4 tips to buy best solar panel
4 tips to buy best solar panel
Buying Solar panels could be the single best decision that you have made not only environmentally but also financially. Rural Solar Power Company in uttar pradesh. The cost and technology improvements are slowly making solar power plants a viable option not only for large institutions but also for individual buyers. Give yourself a pat on the back for this decision. The next big question is to chose the specific brand of solar panel. There are a large number of companies selling solar components and for a novice this could be a very confusing decision to make, since solar entails a huge one time investment. The final decision will depend upon a lot of factors such as your power needs and a reliable solar partner, who would not only be there to help you with your installation needs but also be around to serve its warranty.
Though it is important to study the technical parameters of a solar panel, the foremost step is to study about the fundamental aspects of the solar panel. Installing a solar system involves a huge amount of investment and it is a lifetime decision for your property. It is therefore, important to think on all lines. Metrics such as efficiency, warranty, temperature coefficient and durability will go a long way in deciding the number of panels required and the vendor, which will in turn determine the total capital expenditure.
Let’s check out a few leading solar panel brands in India, on the basis of the above mentioned factors.
#1. Efficiency
The efficiency of a solar panel is calculated by the amount of sunlight it converts into electricity per unit of area. If a solar panel is more efficient the overall efficiency of the rooftop solar system also increases. Efficiency of panels play a major role in the effective working of the whole solar system and hence prudence must be applied while choosing the same. A more efficient solar panel results in lesser number of panels to be installed and hence will entail less capital outflow.
Tier 1 Chinese players like Trina Solar announced average efficiency of 17.8% for its industrially produced P-type monocrystalline cells while SunPower boasts of achieving new 24.1% solar panel efficiency record.
How to calculate efficiency of solar panel -
In below image, we have given formula about how can you calculate an efficiency solar module?
Here, we are taking an example of Loom Solar 350 Watt Mono Panel,
BEST SOLAR PANELS BY EFFICIENCY
#2. Warranty
Choosing a solar panel based on warranty is important as many companies might not be around to honour their promise later. The solar companies are facing constant challenge in the form of declining prices of products and many of the smaller players are finding it difficult to sustain. Solar panels are a long-term investment and customers want to work with a bankable partners, hence warranty plays an important role in determining who will be the solar panel seller.
BEST SOLAR PANELS BY WARRANTY
#3. Temperature Coefficient
While sunlight is important for the proper functioning of solar panels very high temperatures can lead to degradation. Temperature coefficient is measured as the effect of high temperatures on functioning of solar panels. The lower the temperature coefficient, the better.
Let's know about temperature coefficient,
- Power will drop,
- Voltage will drop, and
- Current will increase
- Power will increase,
- Voltage will increase, and
- Current will decrease
BEST SOLAR PANELS BY TEMPERATURE COEFFICIENT
#4. Durability
The durability of a panel is estimated by its strength to endure heavy rains, hailstorms, high winds, excessive pressure, etc. Solar Panels in different countries undergo different stress test under varied environment conditions and external pressure. These panels are then given ratings by rating agencies in order for customers to compare and choose from.
BEST SOLAR PANELS BY DURABILITY
Manufacturer Frame Size Loom Solar 40 * 35 mm Waaree 25 * 35 mm Tata Power Solar 25 * 35 mm Luminous 25 * 35 mm LivGuard 25 * 35 mm Vikram Solar 25 * 35 mm UTL 25 * 35 mm Renesys 25 * 35 mm Adani 25 * 35 mm
| Manufacturer | Frame Size |
| Loom Solar | 40 * 35 mm |
| Waaree | 25 * 35 mm |
| Tata Power Solar | 25 * 35 mm |
| Luminous | 25 * 35 mm |
| LivGuard | 25 * 35 mm |
| Vikram Solar | 25 * 35 mm |
| UTL | 25 * 35 mm |
| Renesys | 25 * 35 mm |
| Adani | 25 * 35 mm |
Some of the Best Selling Solar Panels in 2022
1. Shark Bifacial 445W /550W Solar Panel
Shark - It is the super Hi-efficiency series of solar panels manufactured by Loom Solar. Shark Bi-facial is a solar panel that produces power from the front and backside. The guaranteed generation is 445 watt at STC while Bi-facial technology has the tendency to produce 20% more power.
| Panel | Type | Maximum Power (watts) | Maximum Efficiency | Product Warranty | Dimension (mm) |
| Shark Series | Mono Perc | 440W/550W | 22% | 25 years | 2278 x 1133 x 40 mm |
| Loom 200W | Mono Perc | 200W | 22% | 25 years | 1495 x 670 x 35 mm |
| Loom 125W | Mono Perc | 125W | 22% | 25 years | 1020x665x35 mm |
| Loom 75W | Mono Perc | 75W | 22% | 25 years | 775 x 665 x 35 mm |
| Loom 50W | Mono Perc | 50W | 22% | 25 years | 430 x 665 x 35 mm |
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