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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
Heckert Solar NEMO 3.0 120 M BLACK FRAME 380 380 Wp 20.00% 200.3 -0.343 - 20.5 kg - Degradation not published
Heckert Solar NeMo 3.0 120M 380 380 Wp 20.00% 200.3 -0.343 - 20.5 kg - Degradation not published
TSM-DE09.05-385 385 Wp 20.00% 200.3 -0.340 0.55% 21.0 kg PERC Cool in heat, top 15%
Hanersun HN21-40H385W 385 Wp 20.02% 200.3 -0.340 0.55% 21.0 kg PERC Cool in heat, top 15%
Hiwatt Solar HW-M12/80H-385 385 Wp 20.10% 200.3 -0.340 0.55% 21.0 kg TOPCon Fast degradation
Solarwatt SOLARWATT Panel vision GM 3.0 pure 375 Wp 375 Wp 20.20% 200.3 -0.340 - 25.0 kg PERC Degradation not published
Solarwatt Panel vision GM 3.0 pure 375 Wp 375 Wp 20.20% 200.3 -0.340 - 25.0 kg PERC Degradation not published
Gamko New Energy GKA166M120-365W 365 Wp 20.02% 200.2 -0.360 - 18.0 kg PERC Light for its class, top 3%
Gamko New Energy GKA166M120-365 365 Wp 20.02% 200.2 -0.360 0.46% 18.0 kg TOPCon Light for its class, top 4%
Isola New Energy YH440W-30M 440 Wp 20.30% 200.2 -0.350 - 9.0 kg Flexible Lightest in its segment
Heckert Solar NeMo® 4.2 80 M BLACK 390 390 Wp 20.10% 200.2 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NEMO® 4.1 80 M 390 390 Wp 20.00% 200.2 -0.343 - 21.0 kg PERC Degradation not published
Heckert Solar NEMO 4.1 80 M 390 390 Wp 20.00% 200.2 -0.343 - 21.0 kg - Degradation not published
Heckert Solar NeMo 4.2 80M 390 390 Wp 20.10% 200.2 -0.340 - 21.0 kg - Degradation not published
Heckert Solar NeMo 4.1 80M 390 390 Wp 20.00% 200.2 -0.343 - 21.0 kg - Degradation not published
Heckert Solar NEMO 4.2 80M BLACK 390 390 Wp 20.10% 200.2 -0.340 - 21.0 kg - Degradation not published
Q.PEAK DUO BLK-G9 345 345 Wp 20.00% 200.2 -0.350 0.50% 17.5 kg - Light for its class, top 9%
Shinson Technology SSL435-60CW 435 Wp 20.00% 200.2 -0.350 0.50% 6.5 kg Flexible Lightest in its segment
SP Enerji SP-335M72 335 Wp 20.01% 200.2 -0.370 0.50% 18.2 kg PERC Light for its class, top 3%
Philadelphia Solar PS-M72(BF)-405W BI 405 Wp 20.00% 200.2 -0.370 0.50% 23.0 kg PERC Weak in heat
DAH Solar DHN-48Z16/DG(RR)-400W BI 400 Wp 20.02% 200.2 -0.290 - 23.9 kg TOPCon Modest efficiency
DAH Solar DHN-48Z16/DG(RR)-400 BI 400 Wp 20.02% 200.2 -0.290 0.40% 23.9 kg TOPCon Modest efficiency
Solar-Fabrik Mono S4 HC V 400 BF-DG BI 400 Wp 20.02% 200.2 -0.290 0.40% 24.0 kg N-type Heavy for its class
FuturaSun FU 400 M 400 Wp 20.02% 200.2 -0.290 0.40% 21.3 kg PERC Cool in heat, top 2%
Solar-Fabrik Mono S4 Halfcut Chroma Orange 400W BI 400 Wp 20.02% 200.2 -0.290 - 24.0 kg TOPCon Modest efficiency
Haitai Solar CETC-325T(GDF)/60 BI 325 Wp 19.90% 200.2 -0.310 0.40% 20.0 kg TOPCon Top 3% efficiency
Panasonic EVPV350K 350 Wp 20.00% 200.2 -0.260 0.25% 19.5 kg HJT Modest efficiency
Bi-33-435 BI 435 Wp 20.01% 200.1 -0.365 0.55% 23.5 kg PERC Weak in heat
Bi-31-435 BI 435 Wp 20.01% 200.1 -0.365 0.55% 27.5 kg PERC Heavy for its class
WSMD-435 435 Wp 20.01% 200.1 -0.365 0.55% 23.5 kg PERC Weak in heat
EGing PV EG-435M72-HEV 435 Wp 20.01% 200.1 -0.350 0.55% 22.7 kg PERC Needs more roof
EGing PV EG-455M72-HE/BF-DG-435W BI 435 Wp 20.01% 200.1 -0.350 - 27.8 kg PERC Heavy for its class
EGing PV EG-435M72-HE/BF-DG BI 435 Wp 20.01% 200.1 -0.350 0.45% 27.8 kg PERC Heavy for its class
Resun Solar RS7I-435M 435 Wp 19.69% 200.1 -0.340 0.50% 25.0 kg - Modest efficiency
Philadelphia Solar PS-M144(HC)-435W 435 Wp 20.00% 200.1 -0.300 0.60% 24.0 kg PERC Cool in heat, top 3%
MC-144BD-435 BI 435 Wp 20.01% 200.1 -0.350 - 26.5 kg PERC Heavy for its class
MC-144-435 435 Wp 20.01% 200.1 -0.350 0.55% 22.0 kg PERC Needs more roof
LG LG440N2W-E6 440 Wp 20.00% 200.1 -0.330 0.33% 22.0 kg N-type Needs more roof
Boviet Solar BVM7610M-435-H-HC 435 Wp 20.01% 200.1 -0.350 0.55% 23.9 kg PERC Needs more roof
Vikram Solar SOMERA VSMH.72.445.05 445 Wp 20.01% 200.1 -0.350 0.55% 23.5 kg PERC Needs more roof
Panasonic VBHN335SJ53 335 Wp 20.00% 200.1 -0.258 0.45% 19.0 kg HJT Cool in heat, top 2%
Panasonic VBHN335SA17 BI 335 Wp 20.00% 200.1 -0.258 0.26% 18.5 kg HJT Cool in heat, top 2%
Bi-55-515 BI 515 Wp 20.01% 200.1 -0.350 0.55% 32.5 kg PERC Heavy for its class
Bi-57-515 BI 515 Wp 20.01% 200.1 -0.350 0.55% 27.5 kg PERC Modest efficiency
WSMD-515 515 Wp 20.01% 200.1 -0.350 0.55% 27.5 kg PERC Modest efficiency
Aptos Solar DNA-120-BF26-365W BI 365 Wp 20.01% 200.1 -0.360 0.54% 19.5 kg PERC Typical across the board
Sunlike Solar LNSK-365M 365 Wp 20.01% 200.1 -0.360 0.53% 20.0 kg PERC Typical across the board
VDS Renewable VDS-S120/M6H-365 365 Wp 20.00% 200.1 -0.340 0.55% 19.8 kg - Cool in heat, top 21%
Selfa SV120M.3.2-365 365 Wp 20.00% 200.1 -0.360 0.22% 20.3 kg PERC Slow degradation, top 1%
STP365S-B60/Wnhb 365 Wp 20.00% 200.1 -0.360 0.55% 20.3 kg - Typical across the board
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