---
title: "Longi Solar vs Vikram Solar - Brand Comparison | ComparePV"
description: "Compare Longi Solar vs Vikram Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/longi-solar-vs-vikram-solar"
image: "https://comparepv.com/og/compare/manufacturers/longi-solar/vikram-solar.png"
---

# Longi Solar vs Vikram Solar

Longi Solar has the broader catalog (255 vs 213 models). Longi Solar leads on peak efficiency at 25.00%. Vikram Solar leans bifacial (76% of lineup).


## The two companies


| Attribute | Longi Solar | Vikram Solar |
| --- | --- | --- |
| Country | China | India |
| Headquarters | Xi'an, Shaanxi | Kolkata |
| Founded | 2000 | 2005 |
| Employees | 37,853 | 1,895 |
| Annual capacity | 85-90 GW/year | 9.5 GW/year |
| Tier 1 | yes | yes |
| Listed | Shanghai Stock Exchange: 601012 | NSE, BSE: VIKRAMSOLR |
| Website | [https://www.longi.com](https://www.longi.com) | [http://www.vikramsolar.com](http://www.vikramsolar.com) |

LONGi Green Energy Technology Co., Ltd. is a world-leading solar technology company that manufactures monocrystalline silicon wafers and modules. The company is committed to providing high-efficiency and reliable clean energy solutions for large-scale power plants, various industries, and households. LONGi aims to be...

Vikram Solar Limited is a leading Indian solar photovoltaic (PV) module manufacturer and solar solutions provider. They offer engineering, procurement, construction (EPC), and operations & maintenance (O&M) services for solar plants. The company manufactures high-efficiency solar PV modules and has a pan-India...


## Catalog & Power


| Measure | Longi Solar | Vikram Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 255 | 213 | +42 |
| Max Power | 670 W | 735 W | +65 W |
| Avg Power | 544 W | 560 W | +16 W |


## Efficiency


| Measure | Longi Solar | Vikram Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 25.00% | 24.80% | +0.20 pp |
| Avg Efficiency | 22.65% | 21.58% | +1.07 pp |


## Reliability & Warranty


| Measure | Longi Solar | Vikram Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.291%/°C | -0.330%/°C | +0.039 |
| Bifacial Share | 101 (40%) | 161 (76%) | +36 pp |
| Avg Warranty | 27.8 yrs | 28.7 yrs | +0.9 yr |


## Efficiency distribution

Longi Solar skews to higher efficiency: 43% of lineup is 23%+


| Efficiency band | Longi Solar | Vikram Solar |
| --- | --- | --- |
| \<20% | 3 (1.2%) | 11 (5.2%) |
| 20-21% | 26 (10.2%) | 42 (19.7%) |
| 21-22% | 47 (18.4%) | 106 (49.8%) |
| 22-23% | 70 (27.5%) | 27 (12.7%) |
| 23%+ | 109 (42.7%) | 27 (12.7%) |


## Power distribution

Vikram Solar offers more 600W+ panels (45% of lineup)


| Power band | Longi Solar | Vikram Solar |
| --- | --- | --- |
| \<400W | 8 (3.1%) | 12 (5.6%) |
| 400-499W | 81 (31.8%) | 54 (25.4%) |
| 500-599W | 70 (27.5%) | 52 (24.4%) |
| 600-699W | 96 (37.6%) | 77 (36.2%) |
| 700W+ | 0 | 18 (8.5%) |


## Cell technology

Dominant cell tech: N-type (42%)

Dominant cell tech: PERC (71%)


| Technology | Longi Solar | Vikram Solar |
| --- | --- | --- |
| N-type | 107 (42.0%) | 36 (16.9%) |
| Unknown | 55 (21.6%) | 0 |
| PERC | 51 (20.0%) | 152 (71.4%) |
| Back Contact | 42 (16.5%) | 6 (2.8%) |
| HJT | 0 | 12 (5.6%) |
| TOPCon | 0 | 7 (3.3%) |


## Top panels, Longi Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [LR7-72HVHF-670M](https://comparepv.com/panel/longi-lr7-72hvhf-670m) | 670 | 24.8 | -0.260 | Monocrystalline |
| 2 | [LR8-66HYD-670M](https://comparepv.com/panel/longi-lr8-66hyd-670m) | 670 | 24.8 | -0.260 | Monocrystalline |
| 3 | [LR7-72HVH-670M](https://comparepv.com/panel/longi-lr7-72hvh-670m) | 670 | 24.8 | -0.260 | Monocrystalline |
| 4 | [LR7-72HVHF-665M](https://comparepv.com/panel/longi-lr7-72hvhf-665m) | 665 | 24.6 | -0.260 | Monocrystalline |
| 5 | [LR7-72HVDF-665M](https://comparepv.com/panel/longi-lr7-72hvdf-665m) | 665 | 24.6 | -0.260 | Monocrystalline |
| 6 | [LR8-66HVD-665M](https://comparepv.com/panel/longi-lr8-66hvd-665m) | 665 | 24.6 | -0.260 | Monocrystalline |
| 7 | [LR8-66HYD-665M](https://comparepv.com/panel/longi-lr8-66hyd-665m) | 665 | 24.6 | -0.260 | Monocrystalline |
| 8 | [LR7-72HVD-665M](https://comparepv.com/panel/longi-lr7-72hvd-665m) | 665 | 24.6 | -0.260 | Monocrystalline |
| 9 | [LR7-72HVH-665M](https://comparepv.com/panel/longi-lr7-72hvh-665m) | 665 | 24.6 | -0.260 | Monocrystalline |
| 10 | [LR7-72HVHF-660M](https://comparepv.com/panel/longi-lr7-72hvhf-660m) | 660 | 24.4 | -0.260 | Monocrystalline |


