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Sunlike Solar vs Tongwei - solar panel manufacturer comparison

Sunlike Solar
China Founded 2010
Read the Sunlike Solar review
VS
Tongwei
China Founded 2013 Tier 1
Read the Tongwei review
At a glance

Sunlike Solar has the broader catalog (135 vs 122 models). Tongwei leads on peak efficiency at 24.20%. Tongwei leans bifacial (69% 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
135 122
Highest power
675 Wp 750 Wp
Best efficiency
23.5% 24.2%
Average efficiency
21.2% 22.6%
Bifacial share
42% 69%
Average warranty
27 yrs 30 yrs
01

The two companies

Company facts, not datasheet figures
Sunlike Solar

Sunlike Solar Co., Ltd. is a high-tech enterprise specializing in researching, developing, designing, and producing new energy and renewable energy products. They offer various high-efficiency monocrystalline and polycrystalline solar cells and solar modules ranging from 200W to 750W. Their production capacity has...

Founded
2010
Headquarters
Wuxi, Jiangsu, China
Annual capacity
2 GW/year
Employees
300
Tongwei
Founded
2013
Headquarters
Chengdu, China
Tier 1 bankable
Yes
02

Catalogue against catalogue

Averages over every model in the database
Metric Sunlike Solar Tongwei
Catalog & Power
Panel Models 135+13 122
Max Power 675 W 750 W+75 W
Avg Power 493 W 584 W+91 W
Efficiency
Max Efficiency 23.52% 24.20%+0.68 pp
Avg Efficiency 21.19% 22.59%+1.40 pp
Reliability & Warranty
Avg Temp Coefficient -0.328%/°C -0.284%/°C+0.044
Bifacial Share 57 (42%) 84 (69%)+27 pp
Avg Warranty 27.2 yrs 29.5 yrs+2.4 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

Tongwei skews to higher efficiency: 41% of lineup is 23%+

Power spread
Share of each catalogue in every power band

Tongwei offers more 600W+ panels (53% of lineup)

Sunlike Solar cell technology
Share of their models by cell architecture

Dominant cell tech: PERC (38%)

Tongwei cell technology
Share of their models by cell architecture

Dominant cell tech: TOPCon (47%)

04

The flagships

Highest-power models from each brand
05

Written summary

Checking cache...

Sunlike Solar is a Chinese manufacturer founded in 2010 and headquartered in China, operating as a mid-scale private enterprise with an annual production capacity of approximately 2 GW across solar cells and modules. The company holds ISO 9001, ISO 14001, and OHSAS 18001 certifications and supplies products calibrated against Fraunhofer ISE standards, though no independent confirmation of BloombergNEF Tier 1 bankability status was found in available sources. Tongwei, by contrast, is a much larger Chinese conglomerate headquartered in Chengdu, Sichuan, with deep vertical integration spanning high-purity polysilicon, solar cells, and modules. Its solar cell division has led global shipment rankings for eight consecutive years and reached approximately 150 GW of cell capacity by 2025. Tongwei has maintained BloombergNEF Tier 1 module manufacturer status continuously through 2025 and was named a Top Performer in the 2025 Kiwa PVEL Module Reliability Scorecard. In terms of institutional footprint, Tongwei is substantially larger and more bankable.

On the product side, Sunlike Solar offers monocrystalline and polycrystalline modules ranging roughly from 200 W to 600 W and is positioned primarily as a cost-accessible supplier for smaller commercial and residential projects, particularly in export markets. Its cell technology mix is not prominently documented in recent independent reviews, limiting confident technology claims. Tongwei markets its TW Solar modules across residential, commercial, and utility-scale segments, with TOPCon N-type technology driving the majority of its current portfolio - over 88% of its 2025 cell shipments from the top-five cell segment used TOPCon - and select bifacial dual-glass models carrying 30-year performance warranties.

For most buyers in 2025, Tongwei is the more defensible default: its BloombergNEF bankability, independent third-party scorecard recognition, and verified technology roadmap reduce project risk compared with Sunlike Solar, whose smaller scale and limited public review trail make it harder to assess with confidence. Sunlike may still suit buyers prioritizing lower upfront cost where bankability is less critical.

Generated by Claude Sonnet · 2026-06-21

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 58 Tongwei 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.