---
title: "Phono Solar vs Resun Solar - Brand Comparison | ComparePV"
description: "Compare Phono Solar vs Resun Solar solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/phono-solar-vs-resun-solar"
---

# Phono Solar vs Resun Solar

Resun Solar has the broader catalog (236 vs 174 models). Resun Solar leads on peak efficiency at 23.66%. Phono Solar leans bifacial (43% of lineup).


## The two companies


| Attribute | Phono Solar | Resun Solar |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Nanjing | Suzhou |
| Founded | 2004 | 2007 |
| Employees | 13000+ |  |
| Annual capacity | 3-4 GW/year | 1 GW/year |
| Tier 1 | yes |  |
| Listed |  |  |
| Website | [https://www.phonosolar.com](https://www.phonosolar.com) | [http://www.resunsolar.com](http://www.resunsolar.com) |

Phono Solar Technology Co., Ltd. specializes in the research, development, and manufacture of photovoltaic solar panels and is a global provider of solar products and services. The company is affiliated with SUMEC Group, a subsidiary of China National Machinery Industry Corporation (SINOMACH). Phono Solar has been...

Resun Solar Energy Co., Ltd. specializes in developing and manufacturing high-quality, cost-effective photovoltaic solar modules. With factories accredited by ISO9001 & 14001, their panels are certified by TUV, IEC61215, IEC61730, and other international quality systems. The company's sales network spans over 80...


## Catalog & Power


| Measure | Phono Solar | Resun Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 174 | 236 | +62 |
| Max Power | 730 W | 735 W | +5 W |
| Avg Power | 515 W | 510 W | +5 W |


## Efficiency


| Measure | Phono Solar | Resun Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.50% | 23.66% | +0.16 pp |
| Avg Efficiency | 21.77% | 21.52% | +0.26 pp |


## Reliability & Warranty


| Measure | Phono Solar | Resun Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.306%/°C | -0.318%/°C | +0.012 |
| Bifacial Share | 74 (43%) | 73 (31%) | +12 pp |
| Avg Warranty | 27.1 yrs | 30.0 yrs | +2.9 yr |


## Efficiency distribution

Phono Solar skews to higher efficiency: 11% of lineup is 23%+


| Efficiency band | Phono Solar | Resun Solar |
| --- | --- | --- |
| \<20% | 3 (1.7%) | 28 (11.9%) |
| 20-21% | 37 (21.3%) | 30 (12.7%) |
| 21-22% | 53 (30.5%) | 60 (25.4%) |
| 22-23% | 62 (35.6%) | 101 (42.8%) |
| 23%+ | 19 (10.9%) | 17 (7.2%) |


## Power distribution

Resun Solar offers more 600W+ panels (29% of lineup)


| Power band | Phono Solar | Resun Solar |
| --- | --- | --- |
| \<400W | 10 (5.7%) | 33 (14.0%) |
| 400-499W | 78 (44.8%) | 80 (33.9%) |
| 500-599W | 51 (29.3%) | 55 (23.3%) |
| 600-699W | 23 (13.2%) | 54 (22.9%) |
| 700W+ | 12 (6.9%) | 14 (5.9%) |


## Cell technology

Dominant cell tech: **PERC** (37%)

Dominant cell tech: **TOPCon** (66%)


| Technology | Phono Solar | Resun Solar |
| --- | --- | --- |
| PERC | 65 (37.4%) | 0 |
| TOPCon | 53 (30.5%) | 155 (65.7%) |
| N-type | 50 (28.7%) | 0 |
| HJT | 5 (2.9%) | 0 |
| Back Contact | 1 (0.6%) | 0 |
| Unknown | 0 | 81 (34.3%) |


## Top panels, Phono Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [PS730M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps730m13gfh-22-wshw) | 730 | 23.5 | -0.240 | Monocrystalline |
| 2 | [NS-730MH-132](https://comparepv.com/panel/phono-solar-ns-730mh-132) | 730 | 23.5 | -0.290 | Monocrystalline |
| 3 | [PS725M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps725m13gfh-22-wshw) | 725 | 23.3 | -0.240 | Monocrystalline |
| 4 | [PS720M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps720m13gfh-22-wshw) | 720 | 23.2 | -0.240 | Monocrystalline |
| 5 | [NS-720MH-132](https://comparepv.com/panel/phono-solar-ns-720mh-132) | 720 | 23.2 | -0.290 | Monocrystalline |
| 6 | [PS715M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps715m13gfh-22-wshw) | 715 | 23.0 | -0.240 | Monocrystalline |
| 7 | [PS710M13GFH-22/WNH](https://comparepv.com/panel/phono-solar-technology-co-ltd-ps710m13gfh-22-wnh) | 710 | 22.9 | -0.290 | Monocrystalline |
| 8 | [PS710M13GFH-22/WSHW](https://comparepv.com/panel/phono-solar-co-ltd-phono-solar-technology-co-ltd-ps710m13gfh-22-wshw) | 710 | 22.9 | -0.240 | Monocrystalline |
| 9 | [NS-710MH-132](https://comparepv.com/panel/phono-solar-ns-710mh-132) | 710 | 22.9 | -0.290 | Monocrystalline |
| 10 | [PS705M13GFH-22/WNH](https://comparepv.com/panel/phono-solar-technology-co-ltd-ps705m13gfh-22-wnh) | 705 | 22.7 | -0.290 | Monocrystalline |


