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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
Heckert Solar NeMo® 4.2 80 M 400 403 Wp 20.50% 206.9 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NEMO® 4.280 M BLACK FRAME 400Wp 403 Wp 20.50% 206.9 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NeMo 4.2 80 M 400 Black Frame 403 Wp 20.50% 206.9 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NEMO 4.2 80 M 400 403 Wp 20.50% 206.9 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NeMo 4.2 80 M Black 400 403 Wp 20.50% 206.9 -0.340 - 21.0 kg - Degradation not published
Heckert Solar NeMo 4.2 80 M 400 403 Wp 20.50% 206.9 -0.340 - 21.0 kg - Degradation not published
Just Solar JST350M(120) 350 Wp 20.70% 206.9 -0.290 0.65% 19.0 kg Back Contact Space-efficient, top 11%
JAM60S20-385/MR 385 Wp 20.70% 206.9 -0.350 0.55% 20.2 kg PERC Top 6% efficiency
JAM60S21-385/MR/1000V 385 Wp 20.70% 206.9 -0.350 0.55% 18.8 kg PERC Light for its class, top 3%
Vikram Solar SOMERA VSMH.72.460.05 460 Wp 20.68% 206.8 -0.350 0.55% 23.5 kg PERC Typical across the board
LG LG375Q1K-A6.B 375 Wp 20.70% 206.8 -0.290 0.25% 18.5 kg N-type Slow degradation, top 5%
REC REC400AA PURE-R BI 400 Wp 20.70% 206.8 -0.240 0.25% 21.5 kg HJT Modest efficiency
REC REC400AA Pure-R BI 400 Wp 20.70% 206.8 -0.240 0.25% 21.5 kg HJT Modest efficiency
ZXM7-SHW144-530 530 Wp 20.68% 206.8 -0.350 0.60% 13.5 kg PERC Lightest in its segment
Silfab SIL-410 HC+ 410 Wp 20.70% 206.8 -0.360 0.50% 21.3 kg PERC Weak in heat
SP Enerji SP-410M72 BI 410 Wp 20.67% 206.8 -0.370 0.80% 23.5 kg PERC Fast degradation
S-Energy SL65-66BAJ-490S 490 Wp 20.70% 206.7 -0.350 0.54% 26.5 kg PERC Typical across the board
Aptos Solar DNA-144-MF26-450W 450 Wp 20.21% 206.7 -0.380 0.54% 24.1 kg PERC Weak in heat
VDS Renewable VDS-S144/M6H-450 450 Wp 20.70% 206.7 -0.340 0.55% 23.8 kg - Fast degradation
VDS Renewable VDS-S144/M6H-BG-450W BI 450 Wp 20.60% 206.7 -0.340 0.45% 28.5 kg - Heavy for its class
Sunlike Solar LNSU-450M BI 450 Wp 20.67% 206.7 -0.360 0.53% 23.0 kg PERC Weak in heat
VDS Renewable VDS-S144/M6H-BG-450 BI 450 Wp 20.60% 206.7 -0.340 0.45% 28.5 kg - Heavy for its class
CW Enerji CWT450-144MB 450 Wp 20.70% 206.7 -0.360 0.60% 24.5 kg PERC Fast degradation
STP450S-B72/Vnh 450 Wp 20.70% 206.7 -0.360 0.55% 24.5 kg - Weak in heat
STP450S-B72/Pnhg BI 450 Wp 20.70% 206.7 -0.360 0.55% 24.5 kg - Weak in heat
CS7L-585MB-AG BI 585 Wp 20.70% 206.7 -0.340 0.45% 34.5 kg PERC Needs more roof
CS7L-585MS 585 Wp 20.70% 206.7 -0.340 0.55% 30.9 kg PERC Needs more roof
TSM-DEG20C.20-585W BI 585 Wp 20.70% 206.7 -0.340 0.45% 34.9 kg PERC Needs more roof
LEDVANCE M585~605P60UB-SF-F3 (585W bin) BI 585 Wp 20.67% 206.7 -0.340 0.45% 35.0 kg PERC Modest efficiency
LEDVANCE M585P60UB-SF BI 585 Wp 20.67% 206.7 -0.300 0.45% 34.5 kg PERC Cool in heat, top 1%
Talesun TP8F60M-585W 585 Wp 20.70% 206.7 -0.340 0.55% 31.5 kg PERC Needs more roof
YL585DF60f/2 BI 585 Wp 20.70% 206.7 -0.340 0.45% 35.1 kg PERC Needs more roof
YL585D-41f 1/2 / YL585D-41f 1500V 1/2 585 Wp 20.70% 206.7 -0.340 0.55% 31.0 kg PERC Needs more roof
Talesun TD8G60M-585 BI 585 Wp 20.70% 206.7 -0.340 0.45% 34.8 kg PERC Needs more roof
ZXM8-TPLD120-585 585 Wp 20.67% 206.7 -0.340 0.45% 35.0 kg PERC Modest efficiency
ZXM8-TPLDD120-585 BI 585 Wp 20.67% 206.7 -0.340 0.45% 35.0 kg PERC Modest efficiency
EGing PV EG-605M60-HU/BF-DG-585W BI 585 Wp 20.67% 206.7 -0.340 - 35.0 kg PERC Modest efficiency
EGing PV EG-605M60-HUV-585 585 Wp 20.67% 206.7 -0.340 - 29.9 kg PERC Modest efficiency
AmoSolar AS585G12-120 585 Wp 20.67% 206.7 -0.340 0.55% 30.9 kg PERC Modest efficiency
Runergy SS9-60HD-585M BI 585 Wp 20.67% 206.7 -0.330 0.45% 34.5 kg PERC Modest efficiency
Sunplus SR5-60HBD-585M BI 585 Wp 20.70% 206.7 -0.340 0.45% 34.9 kg PERC Needs more roof
Hiwatt Solar HW-M12/120H-585 585 Wp 20.70% 206.7 -0.340 0.55% 30.9 kg PERC Needs more roof
JS210MHC120-585 585 Wp 20.70% 206.7 -0.340 - 30.6 kg PERC Needs more roof
RSM120-8-585BMDG BI 585 Wp 20.70% 206.7 -0.340 0.45% 37.0 kg PERC Heavy for its class
Vikram Solar VSMH.60.AAA.05-585W 585 Wp 20.67% 206.7 -0.350 0.55% 30.8 kg PERC Modest efficiency
EGing PV EG-585M60-HU/BF-DG BI 585 Wp 20.67% 206.7 -0.340 0.45% 35.0 kg PERC Modest efficiency
EGing PV EG-585M60-HUV 585 Wp 20.67% 206.7 -0.340 0.55% 29.9 kg PERC Modest efficiency
JS Solar JS210MHC120-585 585 Wp 20.70% 206.7 -0.340 0.55% 30.6 kg - Needs more roof
LEDVANCE M585P60UB-SF-F3 BI 585 Wp 20.67% 206.7 -0.340 0.45% 35.0 kg PERC Modest efficiency
Hiwatt Solar HW-M12/120H(585) 585 Wp 20.70% 206.7 -0.340 0.55% 30.9 kg - 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