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A buyer's guide to solar module jargon.
Image: Ground mounted solar panels.gk by Grendelkhan, CC BY-SA 4.0, via Wikimedia Commons.
Choosing modules for solar in Raipur means translating a lot of jargon. Here is what mono, poly, PERC and TOPCon mean for price and performance.
Quick answer: buy a mainstream mono PERC or TOPCon module from a reputable brand with DCR certification and a strong performance warranty.
| Feature | Poly | Mono PERC | Mono TOPCon |
|---|---|---|---|
| Efficiency | Lower | Good | Higher |
| Cost | Lowest | Moderate | Moderate to high |
| Heat performance | Fair | Good | Better |
| Degradation | Higher | Moderate | Lower |
| Availability | Declining | Widespread | Growing |
If your roof is small, higher efficiency lets you fit more kW. If space is plentiful, the cheaper standard module may be the better value. See solar panel types in Raipur.
Read panel efficiency and heat in Chhattisgarh.
Raipur's summers push cell temperatures far above the 25 degrees used for ratings. A module with a temperature coefficient of minus 0.29 per cent per degree loses less in heat than one at minus 0.38. On a 60-degree cell, that is a difference of several per cent in output during the hottest hours. Over a year the gap is smaller, but it is free performance for choosing a better datasheet.
| Coefficient | Loss at 60 C cell (35 degrees above rating) |
|---|---|
| -0.29 %/C | About 10 per cent |
| -0.34 %/C | About 12 per cent |
| -0.38 %/C | About 13 per cent |
Bifacial modules collect light on both faces. They help on ground-mounted systems with reflective ground and open space, and on some flat roofs with white coating. On a dark roof with panels flush on the surface, the benefit is small. Ask for the expected gain and the extra cost before agreeing.
Mainstream mono with strong warranty. For a method to compare providers, see how to build your own list of the top 10 solar companies in Raipur. To act on it, book a survey with a solar company in Raipur and ask for the solar subsidy in Raipur to be worked out in writing. Compare firms with the best solar company in Raipur questions, check PM Surya Ghar Yojna in Raipur for the slabs and see how solar installation in Raipur works. Our solar in Raipur overview and solar Raipur guide add local detail, and the blog has more.
Mono is more efficient and now the standard in new installations.
A newer cell design with better efficiency and lower degradation.
Yes, a lower temperature coefficient means less loss in Raipur summers.
For subsidised systems, yes; confirm with your vendor.
Only if roof space is limited or warranty terms are clearly better.
Visit C-29, Sector 3, Devendra Nagar, Raipur, Chhattisgarh 492001, call 083051 31420 or send your details online for a free survey and a written quotation, with the subsidy worked out. Our solar installation in Raipur team replies the same working day.
Next, talk to a solar company in Raipur about solar installation in Raipur. Our solar in Raipur guide explains costs, the solar Raipur guide covers your area and the best solar company in Raipur checklist helps you choose. For PM Surya Ghar Yojna in Raipur and solar subsidy in Raipur, we manage registration, approvals and the claim. Quick links: best solar company in Raipur, solar company in Chhattisgarh, solar for home in Raipur, PM Surya Ghar Yojana in Raipur and solar pump in Raipur. Browse every article on the solar blog, or see our solar services.