## Top panels, Resun Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [RS9H-M TOPCON-735](https://comparepv.com/panel/resun-solar-rs9h-m-topcon-735) | 735 | 23.7 | -0.300 | Monocrystalline |
| 2 | [RS9H-M TOPCON-730](https://comparepv.com/panel/resun-solar-rs9h-m-topcon-730) | 730 | 23.5 | -0.300 | Monocrystalline |
| 3 | [RS9H-M TOPCON-725](https://comparepv.com/panel/resun-solar-rs9h-m-topcon-725) | 725 | 23.3 | -0.300 | Monocrystalline |
| 4 | [RS9H-M TOPCON-720](https://comparepv.com/panel/resun-solar-rs9h-m-topcon-720) | 720 | 23.2 | -0.300 | Monocrystalline |
| 5 | [RS9H-M-720](https://comparepv.com/panel/resun-solar-rs9h-m-720) | 720 | 23.2 | -0.300 | Monocrystalline |
| 6 | [RS9H-M-DG-720](https://comparepv.com/panel/resun-solar-rs9h-m-dg-720) | 720 | 23.2 | -0.300 | Monocrystalline |
| 7 | [RS9H-M-715](https://comparepv.com/panel/resun-solar-rs9h-m-715) | 715 | 23.0 | -0.300 | Monocrystalline |
| 8 | [RS9H-M-DG-715](https://comparepv.com/panel/resun-solar-rs9h-m-dg-715) | 715 | 23.0 | -0.300 | Monocrystalline |
| 9 | [RS9H-M-710](https://comparepv.com/panel/resun-solar-rs9h-m-710) | 710 | 22.9 | -0.300 | Monocrystalline |
| 10 | [RS9H-M-DG-710](https://comparepv.com/panel/resun-solar-rs9h-m-dg-710) | 710 | 22.9 | -0.300 | Monocrystalline |


## Summary

Phono Solar is a Chinese photovoltaic module manufacturer established in 2008 as a subsidiary of SUMEC Group, part of the state-owned SINOMACH conglomerate. It has held BloombergNEF Tier 1 status continuously since 2014, giving its modules strong bankability for project financing, and its annual production capacity exceeds 10 GW, with manufacturing also based in Turkey and Vietnam. Resun Solar is a smaller Chinese manufacturer founded in 2005, operating factories in Changzhou, Jiangsu province, with annual capacity of roughly 5 GW, though available sources do not confirm a current BloombergNEF Tier 1 listing for the brand. On institutional footing, Phono Solar clearly has the stronger position thanks to its larger parent group and longer track record of bankability.

Phono Solar's lineup centers on PERC and increasingly TOPCon modules aimed at both residential rooftop and commercial and industrial (C&I) applications, making it a common choice for distributed generation projects. Resun Solar's catalog leans on half-cell and full-cell module series, including back-contact (BC) technology, with a notable share of bifacial panels, and the company markets itself for both rooftop systems and medium-to-large ground-mount installations.

For a typical international buyer prioritizing financing eligibility and long-term supplier stability, Phono Solar is the safer default given its confirmed Tier 1 status and greater production scale. Resun Solar can still be a reasonable option for price-sensitive projects or specific technical requirements, but buyers should independently verify its current bankability status before committing to large installations.

Written by claude-sonnet-5 from the figures above.


## Other comparisons

- [Phono Solar vs A.B. Energy](https://comparepv.com/phono-solar-vs-a-b-energy)
- [AE Solar vs Resun Solar](https://comparepv.com/ae-solar-vs-resun-solar)
- [Phono Solar vs AEET](https://comparepv.com/phono-solar-vs-aeet)
- [AIKO vs Resun Solar](https://comparepv.com/aiko-vs-resun-solar)
- [Phono Solar vs AKCOME](https://comparepv.com/phono-solar-vs-akcome)
- [ARTsolar vs Resun Solar](https://comparepv.com/artsolar-vs-resun-solar)


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Source: https://comparepv.com/phono-solar-vs-resun-solar

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