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

# JA Solar vs Sharp

JA Solar has the broader catalog (504 vs 19 models). JA Solar leads on peak efficiency at 24.80%.


## The two companies


| Attribute | JA Solar | Sharp |
| --- | --- | --- |
| Country | China | Japan |
| Headquarters | Beijing | Sakai, Osaka Prefecture |
| Founded | 2005 | 1912 |
| Employees | 37,289 | 40,123 |
| Annual capacity | 100+ GW/year | 15.4 GW/year |
| Tier 1 | yes | yes |
| Listed | SZSE: 002459 | TYO: 6753 |
| Website | [https://www.jasolar.com](https://www.jasolar.com) | [https://global.sharp](https://global.sharp) |

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...

Sharp Corporation is a Japanese electronics company founded in 1912. It operates globally, offering a wide range of products including consumer electronics, home appliances, energy solutions, and business solutions. Since 2016, it has been majority-owned by Foxconn.


## Catalog & Power


| Measure | JA Solar | Sharp | Margin |
| --- | --- | --- | --- |
| Panel Models | 504 | 19 | +485 |
| Max Power | 740 W | 740 W |  |
| Avg Power | 456 W | 576 W | +120 W |


## Efficiency


| Measure | JA Solar | Sharp | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 23.82% | +0.98 pp |
| Avg Efficiency | 21.13% | 22.20% | +1.06 pp |


## Reliability & Warranty


| Measure | JA Solar | Sharp | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | -0.300%/°C | +0.022 |
| Bifacial Share | 238 (47%) | 10 (53%) | +5 pp |
| Avg Warranty | 27.9 yrs | 27.6 yrs | +0.2 yr |


## Efficiency distribution

Sharp skews to higher efficiency: 32% of lineup is 23%+


| Efficiency band | JA Solar | Sharp |
| --- | --- | --- |
| \<20% | 112 (22.2%) | 0 |
| 20-21% | 99 (19.6%) | 1 (5.3%) |
| 21-22% | 112 (22.2%) | 7 (36.8%) |
| 22-23% | 107 (21.2%) | 5 (26.3%) |
| 23%+ | 74 (14.7%) | 6 (31.6%) |


## Power distribution

Sharp offers more 600W+ panels (37% of lineup)


| Power band | JA Solar | Sharp |
| --- | --- | --- |
| \<400W | 142 (28.2%) | 0 |
| 400-499W | 173 (34.3%) | 6 (31.6%) |
| 500-599W | 120 (23.8%) | 6 (31.6%) |
| 600-699W | 60 (11.9%) | 0 |
| 700W+ | 9 (1.8%) | 7 (36.8%) |


## Cell technology

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

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


| Technology | JA Solar | Sharp |
| --- | --- | --- |
| PERC | 247 (49.0%) | 7 (36.8%) |
| TOPCon | 146 (29.0%) | 5 (26.3%) |
| N-type | 90 (17.9%) | 0 |
| Unknown | 16 (3.2%) | 0 |
| HJT | 5 (1.0%) | 7 (36.8%) |


## 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, Sharp


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [GSD8K66H-740WT](https://comparepv.com/panel/sharp-gsd8k66h-740wt) | 740 | 23.8 | -0.260 | Monocrystalline |
| 2 | [GSD8K66H-735WT](https://comparepv.com/panel/sharp-gsd8k66h-735wt) | 735 | 23.7 | -0.260 | Monocrystalline |
| 3 | [GSD8K66H-730WT](https://comparepv.com/panel/sharp-gsd8k66h-730wt) | 730 | 23.5 | -0.260 | Monocrystalline |
| 4 | [GSD8K66H-725WT](https://comparepv.com/panel/sharp-gsd8k66h-725wt) | 725 | 23.3 | -0.260 | Monocrystalline |
| 5 | [GSD8K66H-720WT](https://comparepv.com/panel/sharp-gsd8k66h-720wt) | 720 | 23.2 | -0.260 | Monocrystalline |
| 6 | [GSD8K66H-715WT](https://comparepv.com/panel/sharp-gsd8k66h-715wt) | 715 | 23.0 | -0.260 | Monocrystalline |
| 7 | [GSD8K66H-710WT](https://comparepv.com/panel/sharp-gsd8k66h-710wt) | 710 | 22.9 | -0.260 | Monocrystalline |
| 8 | [NB-JD580](https://comparepv.com/panel/sharp-nb-jd580) | 580 | 22.4 | -0.300 | Monocrystalline |
| 9 | [NB-JD575](https://comparepv.com/panel/sharp-nb-jd575) | 575 | 22.3 | -0.300 | Monocrystalline |
| 10 | [NB-JD570](https://comparepv.com/panel/sharp-nb-jd570) | 570 | 22.1 | -0.300 | Monocrystalline |


## Summary

JA Solar and Sharp are both Tier 1 bankable manufacturers, but they occupy markedly different positions in the global solar market. JA Solar, founded in 2005 and headquartered in China, has grown into one of the world's largest solar module producers, with manufacturing capacity exceeding 100 GW and a broad portfolio of 524 panel models - consistently ranking among the top two module shippers worldwide, as confirmed by Wood Mackenzie's H1 2025 rankings. Sharp, established in 1912 in Japan, brings over six decades of dedicated solar manufacturing heritage and a more curated portfolio of 19 panel models, with a production capacity of 15.4 GW. Both companies are publicly listed - JA Solar on the SZSE and Sharp on the TYO - and carry Tier 1 bankable status recognized by major financial institutions. While JA Solar competes broadly across all market segments and geographies, Sharp targets premium residential and commercial segments in Europe, Asia, and the Middle East, leveraging its reputation for Japanese engineering quality.

JA Solar's technology backbone is PERC, which accounts for over 52% of its portfolio, with growing presence in TOPCon and bifacial designs. With an average module power of 441.7 Wp and a peak efficiency of 24.4%, JA Solar serves residential rooftop installs, utility-scale ground-mount projects, and commercial C&I applications alike - its scale and competitive pricing making it the default choice for volume-driven installers. PVEL awarded JA Solar Top Performer status for the tenth time in its 2025 Scorecard, underscoring long-term reliability. Sharp leads with HJT as its primary cell technology, delivering a higher average efficiency of 22.2% and a higher average module power of 575.8 Wp. Its better average temperature coefficient of -0.300%/°C versus -0.323%/°C for JA Solar, combined with a bifacial share of 52.6%, makes it well-suited for rooftop installations in warmer climates or ground-mount systems with reflective surfaces - particularly premium residential and space-constrained C&I projects.

For international buyers choosing between the two, the decision comes down to priorities. JA Solar offers unmatched scale, broad product selection, proven reliability, and near-28-year average warranty terms - making it the pragmatic, cost-effective default for utility-scale developers and installers handling high project volumes. Sharp's premium positioning, higher average module efficiency, and advanced HJT cell technology give it a clear edge for buyers who prioritize maximum power density per square meter and are willing to pay a premium - especially in high-value commercial installations or space-constrained residential rooftops where every percentage point of efficiency matters.

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 Sharp](https://comparepv.com/ae-solar-vs-sharp)
- [JA Solar vs AEET](https://comparepv.com/ja-solar-vs-aeet)
- [AIKO vs Sharp](https://comparepv.com/aiko-vs-sharp)
- [JA Solar vs AKCOME](https://comparepv.com/ja-solar-vs-akcome)
- [ARTsolar vs Sharp](https://comparepv.com/artsolar-vs-sharp)


---

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

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