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

# JA Solar vs Mission Solar

JA Solar has the broader catalog (504 vs 24 models). JA Solar leads on peak efficiency at 24.80%. Mission Solar leans bifacial (75% of lineup).


## The two companies


| Attribute | JA Solar | Mission Solar |
| --- | --- | --- |
| Country | China | United States |
| Headquarters | Beijing | San Antonio |
| Founded | 2005 | 2014 |
| Employees | 37,289 |  |
| Annual capacity | 100+ GW/year |  |
| Tier 1 | yes | no |
| Listed | SZSE: 002459 |  |
| Website | [https://www.jasolar.com](https://www.jasolar.com) | [https://www.missionsolar.com](https://www.missionsolar.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...


## Catalog & Power


| Measure | JA Solar | Mission Solar | Margin |
| --- | --- | --- | --- |
| Panel Models | 504 | 24 | +480 |
| Max Power | 740 W | 670 W | +70 W |
| Avg Power | 456 W | 554 W | +98 W |


## Efficiency


| Measure | JA Solar | Mission Solar | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | 23.00% | +1.80 pp |
| Avg Efficiency | 21.13% | 22.11% | +0.98 pp |


## Reliability & Warranty


| Measure | JA Solar | Mission Solar | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | -0.313%/°C | +0.009 |
| Bifacial Share | 238 (47%) | 18 (75%) | +28 pp |
| Avg Warranty | 27.9 yrs | 28.8 yrs | +0.9 yr |


## Efficiency distribution

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


| Efficiency band | JA Solar | Mission Solar |
| --- | --- | --- |
| \<20% | 112 (22.2%) | 0 |
| 20-21% | 99 (19.6%) | 2 (8.3%) |
| 21-22% | 112 (22.2%) | 7 (29.2%) |
| 22-23% | 107 (21.2%) | 13 (54.2%) |
| 23%+ | 74 (14.7%) | 2 (8.3%) |


## Power distribution

Mission Solar offers more 600W+ panels (25% of lineup)


| Power band | JA Solar | Mission Solar |
| --- | --- | --- |
| \<400W | 142 (28.2%) | 0 |
| 400-499W | 173 (34.3%) | 6 (25.0%) |
| 500-599W | 120 (23.8%) | 12 (50.0%) |
| 600-699W | 60 (11.9%) | 6 (25.0%) |
| 700W+ | 9 (1.8%) | 0 |


## Cell technology

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

Dominant cell tech: **N-type** (38%)


| Technology | JA Solar | Mission Solar |
| --- | --- | --- |
| PERC | 247 (49.0%) | 9 (37.5%) |
| TOPCon | 146 (29.0%) | 6 (25.0%) |
| N-type | 90 (17.9%) | 9 (37.5%) |
| Unknown | 16 (3.2%) | 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, Mission Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [MST12670HP3G](https://comparepv.com/panel/mission-solar-mst12670hp3g) | 670 | 21.6 | -0.340 | Monocrystalline |
| 2 | [MST12665HP3G](https://comparepv.com/panel/mission-solar-mst12665hp3g) | 665 | 21.4 | -0.340 | Monocrystalline |
| 3 | [MST12660HP3G](https://comparepv.com/panel/mission-solar-mst12660hp3g) | 660 | 21.2 | -0.340 | Monocrystalline |
| 4 | [MST12R620HN3G](https://comparepv.com/panel/mission-solar-mst12r620hn3g) | 620 | 23.0 | -0.290 | Monocrystalline |
| 5 | [MST12R615HN3G](https://comparepv.com/panel/mission-solar-mst12r615hn3g) | 615 | 22.8 | -0.290 | Monocrystalline |
| 6 | [MST12R610HN3G](https://comparepv.com/panel/mission-solar-mst12r610hn3g) | 610 | 22.6 | -0.290 | Monocrystalline |
| 7 | [MSH10-595HN4G](https://comparepv.com/panel/mission-solar-msh10-595hn4g) | 595 | 23.0 | -0.290 | Monocrystalline |
| 8 | [MSI10-590HN4G](https://comparepv.com/panel/mission-solar-msi10-590hn4g) | 590 | 22.9 | -0.298 | Monocrystalline |
| 9 | [MSH10-590HN4G](https://comparepv.com/panel/mission-solar-msh10-590hn4g) | 590 | 22.8 | -0.290 | Monocrystalline |
| 10 | [MSI10-585HN4G](https://comparepv.com/panel/mission-solar-msi10-585hn4g) | 585 | 22.7 | -0.298 | Monocrystalline |


## Summary

JA Solar, founded in 2005 and headquartered in China, ranks among the world's largest solar module manufacturers, with over 37,000 employees and a production capacity exceeding 100 GW. The company holds Tier 1 bankable status confirmed by S&P Global Commodity Insights, is listed on the Shenzhen Stock Exchange, and jointly topped Wood Mackenzie's Global Solar Module Manufacturer Ranking for the first half of 2025. Its global reach is extensive, with overseas shipments representing roughly half of its total 79.4 GW shipped in 2024. Mission Solar, by contrast, is a younger and far smaller company founded in 2014 and based in San Antonio, Texas. It operates a single domestic manufacturing facility, employs around 400 people, and does not hold Tier 1 bankable status. That said, Mission Solar announced a $265 million expansion in March 2025 to add 2 GW of solar cell production capacity, and its U.S.-made panels qualify for the domestic content tax credit bonus under the Inflation Reduction Act - a meaningful financial advantage for American buyers.

JA Solar's portfolio spans 524 panel models, with an average output of 441.68 Wp and a peak of 740 Wp. PERC cell technology dominates at 52.1% of the lineup, with TOPCon variants rounding out the higher-efficiency tier. Maximum panel efficiency reaches 24.4% and the portfolio average is 20.87%, with an average temperature coefficient of -0.323%/°C. The breadth and price competitiveness of this range make JA Solar a strong fit for utility-scale ground-mount projects and large commercial C&I installations where Tier 1 bankability is a lender requirement. Mission Solar's focused lineup of 24 models skews toward high-power, high-efficiency products: average output is 553.75 Wp, average efficiency is 22.11%, and 75% of models are bifacial - well above JA Solar's 44.27%. N-type cells lead the technology mix at 37.5% of the range, and the average warranty extends to 28.75 years. This positions Mission Solar well for premium residential rooftop installs, commercial flat-roof systems, and U.S.-based projects where supply chain security and tariff immunity are critical.

For international buyers outside the United States, JA Solar's combination of Tier 1 status, massive production scale, wide product range, and competitive pricing makes it the more practical default - especially for projects requiring project finance or utility-scale procurement. Mission Solar offers a compelling premium alternative for buyers who prioritize high average efficiency, a bifacial-heavy N-type portfolio, and American-made supply chain assurance, but its limited global distribution and absence of Tier 1 bankability restrict its applicability wherever lender approval is required.

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


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

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