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Best panels for small roofs

Ranked by power density in watts per square metre. The figure that matters when the roof, not the budget, is the constraint. All rankings

Manufacturer
All AE Solar Jinko Solar JA Solar DAH Solar Trina Solar Canadian Solar Longi Solar Suntech Hanersun Gamko New Energy Resun Solar GCL Waaree ZNShine SunEvo Solar Vikram Solar Yingli Sunova Horay Solar Phono Solar Emmvee Techwise Solar Seraphim Heckert Solar Risen Luxen Solar Energy Astronergy DMEGC Solar N Plus Goldi Solar AIKO Talesun MY Solar JS Solar Sunlike Solar EGing PV Jolywood Huasun Huayao LEDVANCE Runergy Tongwei Luxor Solar Leapton BYD Renesola TPL Solar HT-SAAE Q-SUN Solar VSUN Hiwatt Solar Shinson Technology Philadelphia Solar DAS Solar Jetion HY SOLAR Heliene S-Energy Q-Cells Solarspace Sunpro Power AmoSolar Ulica Solar PolyCrown Solar Tech SunLink SpolarPV TCL Zhonghuan Hyundai First Solar VDS Renewable Recom Boviet Solar Sun Earth AUSTA ENERGY REC SunKean Premier Energies Isola New Energy Sunket New Energy Rarlon PV Tech Solitek Adani Solar Silfab Renewsys Axitec Gokin Hounen Solar Solarwatt Solar-Fabrik Just Solar RedSolar Tata Power Solar Lina Energy FuturaSun G-STAR Maxeon Ocean Solar CSUN Selfa Aptos Solar IBC Solar SP Enerji Exiom Neo Solar Power New East Solar Einnova Solarline Motech Amerisolar Solaria LinkSol Panasonic LG Meyer Burger Mission Solar Hansol Kensol Powitt Solar Runtech China Bruk-Bet Lu'an Solar Sharp Daxieworld Twinsel Electronic Technology Weran Solar Haitai Solar CW Enerji Mysolar USA Renew Photovoltaics Centro Energy ECODELTA Fellow Energy GL Solar Avaada Bisol Lexron Sunplus Viessmann ET Solar Jinergy Loom Solar Sonnex Energie TN Solar Vespa Solar Enerji Kyocera Navitas Solar Clelo Tech Depozit Solar Gintech HD Solar KIOTO Solar Reliance New Energy TommaTech BECSA Bauer Solar Becquer DualSun Runda Solar SOMI Sunman VEDA Solar AEET Anern Energy Beny New Energy Corab Elege Electronic Jshine Solar Technology KB Solar MSolar Mogen Solar Solar Power Vietnam YS Solar Zonergy ENCOR AKCOME KDM Kingdom Solar Kingdom Peimar Easun Power LS Solar MWG ASM AU Optronics Growatt RMCIP Tescom Solar Top Solar Wanze Energy
Active 300 Wp and up Found 13,378 panels
Model Power Efficiency Wp/m² Temp Degr. Weight Tech. Standout
JS Solar JS445M 445 Wp 20.10% 201.4 -0.280 0.70% 24.9 kg PERC Cool in heat, top 1%
MY Solar MYM6144-445 445 Wp 20.14% 201.4 -0.390 - 25.6 kg PERC Weak in heat
CS3W-445MS 445 Wp 20.10% 201.4 -0.350 - 24.9 kg PERC Degradation not published
TH400PMB7-44SCF 400 Wp 20.10% 201.4 -0.340 0.55% 20.8 kg - Modest efficiency
SunEvo Solar SE6-44SC-400W 400 Wp 20.10% 201.4 -0.340 0.55% 20.8 kg - Modest efficiency
SunEvo Solar SE6-44SC-400 400 Wp 20.10% 201.4 -0.340 0.55% 20.8 kg - Modest efficiency
Isola New Energy YH400W-27M 400 Wp 20.41% 201.4 -0.350 - 7.1 kg Flexible Lightest in its segment
Sunlike Solar LNVT-480MD BI 480 Wp 20.14% 201.4 -0.360 0.53% 28.5 kg - Weak in heat
CS1U-415MS 415 Wp 20.10% 201.3 -0.370 - 23.4 kg PERC Weak in heat
MIRAGE Emerald 520W 520 Wp 20.29% 201.3 -0.350 0.55% 26.5 kg N-type Modest efficiency
MIRAGE 520W Emerald 520 Wp 20.29% 201.3 -0.300 0.55% 26.5 kg BIPV Needs more roof
Hanersun HN18N-72H-F550W 550 Wp 20.10% 201.3 -0.280 0.55% 8.5 kg N-type Modest efficiency
GCL-M10/54GDF-B 400W 400 Wp 20.10% 201.3 -0.350 - 25.3 kg PERC Heavy for its class
GCL-M10/54H-B 400W 400 Wp 20.10% 201.3 -0.360 - 21.0 kg BIPV Weak in heat
GCL-M10/54GDF-400 BI 400 Wp 20.10% 201.3 -0.350 0.45% 25.3 kg PERC Heavy for its class
GCL-M10/54H-B 400 400 Wp 20.10% 201.3 -0.360 0.55% 21.0 kg PERC Weak in heat