## Top panels, Vikram Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SURYAVA VSMDH.66.735.05](https://comparepv.com/panel/vikram-solar-suryava-vsmdh-66-735-05) | 735 | 23.7 | -0.260 | Monocrystalline |
| 2 | [SURYAVA VSMDH.66.730.05](https://comparepv.com/panel/vikram-solar-suryava-vsmdh-66-730-05) | 730 | 23.5 | -0.260 | Monocrystalline |
| 3 | [HYPERSOL VSMDH.66.730.05](https://comparepv.com/panel/vikram-solar-hypersol-vsmdh-66-730-05) | 730 | 23.5 | -0.280 | Monocrystalline |
| 4 | [SURYAVA VSMDH.66.725.05](https://comparepv.com/panel/vikram-solar-suryava-vsmdh-66-725-05) | 725 | 23.3 | -0.260 | Monocrystalline |
| 5 | [HYPERSOL VSMDH.66.725.05](https://comparepv.com/panel/vikram-solar-hypersol-vsmdh-66-725-05) | 725 | 23.3 | -0.280 | Monocrystalline |
| 6 | [SURYAVA VSMDH.66.720.05](https://comparepv.com/panel/vikram-solar-suryava-vsmdh-66-720-05) | 720 | 23.2 | -0.260 | Monocrystalline |
| 7 | [HYPERSOL VSMDH.66.AAA.05-720](https://comparepv.com/panel/vikram-solar-hypersol-vsmdh-66-aaa-05-720) | 720 | 23.2 | -0.280 | Monocrystalline |
| 8 | [HYPERSOL VSMDH.66.720.05](https://comparepv.com/panel/vikram-solar-hypersol-vsmdh-66-720-05) | 720 | 23.2 | -0.280 | Monocrystalline |
| 9 | [SURYAVA VSMDH.66.715.05](https://comparepv.com/panel/vikram-solar-suryava-vsmdh-66-715-05) | 715 | 23.0 | -0.260 | Monocrystalline |
| 10 | [HYPERSOL VSMDH.66.715.05](https://comparepv.com/panel/vikram-solar-hypersol-vsmdh-66-715-05) | 715 | 23.0 | -0.280 | Monocrystalline |


## Summary

Longi Solar is a Chinese manufacturer headquartered in Xi'an, founded in 2000, and consistently ranked as a BloombergNEF Tier 1 module producer - a designation that confirms bankability and eligibility for non-recourse project financing. The company's scale is exceptional: it shipped approximately 39.57 GW of modules in the first half of 2025 alone, and its proprietary back-contact cell production capacity is targeted at 50 GW. Longi also holds the distinction of being the only major module supplier currently carrying net cash rather than net debt, which adds an additional layer of financial credibility for long-term project developers. Vikram Solar is an Indian manufacturer founded in 2006 and headquartered in Kolkata, also listed on the BloombergNEF Tier 1 register. After commissioning its 5 GW Vallam facility in Tamil Nadu in late 2025, the company's total module manufacturing capacity reached approximately 9.5 GW, with ambitions to reach 17.5 GW by 2027. In terms of institutional footprint and global reach, Longi Solar is the clear leader.

Longi Solar's product lineup centers on the Hi-MO series. TOPCon-based modules accounted for roughly 70% of shipments in H1 2025, while the company's proprietary HPBC 2.0 back-contact technology - used in the Hi-MO 9 - has demonstrated module efficiencies above 24% in mass production and outperformed standard TOPCon in multiple independent field studies measuring energy yield and levelized cost of energy. These modules address utility-scale, C&I, and residential applications alike. Vikram Solar's Hypersol series targets C&I and utility-scale buyers with n-type bifacial TOPCon modules in the 605-630 W range and efficiencies between 22.38% and 23.30%. For residential installations the company offers the Suryava HJT series, a bifacial heterojunction module with efficiency above 23%, reflecting a deliberate two-technology strategy.

For most international buyers, Longi Solar is the lower-risk default - its volume, supply chain depth, and European distribution infrastructure make procurement and warranty support more straightforward. Vikram Solar is a legitimate Tier 1 alternative and a genuinely compelling option where buyers require non-Chinese-origin panels, for example under procurement rules tied to government tenders or domestic content requirements. Both brands are technically comparable at the Tier 1 level, so the decision often turns on supply availability, origin preferences, and project-specific financing requirements rather than on any fundamental quality gap.

Written by claude-sonnet from the figures above.


## Other comparisons

- [Longi Solar vs A.B. Energy](https://comparepv.com/longi-solar-vs-a-b-energy)
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- [Longi Solar vs AEET](https://comparepv.com/longi-solar-vs-aeet)
- [AIKO vs Vikram Solar](https://comparepv.com/aiko-vs-vikram-solar)
- [Longi Solar vs AKCOME](https://comparepv.com/longi-solar-vs-akcome)
- [ARTsolar vs Vikram Solar](https://comparepv.com/artsolar-vs-vikram-solar)


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Source: https://comparepv.com/longi-solar-vs-vikram-solar

Not in this file, on the page: the distributions above drawn as charts.