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JA Solar vs Vikram Solar - solar panel manufacturer comparison

JA Solar
China Founded 2005 Tier 1
Read the JA Solar review
VS
Vikram Solar
India Founded 2005 Tier 1
Read the Vikram Solar review
At a glance

JA Solar has the broader catalog (504 vs 202 models). JA Solar leads on peak efficiency at 24.80%. Vikram Solar leans bifacial (74% of lineup).

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
504 202
Highest power
740 Wp 735 Wp
Best efficiency
24.8% 23.7%
Average efficiency
21.1% 21.4%
Bifacial share
47% 74%
Average warranty
28 yrs 29 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
Vikram Solar

Vikram Solar Limited is a leading Indian solar photovoltaic (PV) module manufacturer and solar solutions provider. They offer engineering, procurement, construction (EPC), and operations & maintenance (O&M) services for solar plants. The company manufactures high-efficiency solar PV modules and has a pan-India...

Founded
2005
Headquarters
Kolkata, India
Annual capacity
9.5 GW/year
Employees
1,895
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric JA Solar Vikram Solar
Catalog & Power
Panel Models 504+302 202
Max Power 740 W+5 W 735 W
Avg Power 456 W 553 W+97 W
Efficiency
Max Efficiency 24.80%+1.11 pp 23.69%
Avg Efficiency 21.13% 21.45%+0.31 pp
Reliability & Warranty
Avg Temp Coefficient -0.322%/°C+0.012 -0.334%/°C
Bifacial Share 238 (47%) 150 (74%)+27 pp
Avg Warranty 27.9 yrs 28.6 yrs+0.8 yr

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

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

Power spread
Share of each catalogue in every power band

Vikram Solar offers more 600W+ panels (42% of lineup)

JA Solar cell technology
Share of their models by cell architecture

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

Vikram Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (75%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

JA Solar and Vikram Solar were both founded in 2005, but they operate at vastly different scales and come from contrasting market backgrounds. JA Solar, headquartered in China and listed on the Shenzhen Stock Exchange (SZSE), employs over 37,000 people and has a production capacity exceeding 100 GW, placing it among the largest module manufacturers in the world - Wood Mackenzie ranked it jointly at the top of the global module manufacturer ranking for the first half of 2025. Vikram Solar, an Indian company listed on both the NSE and BSE, employs approximately 1,895 people and reached a total manufacturing capacity of 9.5 GW following the commissioning of its 5 GW automated Vallam facility in Tamil Nadu in November 2025. Both companies hold Tier 1 bankable status and appear on the BloombergNEF tier-one module manufacturer list. Technologically, both lead their portfolios with PERC cell technology, though Vikram Solar has transitioned its entire module lineup to the G12R large-format wafer and carries a significantly higher share of bifacial modules - 81.1% versus 44.3% for JA Solar. Vikram Solar's average module efficiency stands at 21.45% compared to JA Solar's 20.87%, while JA Solar holds the edge in peak performance metrics, reaching up to 24.4% efficiency and 740 Wp maximum power output.

JA Solar's portfolio of 524 distinct panel models, its established European distribution network, and ongoing R&D investments - including a 26.7% efficiency inverted perovskite cell and TOPCon modules such as the DeepBlue 4.0 Pro and 5.0 series - make it well suited for residential rooftop installs, commercial C&I projects, and large utility-scale ground-mount deployments alike. Its breadth of offering and competitive pricing give it wide applicability across project types globally. Vikram Solar's strength lies in its highly bifacial-skewed portfolio and a higher average module power output of 551.7 Wp (versus JA Solar's 441.7 Wp), reflecting a product mix oriented toward commercial and utility-scale applications. Its consistent recognition as a PVEL top performer and recent manufacturing modernization with intelligent robotics and built-in quality systems underline its reliability credentials, particularly for buyers in markets where Indian-origin supply chains attract preferential tariff treatment.

For international buyers choosing between the two, JA Solar offers unmatched scale, product variety, and a proven global supply chain - an advantage for any project requiring volume and flexibility. Vikram Solar presents a compelling option for utility-scale buyers who prioritize bifacial yield, longer average product warranties (29 years versus 27.85 years for JA Solar), and supply diversification away from Chinese manufacturing, particularly in markets such as the United States or Europe where origin-of-manufacture matters for financing or policy compliance.

Generated by Claude Sonnet · 2026-05-09

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 389 JA Solar 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.