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

# Longi Solar vs Talesun

Longi Solar has the broader catalog (255 vs 144 models). Longi Solar leads on peak efficiency at 25.00%. Talesun leans bifacial (59% of lineup).


## The two companies


| Attribute | Longi Solar | Talesun |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Xi'an, Shaanxi | Suzhou |
| Founded | 2000 | 2010 |
| Employees | 37,853 | 501 |
| Annual capacity | 85-90 GW/year | 5+ GW/year |
| Tier 1 | yes | yes |
| Listed | Shanghai Stock Exchange: 601012 |  |
| Website | [https://www.longi.com](https://www.longi.com) | [http://www.talesun.com](http://www.talesun.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...

Talesun Solar, a subsidiary of Zhongli Group, is a leading global photovoltaic manufacturer specializing in the development, manufacturing, and delivery of high-quality solar modules and integrated PV energy solutions. The company provides clean and affordable PV energy solutions for residential, commercial, and...


## Catalog & Power


| Measure | Longi Solar | Talesun | Margin |
| --- | --- | --- | --- |
| Panel Models | 255 | 144 | +111 |
| Max Power | 670 W | 710 W | +40 W |
| Avg Power | 544 W | 564 W | +21 W |


## Efficiency


| Measure | Longi Solar | Talesun | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 25.00% | 24.80% | +0.20 pp |
| Avg Efficiency | 22.65% | 22.14% | +0.51 pp |


## Reliability & Warranty


| Measure | Longi Solar | Talesun | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.291%/°C | -0.304%/°C | +0.013 |
| Bifacial Share | 101 (40%) | 85 (59%) | +19 pp |
| Avg Warranty | 27.8 yrs | 28.8 yrs | +0.9 yr |


## Efficiency distribution

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


| Efficiency band | Longi Solar | Talesun |
| --- | --- | --- |
| \<20% | 3 (1.2%) | 5 (3.5%) |
| 20-21% | 26 (10.2%) | 24 (16.7%) |
| 21-22% | 47 (18.4%) | 32 (22.2%) |
| 22-23% | 70 (27.5%) | 43 (29.9%) |
| 23%+ | 109 (42.7%) | 40 (27.8%) |


## Power distribution

Talesun offers more 600W+ panels (49% of lineup)


| Power band | Longi Solar | Talesun |
| --- | --- | --- |
| \<400W | 8 (3.1%) | 8 (5.6%) |
| 400-499W | 81 (31.8%) | 32 (22.2%) |
| 500-599W | 70 (27.5%) | 34 (23.6%) |
| 600-699W | 96 (37.6%) | 67 (46.5%) |
| 700W+ | 0 | 3 (2.1%) |


## Cell technology

Dominant cell tech: N-type (42%)

Dominant cell tech: TOPCon (44%)


| Technology | Longi Solar | Talesun |
| --- | --- | --- |
| N-type | 107 (42.0%) | 17 (11.8%) |
| Unknown | 55 (21.6%) | 5 (3.5%) |
| PERC | 51 (20.0%) | 51 (35.4%) |
| Back Contact | 42 (16.5%) | 0 |
| TOPCon | 0 | 63 (43.8%) |
| HJT | 0 | 8 (5.6%) |


## 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, Talesun


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TM8G66M-710](https://comparepv.com/panel/talesun-tm8g66m-710) | 710 | 22.9 | -0.290 | Monocrystalline |
| 2 | [TM8G66M-705](https://comparepv.com/panel/talesun-tm8g66m-705) | 705 | 22.7 | -0.290 | Monocrystalline |
| 3 | [TM8G66M-700](https://comparepv.com/panel/talesun-tm8g66m-700) | 700 | 22.5 | -0.290 | Monocrystalline |
| 4 | [TM8G66M-695](https://comparepv.com/panel/talesun-tm8g66m-695) | 695 | 22.4 | -0.290 | Monocrystalline |
| 5 | [TM8G66M-690](https://comparepv.com/panel/talesun-tm8g66m-690) | 690 | 22.2 | -0.290 | Monocrystalline |
| 6 | [TD8G66M/670W](https://comparepv.com/panel/talesun-td8g66m-670w) | 670 | 21.6 | -0.340 | Monocrystalline |
| 7 | [TP8F66M-670](https://comparepv.com/panel/talesun-tp8f66m-670) | 670 | 21.6 | -0.340 | Monocrystalline |
| 8 | [CIPRO-TN9C72M(H)-670](https://comparepv.com/panel/talesun-cipro-tn9c72m-h-670) | 670 | 24.8 | -0.260 | Monocrystalline |
| 9 | [TD8G66M/665W](https://comparepv.com/panel/talesun-td8g66m-665w) | 665 | 21.4 | -0.340 | Monocrystalline |
| 10 | [TP8F66M-665](https://comparepv.com/panel/talesun-tp8f66m-665) | 665 | 21.4 | -0.340 | Monocrystalline |


## Summary

Longi Solar is a Chinese manufacturer headquartered in Xi'an, Shaanxi, founded in 2000, and has grown into one of the largest photovoltaic companies in the world. The company holds consistent BloombergNEF Tier 1 bankability status and had shipped well over 60 GW of modules cumulatively through 2025, with production targets across wafer, cell, and module lines running into the hundreds of gigawatts per year. Talesun Solar, also Chinese, was established in 2010 and has accumulated around 36 GW of cumulative module shipments at an annual production capacity of approximately 2.8 GW. Talesun earned a top bankability rating in the BloombergNEF 2024 PV Module Bankability Report, confirming its standing as a credible Tier 1 supplier, though its institutional scale and global name recognition remain considerably smaller than Longi's. On the measure of project-financing ease and overall market weight, Longi Solar carries a noticeably stronger footprint.

On the technology side, Longi has pivoted its flagship effort toward proprietary back-contact (BC) architectures, even as TOPCon still accounted for roughly 70% of its 2025 shipments. The Hi-MO 9 module, built on HPBC 2.0 cell technology, achieves 24.8% module efficiency at up to 670 W, while the HIBC heterojunction back-contact variant surpasses 25.9% in mass production and won the Smarter E AWARD 2025 in the photovoltaics category. The residential-focused Hi-MO S10 EcoLife Pro delivers up to 25% efficiency in a compact bifacial format suited to rooftop installations. Talesun's portfolio spans 280 W to 715 W using PERC and TOPCon with SMBB (Super Multi Busbar) interconnection, reaching efficiencies of up to 23%. Product warranties extend to 12-15 years on hardware and 25-30 years on linear performance degradation, broadly in line with industry norms. Talesun is best positioned for cost-sensitive commercial or residential projects where procurement flexibility and lower upfront cost outweigh the case for premium cell technology.

For most international buyers who can source both brands, Longi Solar is the stronger default: its production scale, advanced BC technology pipeline, and well-established bankability make project financing more straightforward and the long-term supply outlook more reliable. Talesun is a legitimate Tier 1 option worth shortlisting in price-driven tenders, but independent testing has returned mixed results on certain models, so reviewing the specific product line before committing remains advisable.

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)
- [AE Solar vs Talesun](https://comparepv.com/ae-solar-vs-talesun)
- [Longi Solar vs AEET](https://comparepv.com/longi-solar-vs-aeet)
- [AIKO vs Talesun](https://comparepv.com/aiko-vs-talesun)
- [Longi Solar vs AKCOME](https://comparepv.com/longi-solar-vs-akcome)
- [ARTsolar vs Talesun](https://comparepv.com/artsolar-vs-talesun)


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

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