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JA Solar vs Sharp - solar panel manufacturer comparison

JA Solar
China Founded 2005 Tier 1
Read the JA Solar review
VS
Sharp
Japan Founded 1912 Tier 1
Read the Sharp review
At a glance

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

Both catalogues are read from the manufacturers' own datasheets. A brand is not scored against the market here, only against the other brand on this page.

Panel models
504 19
Highest power
740 Wp 740 Wp
Best efficiency
24.8% 23.8%
Average efficiency
21.1% 22.2%
Bifacial share
47% 53%
Average warranty
28 yrs 28 yrs
01

The two companies

Company facts, not datasheet figures
JA 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...

Founded
2005
Headquarters
Beijing, China
Annual capacity
100+ GW/year
Employees
37,289
Tier 1 bankable
Yes
Sharp

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.

Founded
1912
Headquarters
Sakai, Osaka Prefecture, Japan
Annual capacity
15.4 GW/year
Employees
40,123
Listed
TYO: 6753
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric JA Solar Sharp
Catalog & Power
Panel Models 504+485 19
Max Power 740 W 740 W
Avg Power 456 W 576 W+120 W
Efficiency
Max Efficiency 24.80%+0.98 pp 23.82%
Avg Efficiency 21.13% 22.20%+1.06 pp
Reliability & Warranty
Avg Temp Coefficient -0.322%/°C -0.300%/°C+0.022
Bifacial Share 238 (47%) 10 (53%)+5 pp
Avg Warranty 27.9 yrs+0.2 yr 27.6 yrs

An average over a catalogue describes the range a manufacturer publishes, not the module you would buy. A brand with two flagship panels and eighty older ones averages worse than one that has retired its back catalogue.

03

What each of them builds

Cell technology across the market
Efficiency spread
Share of each catalogue in every efficiency band

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

Power spread
Share of each catalogue in every power band

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

JA Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (49%)

Sharp cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>HJT</strong> (37%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

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.

Generated by Claude Sonnet · 2026-05-13

06

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Something missing from a catalogue? Both lists are built from the datasheets in the database. If a model is absent, it has not been ingested yet.

Shop prices: See 391 JA Solar offers · See 6 Sharp offers

Comparisons are computed from manufacturer datasheets held in the ComparePV database and may not reflect a brand's complete current lineup. Nothing on this page is paid placement.