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MY Solar vs Tongwei - solar panel manufacturer comparison

MY Solar
Headquarters not published
Read the MY Solar review
VS
Tongwei
China Founded 2013 Tier 1
Read the Tongwei review
At a glance

MY Solar has the broader catalog (140 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
140 122
Highest power
740 Wp 750 Wp
Best efficiency
23.8% 24.2%
Average efficiency
19.9% 22.6%
Bifacial share
39% 69%
Average warranty
27 yrs 30 yrs
01

The two companies

Company facts, not datasheet figures
MY Solar
All MY Solar panels
Tongwei
Founded
2013
Headquarters
Chengdu, China
Tier 1 bankable
Yes
All Tongwei panels Manufacturer site
02

Catalogue against catalogue

Averages over every model in the database
Metric MY Solar Tongwei
Catalog & Power
Panel Models 140+18 122
Max Power 740 W 750 W+10 W
Avg Power 418 W 584 W+166 W
Efficiency
Max Efficiency 23.82% 24.20%+0.38 pp
Avg Efficiency 19.87% 22.59%+2.72 pp
Reliability & Warranty
Avg Temp Coefficient -0.333%/°C -0.284%/°C+0.048
Bifacial Share 54 (39%) 84 (69%)+30 pp
Avg Warranty 27.1 yrs 29.5 yrs+2.5 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)

MY Solar cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>PERC</strong> (58%)

Tongwei cell technology
Share of their models by cell architecture

Dominant cell tech: <strong>TOPCon</strong> (47%)

04

The flagships

Highest-power models from each brand
MY Solar all models
1 MS740N-HJTGBBIMonocrystalline 740 Wp 23.8% -0.240 2 MS735N-HJTGBBIMonocrystalline 735 Wp 23.7% -0.240 3 MS730N-HJTGBBIMonocrystalline 730 Wp 23.5% -0.240 4 MS725N-HJTGBBIMonocrystalline 725 Wp 23.3% -0.240 5 MS720N-HJTGBBIMonocrystalline 720 Wp 23.2% -0.260 6 MS715N-HJTGBBIMonocrystalline 715 Wp 23.0% -0.260 7 MS710N-HJTGBBIMonocrystalline 710 Wp 22.9% -0.260 8 MS705N-HJTGBBIMonocrystalline 705 Wp 22.7% -0.260 9 MY-M12/144-700Monocrystalline 700 Wp 22.3% -0.350 10 MS700N-DHBGBIMonocrystalline 700 Wp 22.5% -0.300
Tongwei all models
1 TWMNF-66HD750BIMonocrystalline 750 Wp 24.1% -0.280 2 TWMNF-66HD745BIMonocrystalline 745 Wp 24.0% -0.280 3 TWMNF-66HD740BIMonocrystalline 740 Wp 23.8% -0.280 4 TWMHF-66HD740XBIMonocrystalline 740 Wp 23.8% -0.240 5 THC G12-66 BifacialBIMonocrystalline 740 Wp 23.8% -0.280 6 TWMNF-66HD735BIMonocrystalline 735 Wp 23.7% -0.280 7 TWMHF-66HD735XBIMonocrystalline 735 Wp 23.7% -0.240 8 TWMHF-66HD730XBIMonocrystalline 730 Wp 23.5% -0.240 9 TWMNF-66HD730BIMonocrystalline 730 Wp 23.5% -0.280 10 TWMNF-66HD725BIMonocrystalline 725 Wp 23.3% -0.280
05

Written summary

06

Other brand comparisons

Build your own
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MY Solar A.B. Energy
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AIKO Tongwei
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MY Solar AKCOME
Manufacturers
ARTsolar Tongwei
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 71 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.