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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
Resun Solar RS8V-M-410 410 Wp 21.00% 210.0 -0.350 0.50% 22.0 kg - Typical across the board
Resun Solar RS8V-M 410 Wp 21.00% 210.0 -0.350 0.50% 21.5 kg - Typical across the board
JAM66D30-500/MB/1500V BI 500 Wp 21.00% 210.0 -0.350 0.45% 29.0 kg PERC Slow degradation, top 20%
S-Energy SL65-66MAJ-500Z 500 Wp 21.00% 210.0 -0.350 0.55% 27.0 kg PERC Typical across the board
AE CMD-L144BD-570 BI 570 Wp 20.99% 209.9 -0.290 0.40% 29.5 kg TOPCon Modest efficiency
Just Solar JST355M(120) 355 Wp 21.00% 209.8 -0.290 0.65% 19.0 kg Back Contact Space-efficient, top 6%
PS420M4-22/WH 420 Wp 20.98% 209.8 -0.350 0.55% 23.0 kg PERC Typical across the board
JAM72D30-555/LB/1500V BI 555 Wp 21.00% 209.8 -0.350 0.45% 32.5 kg PERC Slow degradation, top 20%
Bi-55-540 BI 540 Wp 20.98% 209.8 -0.350 0.55% 32.5 kg PERC Heavy for its class
Bi-57-540 BI 540 Wp 20.98% 209.8 -0.350 0.55% 27.5 kg PERC Light for its class, top 24%
WSMD-540 540 Wp 20.98% 209.8 -0.350 0.55% 27.5 kg PERC Light for its class, top 24%
Sunlike Solar LNVT-500MD BI 500 Wp 20.98% 209.8 -0.360 0.53% 28.5 kg - Heavy for its class
RSM156-6-455M 455 Wp 21.00% 209.7 -0.370 0.55% 25.5 kg PERC Weak in heat
Leapton LP182*182-M-54-MH-410W 410 Wp 20.97% 209.7 -0.360 0.55% 21.0 kg TOPCon Weak in heat
Lina Energy LEPV 410 410 Wp 20.98% 209.7 -0.350 - 21.5 kg TOPCon Weak in heat
VDS Renewable VDS-S108/M10H-410 410 Wp 21.00% 209.7 -0.340 0.55% 22.0 kg PERC Top 24% efficiency
PolyCrown Solar Tech NS-410MH-108 410 Wp 20.97% 209.7 -0.290 0.42% 19.5 kg N-type Fast degradation
JS182MHC108-410 410 Wp 20.97% 209.7 -0.340 - 21.5 kg PERC Degradation not published
Selfa SV108M.4.3-410 410 Wp 21.00% 209.7 -0.360 0.18% 22.0 kg PERC Slow degradation, top 1%
Selfa SV108M.3-410 410 Wp 21.00% 209.7 -0.360 0.67% 22.1 kg PERC Fast degradation
STP410S-C54/Umh 410 Wp 21.00% 209.7 -0.360 0.55% 22.1 kg TOPCon Weak in heat
JS Solar JS182MHC108-410 410 Wp 20.97% 209.7 -0.340 0.55% 21.5 kg - Fast degradation
Mission Solar MSE410HT0B 410 Wp 21.00% 209.7 -0.343 0.55% 19.0 kg PERC Light for its class, top 4%
Neo Solar Power NESE 415-54MHF-M10 415 Wp 20.96% 209.6 -0.380 - 6.3 kg PERC Lightest in its segment
New East Solar NESE 415-54MHF-M10 415 Wp 20.96% 209.6 -0.380 0.59% 6.3 kg PERC Lightest in its segment
S-Energy SL65-60MAJ-455Z 455 Wp 20.96% 209.6 -0.350 0.55% 24.0 kg PERC Typical across the board
WSMD-655 655 Wp 20.99% 209.6 -0.340 0.55% 34.5 kg PERC Modest efficiency
Bi-68-655 BI 655 Wp 20.99% 209.6 -0.340 0.55% 39.0 kg PERC Heavy for its class
LG LG380Q1K-A6.B 380 Wp 21.00% 209.6 -0.290 0.25% 18.5 kg N-type Slow degradation, top 5%
GCL-M10/72H-B 550W 550 Wp 21.00% 209.6 -0.360 - 27.6 kg PERC Weak in heat
GCL-M10/72GDF-B-550 BI 550 Wp 21.00% 209.6 -0.350 0.45% 33.2 kg PERC Heavy for its class
GCL-M10/72H-B 550 550 Wp 21.00% 209.6 -0.360 0.55% 27.6 kg PERC Weak in heat
GCL-M10/72H-550B 550 Wp 21.00% 209.6 -0.360 0.55% 27.6 kg PERC Weak in heat
JAM60S20-390/MR 390 Wp 21.00% 209.6 -0.350 0.55% 20.2 kg PERC Space-efficient, top 2%
JAM60S21-390/MR/1000V 390 Wp 21.00% 209.6 -0.350 0.55% 18.8 kg PERC Space-efficient, top 2%
JKM400M-6RL3 400 Wp 20.96% 209.6 -0.350 0.55% 20.8 kg PERC Typical across the board
JKM400M-6RL3-V 400 Wp 20.96% 209.6 -0.350 0.55% 20.8 kg PERC Typical across the board
JKM400N-6RL3-B 400 Wp 20.96% 209.6 -0.340 0.40% 20.8 kg N-type Weak in heat
RSM130-8-435M 435 Wp 21.00% 209.6 -0.340 0.55% 22.5 kg PERC Top 24% efficiency
TSM-DEG18MC.20(II)-505W BI 505 Wp 21.00% 209.5 -0.340 0.45% 30.1 kg PERC Heavy for its class
TSM-DEG18MC.20(II)-505 BI 505 Wp 21.00% 209.5 -0.340 0.45% 30.1 kg PERC Heavy for its class
TSM-DE18M(II)-505 505 Wp 21.00% 209.5 -0.340 0.55% 26.3 kg PERC Cool in heat, top 23%
JS210Mc150-505 505 Wp 21.00% 209.5 -0.340 - 26.5 kg PERC Degradation not published
JS Solar JS210MC150-505 505 Wp 21.00% 209.5 -0.340 0.55% 26.5 kg - Typical across the board
Q.PEAK DUO RSF XL-G11S.3 / BFG 585 BI 585 Wp 21.00% 209.5 -0.340 0.45% 36.4 kg PERC Heavy for its class
Q.PEAK DUO XL-G11S.3 / BFG 585 BI 585 Wp 21.00% 209.5 -0.340 0.45% 34.9 kg - Heavy for its class
S-Energy SL85-66BDL-650R BI 650 Wp 20.95% 209.5 -0.340 0.45% 37.9 kg PERC Modest efficiency
AE ME-132 650W 650 Wp 20.95% 209.5 -0.340 - 31.5 kg PERC Light for its class, top 4%
ME-132BD-650 BI 650 Wp 20.95% 209.5 -0.340 - 37.0 kg PERC Degradation not published
AE ME-132BD-650 BI 650 Wp 20.95% 209.5 -0.340 0.55% 37.0 kg PERC Modest efficiency
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