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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 Resun Solar Longi Solar Suntech Hanersun Gamko New Energy GCL Waaree Vikram Solar ZNShine SunEvo 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 Premier Energies SunLink TCL Zhonghuan Hyundai First Solar VDS Renewable SpolarPV Recom Boviet Solar PVolution Sun Earth AUSTA ENERGY REC SunKean Isola New Energy Sunket New Energy Rarlon PV Tech Solitek Adani Solar Silfab Renewsys Axitec Gokin Hounen Solar Solarwatt WINAICO Solar-Fabrik Just Solar RedSolar Exiom Tata Power Solar Lina Energy FuturaSun G-STAR Maxeon Ocean Solar CSUN Selfa Aptos Solar IBC Solar SP Enerji 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 Solarever 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 Peimar Solar Power Vietnam YS Solar Zonergy ENCOR AKCOME KDM Kingdom Solar Kingdom Easun Power LS Solar MWG ASM AU Optronics Growatt RMCIP Tescom Solar Top Solar Wanze Energy
Active 300 Wp and up Found 13,554 panels
Model Power Efficiency Wp/m² Temp Degr. Weight Tech. Standout
JKM535M-72HL4-BDVP BI 535 Wp 20.75% 207.5 -0.350 0.45% 34.3 kg PERC Heavy for its class
JKM535M-72HL4-TV BI 535 Wp 20.75% 207.5 -0.350 0.45% 28.9 kg PERC Slow degradation, top 20%
MM535-72HDL-MB / MM535-72HDL-MBV 535 Wp 20.75% 207.5 -0.350 0.55% 28.9 kg - Heavy for its class
Vikram Solar PREXOS VSMDHT.72.535.05 BI 535 Wp 20.75% 207.5 -0.350 0.55% 28.2 kg PERC Typical across the board
Vikram Solar SOMERA VSMH.72.535.05 535 Wp 20.75% 207.5 -0.350 0.55% 28.2 kg PERC Typical across the board
MM535-72HLD-MB 535 Wp 20.75% 207.5 -0.350 0.55% 28.9 kg - Heavy for its class
Elege Electronic 54M405HM10 405 Wp 20.75% 207.5 -0.348 - 21.5 kg PERC Degradation not published
TSM-DE18M(II)-500 500 Wp 20.70% 207.5 -0.340 0.55% 26.3 kg PERC Cool in heat, top 23%
TSM-DEG18MC.20(II)-500W BI 500 Wp 20.70% 207.5 -0.340 0.45% 30.1 kg PERC Heavy for its class
TSM-DEG18MC.20(II)-500 BI 500 Wp 20.70% 207.5 -0.340 0.45% 30.1 kg PERC Heavy for its class
JS210Mc150-500 500 Wp 20.70% 207.5 -0.340 - 26.5 kg PERC Degradation not published
JS Solar JS210MC150-500 500 Wp 20.70% 207.5 -0.340 0.55% 26.5 kg - Modest efficiency
RSM156-6-450M 450 Wp 20.70% 207.4 -0.370 0.55% 25.5 kg PERC Weak in heat
Emmvee E450HCM120-B 450 Wp 20.74% 207.4 -0.350 0.55% 24.0 kg PERC Typical across the board
Emmvee E450HCBG120 BI 450 Wp 20.74% 207.4 -0.350 0.45% 26.0 kg PERC Slow degradation, top 11%
Emmvee E450HCBT120 BI 450 Wp 20.74% 207.4 -0.350 0.55% 24.0 kg PERC Typical across the board
Emmvee E450HCMW120 450 Wp 20.74% 207.4 -0.350 0.55% 24.0 kg PERC Typical across the board
JS350M 350 Wp 20.70% 207.4 -0.280 - 19.0 kg PERC Cool in heat, top 2%
JAM54S30-405/MR 405 Wp 20.70% 207.4 -0.350 0.55% 19.5 kg PERC Light for its class, top 7%
CS6R-405MS 405 Wp 20.70% 207.4 -0.340 0.55% 21.3 kg PERC Cool in heat, top 24%
