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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 PVolution 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 13,438 panels
Model Power Efficiency Wp/m² Temp Degr. Weight Tech. Standout
Amerisolar AS-8M132-HC-640W 640 Wp 20.60% 206.0 -0.340 0.60% 34.0 kg PERC Fast degradation
Emmvee E490HCMW132 490 Wp 20.61% 206.1 -0.350 0.55% 25.0 kg PERC Needs more roof
KB Solar KBS-380 BI 380 Wp 20.60% 206.0 -0.330 - 20.0 kg PERC Cool in heat, top 6%
RSM132-6-380HDGB BI 380 Wp 20.60% 206.0 -0.240 0.30% 35.0 kg HJT Heavy for its class
JAM78D10-455/MB/1500V BI 455 Wp 20.60% 206.0 -0.354 0.50% 29.0 kg PERC Heavy for its class
JSHC166M120-375W 375 Wp 21.30% 206.0 -0.340 - 34.0 kg - Top 2% efficiency
JS Solar JSHC166M120-375 375 Wp 21.30% 206.0 -0.340 0.55% 20.2 kg - Top 2% efficiency
MC-120-375 375 Wp 20.60% 206.0 -0.350 - 18.6 kg PERC Light for its class, top 4%
MYM6144-455 455 Wp 20.60% 206.0 -0.390 - 25.6 kg PERC Weak in heat
Techwise Solar TW-455HT-120M 455 Wp 20.43% 206.0 -0.350 - 26.5 kg PERC Degradation not published
JS Solar JS455M144 455 Wp 20.60% 206.0 -0.340 0.55% 27.0 kg PERC Heavy for its class
JS Solar JS455M 455 Wp 20.60% 206.0 -0.280 0.70% 24.9 kg PERC Cool in heat, top 1%
MY Solar MYM6144-455 455 Wp 20.60% 206.0 -0.390 - 25.6 kg PERC Weak in heat
CS3W-455MS 455 Wp 20.60% 206.0 -0.350 - 24.9 kg PERC Degradation not published
Bruk-Bet PEM.BB-450 450 Wp 20.60% 206.0 -0.324 - 24.5 kg PERC Cool in heat, top 5%
Gamko New Energy GKA157M60-335W 335 Wp 20.59% 205.9 -0.360 0.50% 21.0 kg PERC Space-efficient, top 1%
Bi-55-530 BI 530 Wp 20.59% 205.9 -0.350 0.55% 32.5 kg PERC Heavy for its class
Bi-57-530 BI 530 Wp 20.59% 205.9 -0.350 0.55% 27.5 kg PERC Modest efficiency
WSMD-530 530 Wp 20.59% 205.9 -0.350 0.55% 27.5 kg PERC Modest efficiency
Panasonic EVPV360 360 Wp 20.60% 205.9 -0.260 0.25% 19.5 kg HJT Weak in heat
Panasonic EVPV360K 360 Wp 20.60% 205.9 -0.260 0.25% 19.5 kg HJT Weak in heat
Vikram Solar PREXOS VSMDHT.60.445.05 BI 445 Wp 20.59% 205.9 -0.350 0.55% 24.0 kg PERC Typical across the board
Q.PEAK DUO BLK M-G11+ 395 395 Wp 20.60% 205.9 -0.340 0.50% 21.2 kg PERC Space-efficient, top 7%
CHSM60M-HC 375W 375 Wp 20.60% 205.9 -0.350 0.55% 19.1 kg PERC Top 7% efficiency
LR4-60HPB-375M 375 Wp 20.60% 205.9 -0.340 0.55% 19.5 kg PERC Top 7% efficiency
EGing PV EG-380M60-HEV-375W 375 Wp 20.58% 205.9 -0.350 - 19.0 kg PERC Light for its class, top 7%
S-Energy SL45-60BDI-375Z BI 375 Wp 20.59% 205.9 -0.360 0.45% 22.5 kg PERC Slow degradation, top 5%
LF375M8-60H 375 Wp 20.60% 205.9 -0.381 0.55% 20.0 kg N-type Fast degradation
EGing PV EG-375M60-HEV 375 Wp 20.58% 205.9 -0.350 0.55% 19.0 kg PERC Light for its class, top 7%
CHSM60M-HC-375 375 Wp 20.60% 205.9 -0.350 0.55% 19.1 kg PERC Top 7% efficiency
CSUN CSUN375-120M 375 Wp 20.60% 205.9 -0.370 0.70% 19.5 kg PERC Top 7% efficiency
ENCOR EC375M-6-120B 375 Wp 20.59% 205.9 -0.365 0.55% 21.0 kg PERC Space-efficient, top 8%
Resun Solar RS7K-375M 375 Wp 20.60% 205.9 -0.340 0.50% 19.0 kg - Light for its class, top 3%
Resun Solar RS7K-M-375W 375 Wp 20.60% 205.9 -0.340 0.50% 19.5 kg - Light for its class, top 7%
TSM-DE17M(II)-450W 450 Wp 20.60% 205.8 -0.340 0.55% 24.0 kg PERC Cool in heat, top 19%
Amerisolar AS-6M144-HC-450 450 Wp 20.58% 205.8 -0.360 0.55% 24.0 kg PERC Weak in heat
Heliene 156HC M10 SL Bifacial - 575W class BI 575 Wp 20.60% 205.8 -0.340 0.50% 31.0 kg PERC Needs more roof
Heliene 156HC-575 M10 SL BIFACIAL BI 575 Wp 20.60% 205.8 -0.340 0.50% 31.0 kg PERC Needs more roof
STP575S-C78/Pmhg BI 575 Wp 20.60% 205.8 -0.360 0.55% 31.1 kg - Modest efficiency
STP575S-C78/Vmh 575 Wp 20.60% 205.8 -0.360 0.55% 31.1 kg - Modest efficiency
Motech XS60CF-445 445 Wp 20.58% 205.8 -0.348 - 23.5 kg - Degradation not published
GCL-M10/72H-B 540W 540 Wp 20.60% 205.8 -0.360 - 27.6 kg PERC Weak in heat
GCL-M10/72GDF-B-540 BI 540 Wp 20.60% 205.8 -0.350 0.45% 33.2 kg PERC Heavy for its class
GCL-M10/72H-540B 540 Wp 20.60% 205.8 -0.360 0.55% 27.6 kg PERC Weak in heat
GCL-M10/72H-B 540 540 Wp 20.60% 205.8 -0.360 0.55% 27.6 kg PERC Weak in heat
JAM66D30-490/MB/1500V BI 490 Wp 20.60% 205.8 -0.350 0.45% 29.0 kg PERC Slow degradation, top 11%
S-Energy SL65-66MAJ-490Z 490 Wp 20.58% 205.8 -0.350 0.55% 27.0 kg PERC Needs more roof
AmoSolar AS375M6-120 375 Wp 20.57% 205.7 -0.350 0.55% 20.5 kg PERC Space-efficient, top 9%
Gamko New Energy GKA166M120-375W 375 Wp 20.57% 205.7 -0.360 - 18.0 kg PERC Light for its class, top 2%
Gamko New Energy GKA166M120-375 375 Wp 20.57% 205.7 -0.360 0.46% 18.0 kg TOPCon Light for its class, top 2%
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