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

# JA Solar vs Kyocera

JA Solar has the broader catalog (504 vs 8 models). JA Solar leads on peak efficiency at 24.80%. JA Solar leans bifacial (47% of lineup).


## The two companies


| Attribute | JA Solar | Kyocera |
| --- | --- | --- |
| Country | China | Japan |
| Headquarters | Beijing | Kyoto |
| Founded | 2005 | 1959 |
| Employees | 37,289 | 77,136 |
| Annual capacity | 100+ GW/year |  |
| Tier 1 | yes |  |
| Listed | SZSE: 002459 | TYO: 6971 |
| Website | [https://www.jasolar.com](https://www.jasolar.com) | [https://global.kyocera.com](https://global.kyocera.com) |

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...

Kyocera Corporation is a Japanese multinational electronics and ceramics manufacturer. Founded in 1959, the company produces a diverse range of products, including industrial ceramics, solar power generating systems, telecommunications equipment, and office document imaging equipment. Kyocera is committed to...


## Catalog & Power


| Measure | JA Solar | Kyocera | Margin |
| --- | --- | --- | --- |
| Panel Models | 504 | 8 | +496 |
| Max Power | 740 W | 410 W | +330 W |
| Avg Power | 456 W | 302 W | +154 W |


## Efficiency


| Measure | JA Solar | Kyocera | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 21.00% | +3.80 pp |
| Avg Efficiency | 21.13% | 18.21% | +2.92 pp |


## Reliability & Warranty


| Measure | JA Solar | Kyocera | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | -0.460%/°C | +0.138 |
| Bifacial Share | 238 (47%) | 0 (0%) | +47 pp |
| Avg Warranty | 27.9 yrs | 25.0 yrs | +2.9 yr |


## Efficiency distribution

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


| Efficiency band | JA Solar | Kyocera |
| --- | --- | --- |
| \<20% | 112 (22.2%) | 5 (62.5%) |
| 20-21% | 99 (19.6%) | 1 (12.5%) |
| 21-22% | 112 (22.2%) | 2 (25.0%) |
| 22-23% | 107 (21.2%) | 0 |
| 23%+ | 74 (14.7%) | 0 |


## Power distribution

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


| Power band | JA Solar | Kyocera |
| --- | --- | --- |
| \<400W | 142 (28.2%) | 6 (75.0%) |
| 400-499W | 173 (34.3%) | 2 (25.0%) |
| 500-599W | 120 (23.8%) | 0 |
| 600-699W | 60 (11.9%) | 0 |
| 700W+ | 9 (1.8%) | 0 |


## Cell technology

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


| Technology | JA Solar | Kyocera |
| --- | --- | --- |
| PERC | 247 (49.0%) | 0 |
| TOPCon | 146 (29.0%) | 0 |
| N-type | 90 (17.9%) | 0 |
| Unknown | 16 (3.2%) | 8 (100.0%) |
| HJT | 5 (1.0%) | 0 |


## 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 |


## Top panels, Kyocera


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [KT410W-108HL4](https://comparepv.com/panel/kyocera-kt410w-108hl4) | 410 | 21.0 | - | Monocrystalline |
| 2 | [KT410W-108HL4B](https://comparepv.com/panel/kyocera-kt410w-108hl4b) | 410 | 21.0 | - | Monocrystalline |
| 3 | [KK280P-3CD3CG](https://comparepv.com/panel/kyocera-kk280p-3cd3cg) | 280 | 17.0 | - | Polycrystalline |
| 4 | [KK275P-3CD3CG](https://comparepv.com/panel/kyocera-kk275p-3cd3cg) | 275 | 16.7 | - | Polycrystalline |
| 5 | [KU270-6MCA](https://comparepv.com/panel/kyocera-ku270-6mca) | 270 | 16.4 | -0.460 | Polycrystalline |
| 6 | [KU270-6MPA](https://comparepv.com/panel/kyocera-ku270-6mpa) | 270 | 16.4 | -0.460 | Polycrystalline |
| 7 | [KK270P-3CD3CG](https://comparepv.com/panel/kyocera-kk270p-3cd3cg) | 270 | 16.4 | - | Polycrystalline |
| 8 | [KT230W-60HL4B](https://comparepv.com/panel/kyocera-kt230w-60hl4b) | 230 | 20.8 | - | Monocrystalline |


## Summary

JA Solar, founded in 2005 in China and listed on the Shenzhen Stock Exchange, has grown into one of the world's leading solar module manufacturers, with a production capacity exceeding 100 GW and Tier 1 bankable status recognized by major financial institutions globally. Its portfolio spans 524 panel models, with peak power reaching 740 Wp and maximum module efficiency of 24.4%, placing it firmly among the efficiency leaders in the large-volume manufacturing segment. Kyocera, by contrast, is a diversified Japanese conglomerate founded in 1959 and listed on the Tokyo Stock Exchange. Although the company has deep roots in ceramics and electronic components, its solar division has contracted sharply in recent years - it currently lists only 8 active panel models, with a maximum output of 410 Wp and an average efficiency of 18.21%. Kyocera ceased North American solar operations in 2016, and its active module sales are now concentrated primarily in Japan and select Asian markets, with no Tier 1 bankability classification reported.

JA Solar's technology portfolio is broad and actively evolving: PERC cells dominate at over 52% of its lineup, while bifacial designs account for 44.3% of its catalog, reflecting a deliberate push toward higher-yield configurations. The average temperature coefficient of -0.32%/°C ensures strong real-world output in warm conditions, making JA Solar modules a practical choice for residential rooftop installs, commercial and industrial (C&I) projects, and large utility-scale ground-mount systems alike. An average product warranty of nearly 28 years and confirmed Tier 1 status further simplify project financing. Kyocera's active lineup offers no bifacial options, carries a notably less favorable temperature coefficient of -0.46%/°C, and tops out at 410 Wp per panel - a ceiling that limits its competitiveness in space-constrained or performance-sensitive applications. Its panels retain relevance primarily for owners seeking to expand existing Kyocera installations or for markets where the brand still maintains an active distribution and service network.

For international buyers evaluating these two manufacturers, JA Solar is the clearly stronger commercial proposition in 2025: it is actively expanding its technology roadmap, maintains verified Tier 1 status, and offers panel options suited to every project scale from small residential to multi-megawatt utility. Kyocera panels may still perform reliably when sourced from existing stock, but the sharply limited active portfolio, narrower geographic support outside Japan, and a meaningful efficiency gap relative to current industry standards make it a difficult choice for new project development in European or North American markets.

Written by claude-sonnet from the figures above.


## Other comparisons

- [JA Solar vs A.B. Energy](https://comparepv.com/ja-solar-vs-a-b-energy)
- [AE Solar vs Kyocera](https://comparepv.com/ae-solar-vs-kyocera)
- [JA Solar vs AEET](https://comparepv.com/ja-solar-vs-aeet)
- [AIKO vs Kyocera](https://comparepv.com/aiko-vs-kyocera)
- [JA Solar vs AKCOME](https://comparepv.com/ja-solar-vs-akcome)
- [ARTsolar vs Kyocera](https://comparepv.com/artsolar-vs-kyocera)


---

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

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