1. Introduction
The LONGi 550W solar panel is among the most demanded options in Pakistan due to its balance of price, efficiency, and durability. In 2025, it is widely used in both residential and commercial solar systems, especially for net-metering setups approved by NEPRA and local DISCOs.
Explore more about Solar Panels in Pakistan.
2. Why LONGi 550W Solar Panels Are Popular
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High wattage output (550W) makes them suitable for medium to large systems.
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Known for strong durability and 25-year performance warranties.
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Excellent efficiency, especially in high-temperature conditions common in Pakistan.
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Widely approved for net metering across all major DISCOs.
Learn about Net Metering and Solar Systems.
3. Specs & Selection Tips
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Wattage: 550W
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Panel Type: Monocrystalline (Mono PERC technology)
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Efficiency: 20% to 21.7% depending on batch and variant
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Dimensions: Approx. 2.2m × 1.1m per panel
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Weight: Around 27kg
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Compatibility: Works with grid-tied and hybrid inverters from Inverex, Huawei, Dynex, Growatt, KSTAR, GoodWe
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Suitable for both residential rooftops and commercial solar farms.
Check out the Best Solar Panels for your Needs.
4. Estimated Price in Pakistan (2025)
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Per Watt Price: ₨ 28 – 31
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Price per Panel: ₨ 15,400 – 17,000 (for 550W)
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Complete 5kW system with LONGi 550W panels: ₨ 800,000 – 1,000,000 including inverter and installation
5. Pros & Cons
| Pros | Cons |
|---|---|
| High efficiency and durability | Slightly higher cost vs. Jinko or JA Solar |
| Strong global reputation and after-sales support | Heavier panels require professional installation |
| Excellent for net metering systems | Counterfeits exist in the local market |
| 25-year performance warranty | Needs adequate rooftop space |
Learn more about Solar Panel Pros & Cons.
6. DISCO Notes (Pakistan 2025)
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Net Metering: Approved by all major DISCOs (LESCO, IESCO, GEPCO, FESCO, etc.)
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Installer Requirement: Must use a NEPRA-licensed installer to file the application.
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Documentation: Datasheets and invoices required for DISCO submission.
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Capacity Limits: 3kW to 1MW systems are eligible under NEPRA’s net-metering policy.
Learn more about Net Metering Policies.
7. FAQs
Q1: What is the price of LONGi 550W solar panels in Pakistan 2025?
A1: Between ₨ 15,400 and ₨ 17,000 per panel.
Q2: How many LONGi 550W panels are needed for a 5kW system?
A2: About 9–10 panels.
Q3: Are LONGi 550W panels eligible for net metering?
A3: Yes, fully approved across all major DISCOs.
Q4: What is the warranty on LONGi solar panels?
A4: 10–12 years product warranty and up to 25 years performance warranty.
Q5: What is the efficiency of LONGi 550W panels?
A5: Around 20–21.7%.
Explore Detailed FAQs on Solar Panels.
8. Installation Basics
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Calculate daily and monthly energy needs.
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Ensure rooftop space of around 250–300 sq. ft. for a 5kW system.
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Select a net-metering compliant inverter (hybrid or on-grid).
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Apply for net metering with a NEPRA-approved installer.
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Install panels, inverter, and bi-directional meter.
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Test system and activate warranty.
Read Our Complete Installation Guide.
9. Warranty & After-Sales
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Product Warranty: 10–12 years
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Performance Warranty: 25 years (linear output guarantee)
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Inverters: 5–10 years depending on brand
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Installer Support: Most authorized dealers handle paperwork and warranty registration.
10. Conclusion
The LONGi 550W solar panel remains one of the best solar panel options in Pakistan (2025) for households and businesses. With prices ranging between ₨ 15,400–17,000 per panel, it offers high efficiency, strong durability, and full compatibility with net-metering policies.
It is ideal for those seeking a balance of price, performance, and long-term reliability.