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

# IBC Solar vs JA Solar

JA Solar has the broader catalog (504 vs 33 models). JA Solar leads on peak efficiency at 24.80%.


## The two companies


| Attribute | IBC Solar | JA Solar |
| --- | --- | --- |
| Country | Germany | China |
| Headquarters | Bad Staffelstein | Beijing |
| Founded | 1982 | 2005 |
| Employees | 500 | 37,289 |
| Annual capacity | 11+ GW/year | 100+ GW/year |
| Tier 1 |  | yes |
| Listed | NEWCONNECT: IBC | SZSE: 002459 |
| Website | [https://www.ibc-solar.com](https://www.ibc-solar.com) | [https://www.jasolar.com](https://www.jasolar.com) |

IBC Solar is a leading full-service provider of energy solutions and services in the field of photovoltaics and storage. The company offers complete photovoltaic systems and covers the entire product range from planning to the turnkey handover of photovoltaic systems. As a manufacturer-independent company, IBC SOLAR...

JA Solar is a global leader in the manufacturing of high-performance photovoltaic products. Founded in 2005, the company designs, develops, manufactures, and sells solar cells and modules. JA Solar's products are used in ground-mounted power plants, commercial & industrial rooftop PV systems, and residential rooftop...


## Catalog & Power


| Measure | IBC Solar | JA Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 33 | 504 | +471 |
| Max Power | 720 W | 740 W | +20 W |
| Avg Power | 459 W | 456 W | +3 W |


## Efficiency


| Measure | IBC Solar | JA Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.18% | 24.80% | +1.62 pp |
| Avg Efficiency | 22.14% | 21.13% | +1.00 pp |


## Reliability & Warranty


| Measure | IBC Solar | JA Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.309%/°C | -0.322%/°C | +0.013 |
| Bifacial Share | 15 (45%) | 238 (47%) | +2 pp |
| Avg Warranty | 30.0 yrs | 27.9 yrs | +2.1 yr |


## Efficiency distribution

JA Solar skews to higher efficiency: 15% of lineup is 23%+


| Efficiency band | IBC Solar | JA Solar |
| --- | --- | --- |
| \<20% | 1 (3.0%) | 112 (22.2%) |
| 20-21% | 3 (9.1%) | 99 (19.6%) |
| 21-22% | 4 (12.1%) | 112 (22.2%) |
| 22-23% | 23 (69.7%) | 107 (21.2%) |
| 23%+ | 2 (6.1%) | 74 (14.7%) |


## Power distribution

JA Solar offers more 600W+ panels (14% of lineup)


| Power band | IBC Solar | JA Solar |
| --- | --- | --- |
| \<400W | 3 (9.1%) | 142 (28.2%) |
| 400-499W | 24 (72.7%) | 173 (34.3%) |
| 500-599W | 3 (9.1%) | 120 (23.8%) |
| 700W+ | 3 (9.1%) | 9 (1.8%) |
| 600-699W | 0 | 60 (11.9%) |


## Cell technology

Dominant cell tech: **TOPCon** (39%)

Dominant cell tech: **PERC** (49%)


| Technology | IBC Solar | JA Solar |
| --- | --- | --- |
| TOPCon | 13 (39.4%) | 146 (29.0%) |
| Back Contact | 11 (33.3%) | 0 |
| PERC | 6 (18.2%) | 247 (49.0%) |
| Unknown | 3 (9.1%) | 16 (3.2%) |
| N-type | 0 | 90 (17.9%) |
| HJT | 0 | 5 (1.0%) |


## Top panels, IBC Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [YH720W-33MHD/MH](https://comparepv.com/panel/ibc-solar-yh720w-33mhd-mh) | 720 | 23.2 | -0.350 | Monocrystalline |
| 2 | [YH715W-33MHD/MH](https://comparepv.com/panel/ibc-solar-yh715w-33mhd-mh) | 715 | 23.0 | -0.350 | Monocrystalline |
| 3 | [YH710W-33MHD/MH](https://comparepv.com/panel/ibc-solar-yh710w-33mhd-mh) | 710 | 22.9 | -0.350 | Monocrystalline |
| 4 | [YH550W-36MH](https://comparepv.com/panel/ibc-solar-yh550w-36mh) | 550 | 21.3 | -0.350 | Monocrystalline |
| 5 | [YH545W-36MH](https://comparepv.com/panel/ibc-solar-yh545w-36mh) | 545 | 21.1 | -0.350 | Monocrystalline |
| 6 | [YH540W-36MH](https://comparepv.com/panel/ibc-solar-yh540w-36mh) | 540 | 20.9 | -0.350 | Monocrystalline |
| 7 | [IBC Module White 455 MS-TA1](https://comparepv.com/panel/ibc-solar-ibc-module-white-455-ms-ta1) | 455 | 22.8 | -0.300 | Monocrystalline |
| 8 | [IBC Module Transparent 455 LS-TA2](https://comparepv.com/panel/ibc-solar-ibc-module-transparent-455-ls-ta2) | 455 | 22.8 | -0.290 | Monocrystalline |
| 9 | [IBC Module Black 455 LS-TA2](https://comparepv.com/panel/ibc-solar-ibc-module-black-455-ls-ta2) | 455 | 22.8 | -0.290 | Monocrystalline |
| 10 | [White 455 MS-TA1](https://comparepv.com/panel/ibc-solar-white-455-ms-ta1) | 455 | 22.8 | -0.300 | Monocrystalline |