GCL-M10/54GDF-B-400 BI 400 Wp 20.10% 201.3 -0.350 0.45% 25.3 kg TOPCon Modest efficiency
JS Solar JS405M 405 Wp 20.13% 201.3 -0.280 0.70% 22.5 kg PERC Cool in heat, top 1%
Rarlon PV Tech RL405HM-144 405 Wp 20.20% 201.3 -0.390 - 22.5 kg PERC Weak in heat
MYM3144-405 405 Wp 20.13% 201.3 -0.350 - 22.5 kg PERC Degradation not published
VDS Renewable VDS-S144/FNH-405W 405 Wp 20.10% 201.3 -0.340 0.55% 23.0 kg - Needs more roof
MY Solar MYM3144-405 405 Wp 20.13% 201.3 -0.350 - 22.5 kg PERC Degradation not published
VDS Renewable VDS-S144/FNH-405 405 Wp 20.10% 201.3 -0.340 0.55% 23.0 kg PERC Modest efficiency
FuturaSun FU 405 M NEXT Pro 405 Wp 20.13% 201.3 -0.350 0.50% 22.5 kg PERC Needs more roof
Motech XS72CA-405 405 Wp 20.13% 201.3 -0.370 - 23.0 kg - Weak in heat
Resun Solar RS6I-405M 405 Wp 20.13% 201.3 -0.340 0.50% 22.5 kg - Needs more roof
TSM-DE17M(II)-440W 440 Wp 20.10% 201.3 -0.340 0.55% 24.0 kg PERC Modest efficiency
Amerisolar AS-6M144-HC-440 440 Wp 20.13% 201.3 -0.360 0.55% 24.0 kg PERC Weak in heat
MWG MWG-340M 340 Wp 20.12% 201.3 -0.390 0.73% 19.0 kg - Fast degradation
Vikram Solar PREXOS VSMDHT.60.435.05 BI 435 Wp 20.13% 201.3 -0.350 0.55% 24.0 kg PERC Needs more roof
Heckert Solar NeMo® 4.2 80 M 390 392 Wp 20.10% 201.3 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NeMo 4.2 80 M Black 390 392 Wp 20.10% 201.3 -0.340 - 21.0 kg - Degradation not published
Heckert Solar NeMo 4.2 80 M 390 392 Wp 20.10% 201.3 -0.340 - 21.0 kg - Degradation not published
TSM-DE18M(II)-485 485 Wp 20.10% 201.2 -0.340 0.55% 26.3 kg PERC Modest efficiency
TSM-DEG18MC.20(II)-485 BI 485 Wp 20.10% 201.2 -0.340 0.45% 30.1 kg PERC Heavy for its class
TSM-DEG18MC.20(II)-485W BI 485 Wp 20.10% 201.2 -0.340 0.45% 30.1 kg PERC Heavy for its class
JS210Mc150-485 485 Wp 20.10% 201.2 -0.340 - 26.5 kg PERC Modest efficiency
JS Solar JS210MC150-485 485 Wp 20.10% 201.2 -0.340 0.55% 26.5 kg - Fast degradation
Heliene 144HC-520 M10 SL BIFACIAL BI 520 Wp 20.10% 201.2 -0.340 0.50% 29.2 kg PERC Modest efficiency
Premier Energies PE 520HM 520 Wp 20.12% 201.2 -0.350 0.55% 29.0 kg PERC Needs more roof
YS Solar YS335SM-90 335 Wp 20.10% 201.2 -0.350 - 24.0 kg - Heavy for its class
Q.PEAK DUO BLK ML-G10.a+ 395 395 Wp 20.10% 201.2 -0.340 0.50% 22.0 kg PERC Cool in heat, top 15%
Q.PEAK DUO BLK ML-G10+ 395 395 Wp 20.10% 201.2 -0.340 0.50% 22.0 kg PERC Cool in heat, top 15%
Q.PEAK DUO BLK ML-G10.C1+/AC-395 395 Wp 20.10% 201.2 -0.340 0.50% 23.8 kg PERC Cool in heat, top 15%
Gamko New Energy GKA166M144 (440W class) 440 Wp 20.11% 201.1 -0.360 - 21.0 kg PERC Light for its class, top 6%
Gamko New Energy GKA166M144-440 440 Wp 20.11% 201.1 -0.360 0.45% 21.0 kg PERC Light for its class, top 6%
MYM3060-335 335 Wp 20.08% 201.1 -0.370 - 19.0 kg PERC Space-efficient, top 9%
MY Solar MYM3060-335 335 Wp 20.08% 201.1 -0.370 0.73% 19.0 kg PERC Fast degradation
Goldi Solar GS10-B120-GF-435 BI 435 Wp 20.10% 201.0 -0.320 0.55% 24.0 kg PERC Cool in heat, top 5%
Goldi Solar GS10-B120-TF-435 BI 435 Wp 20.10% 201.0 -0.350 0.55% 25.0 kg PERC Needs more roof
Colour key Strong - top 25% of segment Typical - middle 50% Weak - bottom 25%
Reading this table

Every number is ranked

Colour and bar show where a value sits inside that panel's own segment - its cell technology at its power class - not across the whole database.

Standout says why it matters

One phrase per row, generated from whichever metric is furthest from its segment median.

A dash means no data

The manufacturer did not publish it. We never estimate a missing value - the amber triangle marks those rows.

Technologies

TOPCon HJT PERC N-type