rain helps in the monsoon.
Yes, with soft water and cloth; avoid high-pressure jets and abrasive pads.
No, clean in the early morning or evening when panels are cool.
Roof access has risks; use safe ladders and consider a professional.
Visit C-29, Sector 3, Devendra Nagar, Raipur, Chhattisgarh 492001, call 083051 31420 or send your details online for a free site survey and a written quotation with the subsidy worked out.