Maxeon Review 2026
Maxeon manufactures 4 models across solar panels. Efficiency range 22.2%–22.8%.
Headquartered in Malaysia · Manufacturing in Malaysia, Mexico
Founded 1985 by Richard Swanson (as SunPower) · Headquartered in Singapore
Parent company: Maxeon Solar Technologies, Ltd.
Listed: NASDAQ:MAXN
Maxeon at a glance
Certifications: IEC 61215 · IEC 61730 · UL 1703 · CEC Listed
Warranty: 40-yr product · 40-yr performance
Key milestones
- 1985 IBC cell technology originated at SunPower (founded by Richard Swanson)
- 2020 Spun off from SunPower as Maxeon Solar Technologies (NASDAQ: MAXN)
- 2022 Launched Maxeon 7 IBC panels at 24.1% efficiency
- 2024 TZE acquired controlling stake; partial restructuring
Source: www.maxeon.com/about · Last updated 2026-05-27
Maxeon Pros & Cons (data-driven)
+ Pros
- ✓ Average panel efficiency 22.4% exceeds industry baseline 21%
- ✓ Average product warranty 32.5yr exceeds industry baseline 12yr
- ✓ Strong heat tolerance (-0.27%/°C, better than industry -0.32%/°C)
- ✓ Low annual degradation 0.25%/yr (industry average ~0.5%/yr)
− Cons
- ✗ Only 0% of SKUs verified against manufacturer datasheets — some specs unconfirmed
Pros and cons calculated against industry baselines: 21% panel efficiency, 12yr panel warranty, -0.32%/°C temp coeff, 90% battery RTE.
Current Maxeon Product List (4)
Solar Panels (4)
| Model | Wattage | Efficiency | Warranty | Verified | Score | Details |
|---|---|---|---|---|---|---|
| Maxeon 7 470W | 470W | 22.8% | 40/40 yr | — | 100 (A) | View → |
| Maxeon 6 AC 440W | 440W | 22.5% | 25/25 yr | — | 95 (A) | View → |
| Maxeon 6 425W | 425W | 22.2% | 40/40 yr | — | 100 (A) | View → |
| Maxeon 3 410W | 410W | 22.2% | 25/25 yr | — | 94 (A) | View → |
Spec Sheet Downloads
No manufacturer-published datasheet links indexed yet for Maxeon. Visit the per-product page for spec details and any source links we have.
Where Maxeon is Recommended
Our climate-adapted state guides recommend Maxeon models in 1 state.
Recent Maxeon News
SolarSpec does not republish third-party news. For the latest Maxeon 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 Maxeon?
Maxeon earns a SolarSpec Score of 97/100 (Grade A) based on the weighted average of all 4 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 Maxeon offer in 2026?
Maxeon offers 4 products in their 2026 lineup: 4 solar panels.
What is the most efficient Maxeon solar panel?
The most efficient Maxeon solar panel is the Maxeon 7 470W at 22.8% efficiency with 470W output. Maxeon panels range from 22.2% to 22.8% efficiency across 4 models.
What warranty does Maxeon offer on solar panels?
Maxeon offers up to 40-year product warranty and up to 40-year performance warranty. Average annual degradation across the lineup is 0.25%.
Where are Maxeon solar panels manufactured?
Maxeon solar panels are manufactured in Malaysia and Mexico.
How we score brands
Every Maxeon 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 4 models.
Read the full SolarSpec methodology →