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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
Silfab SIL-320 BL 320 Wp 18.84% 188.2 -0.377 0.50% 18.2 kg PERC Slow degradation, top 19%
Silfab SIL-320 NL 320 Wp 18.80% 188.2 -0.360 0.50% 18.6 kg PERC Slow degradation, top 19%
SunLink LNSU-380P 380 Wp 18.82% 188.2 -0.360 0.70% 24.5 kg - Fast degradation
Rarlon PV Tech RL365HM-72 365 Wp 18.86% 188.1 -0.470 - 22.0 kg PERC Weak in heat
MYM2072-365 365 Wp 18.81% 188.1 -0.370 - 22.5 kg PERC Degradation not published
SP Enerji SP-365M72 BI 365 Wp 18.81% 188.1 -0.380 0.50% 23.0 kg PERC Weak in heat
JS365M 365 Wp 18.72% 188.1 -0.420 - 23.5 kg PERC Weak in heat
SpolarPV SP365BSM6-72 BI 365 Wp 18.81% 188.1 -0.380 0.52% 21.5 kg PERC Weak in heat
MY Solar MYM2072-365 365 Wp 18.81% 188.1 -0.370 0.73% 22.5 kg PERC Fast degradation
Gintech GIN M6F-72 365 Wp 18.80% 188.1 -0.450 - 21.7 kg PERC Weak in heat
Bi-27-385 BI 385 Wp 18.81% 188.1 -0.370 0.65% 29.0 kg PERC Heavy for its class
CS3W-420MB-AG BI 420 Wp 18.80% 188.0 -0.350 - 28.4 kg PERC Heavy for its class
CS3W-420PB-AG BI 420 Wp 18.80% 188.0 -0.370 - 28.2 kg PERC Heavy for its class
CS3W-415P 415 Wp 18.80% 187.9 -0.360 - 24.9 kg PERC Modest efficiency
AE_CMD-108BD-Emerald 375 Wp 18.78% 187.8 -0.320 0.55% 26.0 kg N-type Fast degradation
GH485M10T-B60HST BI 485 Wp 18.77% 187.7 -0.290 0.40% 32.0 kg N-type Modest efficiency
First Solar FS-7525A-TR1 525 Wp 18.80% 187.7 -0.320 0.30% 39.7 kg CdTe Heavy for its class
First Solar FS-7525A-FT1 525 Wp 18.80% 187.7 -0.320 0.30% 36.8 kg CdTe Modest efficiency
Daxieworld AOX-120M10FL 430W 430 Wp 18.77% 187.7 -0.370 - 6.9 kg PERC Modest efficiency
Heckert Solar NEMO 2.0 60 M BLACK 315 315 Wp 18.80% 187.5 -0.400 - 18.3 kg PERC Degradation not published
Rarlon PV Tech RL305HM-60 305 Wp 18.75% 187.5 -0.470 - 17.0 kg - Weak in heat
MYM2060-305 305 Wp 18.75% 187.5 -0.370 - 18.5 kg PERC Degradation not published
SP Enerji SP-305M60 305 Wp 18.75% 187.5 -0.380 0.50% 18.0 kg PERC Slow degradation, top 19%
TPL Solar TPL305M-60 305 Wp 18.70% 187.5 -0.360 0.58% 18.5 kg PERC Typical across the board
JS305M 305 Wp 18.75% 187.5 -0.420 - 18.0 kg PERC Weak in heat
MY Solar MYM2060-305 305 Wp 18.75% 187.5 -0.370 - 18.5 kg PERC Degradation not published
JS Solar JS305M 305 Wp 18.75% 187.5 -0.420 0.70% 18.0 kg PERC Weak in heat
AOX-108M10FL-390W 390 Wp 18.73% 187.3 -0.370 - 6.2 kg Flexible Lightest in its segment
Daxieworld AOX-108M10FL 390W 390 Wp 18.73% 187.3 -0.370 - 6.2 kg Flexible Lightest in its segment
CS3K-315MB-AG BI 315 Wp 18.70% 187.2 -0.360 - 22.3 kg PERC Degradation not published
CS3U-375MB-AG BI 375 Wp 18.70% 187.0 -0.360 - 25.9 kg PERC Heavy for its class
CS3U-375PB-AG BI 375 Wp 18.70% 187.0 -0.360 - 25.9 kg PERC Heavy for its class
Philadelphia Solar PS-M60(BF)-305 BI 305 Wp 18.70% 186.9 -0.370 0.50% 18.0 kg PERC Slow degradation, top 19%
Philadelphia Solar PS-M60-305W 305 Wp 18.70% 186.9 -0.390 0.65% 18.0 kg PERC Weak in heat
Hiwatt Solar HW-M360H-310 310 Wp 18.70% 186.9 -0.340 0.55% 17.8 kg PERC Cool in heat, top 6%
Shinson Technology S365M10E 365 Wp 18.70% 186.9 -0.290 0.40% 20.5 kg TOPCon Light for its class, top 23%
Shinson Technology S365M10C 365 Wp 18.70% 186.9 -0.290 0.40% 20.5 kg TOPCon Light for its class, top 23%
Shinson Technology S365M10D 365 Wp 18.70% 186.9 -0.290 0.40% 20.5 kg TOPCon Light for its class, top 23%
SunKean SKT365M10 365 Wp 18.70% 186.9 -0.290 - 20.5 kg TOPCon Degradation not published
Sunket New Energy SKT365M10 365 Wp 18.70% 186.9 -0.290 0.40% 20.5 kg TOPCon Light for its class, top 23%
Silfab SIL-370 NT mono PERC 370 Wp 18.70% 186.9 -0.380 0.50% 21.5 kg PERC Weak in heat
DAS Solar DAS-LH132PA-455W 455 Wp 19.90% 186.8 -0.341 0.50% 10.2 kg PERC Needs more roof
FuturaSun FU 370 M NEXT 370 Wp 18.66% 186.6 -0.366 0.50% 22.6 kg PERC Modest efficiency
CS3K-310MS 310 Wp 18.70% 186.6 -0.360 - 18.5 kg PERC Degradation not published
CS3K-310P-AG 310 Wp 18.70% 186.6 -0.360 - 22.5 kg PERC Heavy for its class
CS3K-310P 310 Wp 18.70% 186.6 -0.360 - 18.5 kg PERC Degradation not published
First Solar FS-6470-P-I / FS-6470A-P-I (SL) or FS-6470-P / FS-6470A-P (HL) 470 Wp 18.70% 186.5 -0.320 0.30% 34.0 kg CdTe Modest efficiency
First Solar FS-6470-P-B / FS-6470A-P-B BI 470 Wp 18.70% 186.5 -0.320 0.30% 34.0 kg CdTe Modest efficiency
First Solar FS-6470-P 470 Wp 18.70% 186.5 -0.320 0.30% 34.0 kg CdTe Modest efficiency
First Solar FS-6470-P-B BI 470 Wp 18.70% 186.5 -0.320 0.30% 34.0 kg - 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