Q.PEAK DUO M-G11S 405 405 Wp 20.70% 207.4 -0.340 0.50% 21.1 kg - Typical across the board
Q.PEAK DUO BLK M-G11S 405 405 Wp 20.70% 207.4 -0.340 0.50% 21.1 kg PERC Slow degradation, top 22%
TW405MAP-108-H-F 405 Wp 20.70% 207.4 -0.340 0.55% 20.5 kg PERC Cool in heat, top 24%
JAM54S31-405/MR 405 Wp 20.70% 207.4 -0.350 0.55% 19.5 kg PERC Light for its class, top 7%
JKM405M-54HL4-V 405 Wp 20.74% 207.4 -0.350 0.55% 22.0 kg PERC Typical across the board
JAM54D41-405/GB BI 405 Wp 20.70% 207.4 -0.300 0.40% 21.5 kg TOPCon Modest efficiency
JAM54D30-405/GB BI 405 Wp 20.70% 207.4 -0.350 0.45% 21.5 kg PERC Slow degradation, top 9%
JKM405N-54HL4-B 405 Wp 20.74% 207.4 -0.290 0.40% 22.0 kg N-type Needs more roof
LR5-54HPH-405M 405 Wp 20.70% 207.4 -0.340 0.55% 20.8 kg PERC Cool in heat, top 24%
Q-SUN Solar QNM182-HS405-54 405 Wp 20.70% 207.4 -0.320 0.55% 20.8 kg PERC Cool in heat, top 5%
LEDVANCE M385~405P54LM-BB-F3 (405W class) 405 Wp 20.74% 207.4 -0.350 0.55% 20.2 kg PERC Light for its class, top 15%
LEDVANCE M405P54LM-BF-F3 405 Wp 20.74% 207.4 -0.350 0.55% 20.2 kg PERC Light for its class, top 15%
GCL-M10/54BH-405W 405 Wp 20.70% 207.4 -0.360 - 20.5 kg PERC Degradation not published
LR5-54HPB-405M 405 Wp 20.70% 207.4 -0.340 0.55% 20.8 kg PERC Cool in heat, top 24%
GCL-M10/54H-405W 405 Wp 20.70% 207.4 -0.350 - 20.5 kg PERC Degradation not published
LEDVANCE M405P54LM-SF-F3 405 Wp 20.74% 207.4 -0.350 0.55% 20.2 kg PERC Light for its class, top 15%
STP405S-C54/Umhm 405 Wp 20.70% 207.4 -0.340 0.55% 21.0 kg TOPCon Modest efficiency
PS405M8GF-18/VH BI 405 Wp 20.74% 207.4 -0.330 0.45% 21.0 kg PERC Slow degradation, top 9%
LR5-54HIB-405M 405 Wp 20.70% 207.4 -0.340 0.55% 21.5 kg PERC Cool in heat, top 24%
PS405M6-18/VH 405 Wp 20.74% 207.4 -0.330 0.55% 21.5 kg PERC Cool in heat, top 10%
STP405S-C54/Umhb 405 Wp 20.70% 207.4 -0.340 0.55% 21.0 kg TOPCon Modest efficiency
Talesun TP7F54M-405W 405 Wp 20.70% 207.4 -0.350 0.55% 21.5 kg PERC Typical across the board
Huayao HY405-M108BDD BI 405 Wp 20.74% 207.4 -0.350 0.45% 23.5 kg PERC Slow degradation, top 9%
Huayao HY405-M108BSS 405 Wp 20.74% 207.4 -0.350 0.55% 20.5 kg PERC Typical across the board
YL405D-37e 1/2 / YL405D-37e 1500V 1/2 405 Wp 20.70% 207.4 -0.350 0.55% 21.5 kg PERC Typical across the board
YL405DF54 e/2 BI 405 Wp 20.70% 207.4 -0.350 0.45% 24.8 kg PERC Heavy for its class
Talesun TP7G54M/405W BI 405 Wp 20.70% 207.4 -0.350 0.55% 21.5 kg PERC Typical across the board
ZXM7-SH108-405W 405 Wp 20.74% 207.4 -0.350 0.55% 20.5 kg PERC Typical across the board
Solarwatt SOLARWATT Panel vision AM 4.0 pure BI 405 Wp 20.70% 207.4 -0.330 - 25.4 kg PERC Heavy for its class
HT-SAAE HT54-18X(PD)-F 405W BI 405 Wp 20.70% 207.4 -0.330 0.50% 24.0 kg PERC Cool in heat, top 10%
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