Hanwha Review 2026
Hanwha manufactures 2 models across solar panels. Efficiency range 21.3%–21.4%.
Headquartered in China · Manufacturing in China, South Korea
Founded 1999 by Reiner Lemoine, Holger Feist, Anton Milner, Paul Grunow · Headquartered in Seoul, South Korea
Parent company: Hanwha Solutions Corporation
Listed: KRX:009830
Hanwha at a glance
Certifications: IEC 61215 · IEC 61730 · UL 1703 · CEC Listed · Buy American Act
Warranty: 25-yr product · 25-yr performance
Key milestones
- 1999 Founded as Q-Cells AG in Bitterfeld-Wolfen, Germany
- 2012 Acquired by Hanwha Group of South Korea
- 2019 Opened US factory in Dalton, Georgia
- 2023 Opened second US factory in Cartersville, Georgia
Source: www.qcells.com/us/about-us · Last updated 2026-05-27
Hanwha Pros & Cons (data-driven)
+ Pros
- ✓ Average panel efficiency 21.4% exceeds industry baseline 21%
- ✓ Average product warranty 18.5yr exceeds industry baseline 12yr
- ✓ Low annual degradation 0.45%/yr (industry average ~0.5%/yr)
− Cons
- ✗ Distributor and installer pricing varies — direct retail rarely available
- ✗ Some 2026 models depend on regional distributor availability
Pros and cons calculated against industry baselines: 21% panel efficiency, 12yr panel warranty, -0.32%/°C temp coeff, 90% battery RTE.
Current Hanwha Product List (2)
Solar Panels (2)
| Model | Wattage | Efficiency | Warranty | Verified | Score | Details |
|---|---|---|---|---|---|---|
| Q.PEAK DUO XL-G11 480W | 480W | 21.4% | 12/25 yr | — | 73 (B) | View → |
| Q.TRON G11S 410W | 410W | 21.3% | 25/25 yr | — | 88 (B+) | View → |
Spec Sheet Downloads
No manufacturer-published datasheet links indexed yet for Hanwha. Visit the per-product page for spec details and any source links we have.
Recent Hanwha News
SolarSpec does not republish third-party news. For the latest Hanwha news — product launches, financial filings, recalls, supply-chain updates — search Google News directly.
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Frequently Asked Questions
What is the SolarSpec Score for Hanwha?
Hanwha earns a SolarSpec Score of 81/100 (Grade B+) based on the weighted average of all 2 models in their 2026 lineup. The score combines efficiency, warranty, temperature coefficient, and verification status. See our /methodology/ page for the full formula.
How many solar products does Hanwha offer in 2026?
Hanwha offers 2 products in their 2026 lineup: 2 solar panels.
What is the most efficient Hanwha solar panel?
The most efficient Hanwha solar panel is the Q.PEAK DUO XL-G11 480W at 21.4% efficiency with 480W output. Hanwha panels range from 21.3% to 21.4% efficiency across 2 models.
What warranty does Hanwha offer on solar panels?
Hanwha offers up to 25-year product warranty and up to 25-year performance warranty. Average annual degradation across the lineup is 0.45%.
Where are Hanwha solar panels manufactured?
Hanwha solar panels are manufactured in China and South Korea.
How we score brands
Every Hanwha model in our catalog is scored 0-100 using a transparent formula: efficiency (25 pts), product warranty (20 pts), performance warranty bonus (3 pts), temperature coefficient (12 pts), and datasheet verification (5 pts), on a 50-point baseline. The brand-level score is the simple average across all 2 models.
Read the full SolarSpec methodology →