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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
AE MD-132E 500W 500 Wp 21.07% 210.7 -0.350 0.55% 24.5 kg PERC Light for its class, top 8%
AE MD-132 500W 500 Wp 21.07% 210.7 -0.350 0.55% 24.5 kg PERC Light for its class, top 8%
AE MD-132E-500 500 Wp 21.07% 210.7 -0.350 0.55% 24.5 kg PERC Light for its class, top 8%
AE MD-132BD-500 BI 500 Wp 21.07% 210.7 -0.350 0.55% 28.0 kg PERC Typical across the board
AE MD-132-500 500 Wp 21.07% 210.7 -0.350 0.55% 24.5 kg PERC Light for its class, top 8%
PS460M4H-24/TH 460 Wp 21.07% 210.7 -0.350 0.55% 25.0 kg PERC Top 24% efficiency
PS460M4-24/TH 460 Wp 21.07% 210.7 -0.350 0.55% 25.0 kg PERC Top 24% efficiency
ZXM7-SHW144-540 540 Wp 21.07% 210.7 -0.350 0.60% 13.5 kg PERC Lightest in its segment
TSM-DE09.08-405 405 Wp 21.10% 210.7 -0.340 0.55% 21.0 kg PERC Top 17% efficiency
TSM-405DE09.08 405 Wp 21.10% 210.7 -0.340 0.55% 21.0 kg - Fast degradation
RSM40-8-405M 405 Wp 21.10% 210.7 -0.340 0.55% 22.0 kg PERC Top 17% efficiency
Hanersun HN21-40H405W 405 Wp 21.07% 210.7 -0.340 0.55% 21.0 kg PERC Space-efficient, top 18%
Just Solar JST405M(120) 405 Wp 21.10% 210.7 -0.340 0.65% 21.0 kg Back Contact Modest efficiency
Hiwatt Solar HW-M12/80H-405 405 Wp 21.10% 210.7 -0.340 0.55% 21.0 kg TOPCon Fast degradation
JS210MC120-405 405 Wp 21.10% 210.7 -0.350 - 21.0 kg PERC Degradation not published
TSM-405 DE09.08 405 Wp 21.10% 210.7 -0.340 - 21.0 kg - Degradation not published
JS Solar JS210MC120-405 405 Wp 21.10% 210.7 -0.350 0.55% 21.0 kg - Fast degradation
JAM66S30-500/MR 500 Wp 21.10% 210.7 -0.350 0.55% 25.2 kg PERC Light for its class, top 19%
JAM66S30-500/MR/1500V 500 Wp 21.10% 210.7 -0.350 0.55% 26.3 kg PERC Top 21% efficiency
Premier Energies PE-500HB BI 500 Wp 21.07% 210.7 -0.350 0.45% 26.0 kg PERC Slow degradation, top 20%
Goldi Solar GS10-B132-GF-500 BI 500 Wp 21.06% 210.6 -0.320 0.50% 28.0 kg PERC Cool in heat, top 3%
Goldi Solar GS10-B132-TF-500 BI 500 Wp 21.06% 210.6 -0.340 0.55% 26.5 kg PERC Cool in heat, top 23%
Goldi Solar GS10-M132-WF-500 500 Wp 21.06% 210.6 -0.340 0.55% 26.5 kg PERC Cool in heat, top 23%
TEB-NEDA4ND.45-385W 385 Wp 21.10% 210.6 -0.290 0.40% 41.0 kg TOPCon Heavy for its class
TEB-NEDA4ND.45-385 385 Wp 21.10% 210.6 -0.290 0.40% 41.0 kg TOPCon Heavy for its class
PS500M6-22/WH 500 Wp 21.06% 210.6 -0.330 0.55% 26.0 kg PERC Cool in heat, top 8%
ZXM7-SHLDD132-500 BI 500 Wp 21.06% 210.6 -0.350 0.45% 29.0 kg PERC Slow degradation, top 20%
ZXM7-SHLD132-500 500 Wp 21.06% 210.6 -0.350 0.45% 29.0 kg PERC Slow degradation, top 20%
TS-BW66(500) BI 500 Wp 21.10% 210.6 -0.330 0.55% 25.3 kg PERC Cool in heat, top 8%
TS-BG66(500) BI 500 Wp 21.06% 210.6 -0.330 0.45% 28.5 kg PERC Cool in heat, top 8%
TS-BB66(500) BI 500 Wp 21.06% 210.6 -0.330 0.55% 25.3 kg PERC Cool in heat, top 8%
Heliene 132HC-500 M10 SL 500 Wp 21.10% 210.6 -0.340 0.50% 27.0 kg PERC Top 21% efficiency
S-Energy SL65-66BDJ-500Z BI 500 Wp 21.06% 210.6 -0.350 0.45% 29.0 kg PERC Slow degradation, top 20%
RS480~500S8-132GA-500 BI 500 Wp 21.10% 210.6 -0.353 - 29.5 kg PERC Degradation not published
AmoSolar AS500M10-132 500 Wp 21.06% 210.6 -0.350 0.55% 24.5 kg PERC Light for its class, top 8%
Lina Energy LEPV 132 HC ICON PLUS 500Wp (BLACK - STANDARD - BICOLOUR) 500 Wp 21.06% 210.6 -0.350 - 26.3 kg - Degradation not published
LF500M10-66H 500 Wp 21.10% 210.6 -0.354 0.55% 26.5 kg PERC Weak in heat
Jinergy JKL132-B-500MH 500 Wp 21.05% 210.6 -0.360 0.55% 26.0 kg PERC Weak in heat
Techwise Solar TW-500HT 500 Wp 21.06% 210.6 -0.350 0.55% 26.0 kg PERC Typical across the board
Sunlike Solar LNVT-500M BI 500 Wp 21.06% 210.6 -0.360 0.53% 25.5 kg PERC Weak in heat
NS-500MH-132 500 Wp 21.05% 210.6 -0.290 - 24.0 kg N-type Modest efficiency
JS182MHC132-500 500 Wp 21.00% 210.6 -0.340 - 26.0 kg PERC Degradation not published
Gamko New Energy GKA182M132S-500 BI 500 Wp 21.06% 210.6 -0.360 - 23.0 kg PERC Light for its class, top 2%
JS Solar JS182MHC132-500 500 Wp 21.00% 210.6 -0.340 0.55% 26.0 kg - Typical across the board
Gamko New Energy GKA182M132-500 BI 500 Wp 21.06% 210.6 -0.360 0.46% 23.0 kg PERC Light for its class, top 2%
Lu'an Solar JKL132-B-500MH 500 Wp 21.01% 210.6 -0.340 0.55% 26.0 kg PERC Cool in heat, top 23%
Lina Energy LEPV 500 500 Wp 21.06% 210.6 -0.350 - 26.3 kg - Degradation not published
RS500S8-132GA BI 500 Wp 21.10% 210.6 -0.353 0.45% 29.5 kg PERC Weak in heat
PolyCrown Solar Tech NS-500MH-132 500 Wp 21.05% 210.6 -0.290 0.42% 24.0 kg N-type Fast degradation
DualSun DS500-132M10B-01 500 Wp 20.80% 210.6 -0.360 0.45% 30.2 kg PERC Heavy for its class
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