## Top panels, JA Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [JAM66D46-740/LB](https://comparepv.com/panel/ja-solar-jam66d46-740-lb) | 740 | 23.8 | -0.290 | Monocrystalline |
| 2 | [JAM66D46-735/LB](https://comparepv.com/panel/ja-solar-jam66d46-735-lb) | 735 | 23.7 | -0.290 | Monocrystalline |
| 3 | [JAM66D46-730/LB](https://comparepv.com/panel/ja-solar-jam66d46-730-lb) | 730 | 23.5 | -0.290 | Monocrystalline |
| 4 | [JAM66D46-725/LB](https://comparepv.com/panel/ja-solar-jam66d46-725-lb) | 725 | 23.3 | -0.290 | Monocrystalline |
| 5 | [JAM66D46-720/LB](https://comparepv.com/panel/ja-solar-jam66d46-720-lb) | 720 | 23.2 | -0.290 | Monocrystalline |
| 6 | [JAM66D46-715/LB](https://comparepv.com/panel/ja-solar-jam66d46-715-lb) | 715 | 23.0 | -0.290 | Monocrystalline |
| 7 | [JAM66D46-710/LB](https://comparepv.com/panel/ja-solar-jam66d46-710-lb) | 710 | 22.9 | -0.290 | Monocrystalline |
| 8 | [JAM66D46-705/LB](https://comparepv.com/panel/ja-solar-jam66d46-705-lb) | 705 | 22.7 | -0.290 | Monocrystalline |
| 9 | [JAM66D46-700/LB](https://comparepv.com/panel/ja-solar-jam66d46-700-lb) | 700 | 22.5 | -0.290 | Monocrystalline |
| 10 | [JAM66D46-695/LB](https://comparepv.com/panel/ja-solar-jam66d46-695-lb) | 695 | 22.4 | -0.290 | Monocrystalline |


## Summary

IBC Solar is a German solar energy company founded in 1982 - one of the earliest entrants in the European PV market - with approximately 500 employees and a production capacity exceeding 11 GW. Listed on the NewConnect market, it operates an international distribution network covering over 30 countries, with recently established subsidiaries in France and Austria and a direct commercial presence in Poland. Its portfolio of 33 modules is compact but technically refined, led by TOPCon cell technology accounting for roughly 39% of its lineup. JA Solar, founded in 2005 in China, is one of the world's largest solar panel manufacturers, employing over 37,000 people and operating a production capacity exceeding 100 GW. Listed on the Shenzhen Stock Exchange and holding confirmed Tier 1 bankable status, JA Solar supplies a broad international customer base with an extensive portfolio of 524 module variants, with PERC still representing approximately 52% of its lineup.

IBC Solar's portfolio achieves an average module efficiency of 22.14% - notably higher than JA Solar's portfolio average of 20.87% - and a better average temperature coefficient of -0.309%/°C versus -0.323%/°C, meaning its modules lose less power under heat stress. A 30-year average product warranty further strengthens its appeal for residential rooftop installations in Central Europe, where quality assurance and long-term performance guarantees are primary purchasing criteria. JA Solar counters with sheer breadth and peak performance: its TOPCon Deep Blue 4.0 Pro series reaches up to 24.4% peak efficiency and 740 Wp - both figures exceeding IBC Solar's maximums of 23.18% and 720 Wp - while competitive pricing and high volume availability make JA Solar a natural fit for utility-scale ground-mount projects and large commercial C&I installations where bankability and procurement flexibility are decisive.

For residential buyers and smaller installers in Europe, IBC Solar offers a compelling combination of higher average efficiency, superior temperature performance, longer warranty coverage, and established European distribution and support. For utility-scale developers and project financiers operating at scale, JA Solar's Tier 1 status, enormous manufacturing capacity, and wide product range provide clear structural advantages. The two manufacturers largely occupy complementary niches: IBC Solar is optimized for quality-first European residential and small commercial installs, while JA Solar is purpose-built for volume-driven international procurement across all project scales.

Written by claude-sonnet from the figures above.


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Source: https://comparepv.com/ibc-solar-vs-ja-solar

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