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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
Heliene 156HC M10 SL Bifacial - 565W class BI 565 Wp 20.20% 202.2 -0.340 0.50% 31.0 kg PERC Modest efficiency
Heliene 156HC-565 M10 SL BIFACIAL BI 565 Wp 20.20% 202.2 -0.340 0.50% 31.0 kg PERC Modest efficiency
Solaria Solaria PowerX-395R 395 Wp 20.20% 202.2 -0.360 0.50% 22.1 kg - Slow degradation, top 18%
Hiwatt Solar HW-M12/100H-485 485 Wp 20.20% 202.2 -0.340 0.55% 26.5 kg PERC Modest efficiency
Sunlike Solar LNEX-485M 485 Wp 20.22% 202.2 -0.340 0.53% 26.5 kg - Modest efficiency
JKM460M-7RL3-TV 460 Wp 20.21% 202.1 -0.350 - 26.5 kg - Degradation not published
Bruk-Bet PEM.BB-370 HALF-CELL 370 Wp 20.50% 202.1 -0.324 - 20.0 kg PERC Cool in heat, top 5%
Bruk-Bet PEM.BB-370 370 Wp 20.50% 202.1 -0.324 0.58% 20.0 kg PERC Cool in heat, top 5%
Aptos Solar DNA-144-MF26-440W 440 Wp 20.21% 202.1 -0.350 0.54% 25.1 kg PERC Needs more roof
VDS Renewable VDS-S144/M6H-BG-440W BI 440 Wp 20.20% 202.1 -0.340 0.45% 28.5 kg - Heavy for its class
VDS Renewable VDS-S144/M6H-440 440 Wp 20.20% 202.1 -0.340 0.55% 23.8 kg - Needs more roof
Sunlike Solar LNSU-440M BI 440 Wp 20.21% 202.1 -0.360 0.53% 23.0 kg PERC Weak in heat
VDS Renewable VDS-S144/M6H-BG-440 BI 440 Wp 20.20% 202.1 -0.340 0.45% 28.5 kg - Heavy for its class
CW Enerji CWT440-144MB 440 Wp 20.20% 202.1 -0.360 0.60% 24.5 kg PERC Fast degradation
STP440S-B72/Vnh 440 Wp 20.20% 202.1 -0.360 0.55% 24.5 kg - Weak in heat
STP440S-B72/Pnhg BI 440 Wp 20.20% 202.1 -0.360 0.55% 24.5 kg - Weak in heat
Heliene 132HC-480 M10 SL 480 Wp 20.20% 202.1 -0.340 0.50% 27.0 kg PERC Modest efficiency
S-Energy SL65-66BDJ-480Z BI 480 Wp 20.21% 202.1 -0.350 0.45% 29.0 kg PERC Needs more roof
RS480~500S8-132GA-480 BI 480 Wp 20.20% 202.1 -0.353 - 29.5 kg PERC Heavy for its class
MIRAGE 480W (Sahara) 480 Wp 20.23% 202.1 -0.300 - 24.0 kg TOPCon Needs more roof
MIRAGE 480W Sahara 480 Wp 20.23% 202.1 -0.300 0.55% 24.0 kg BIPV Needs more roof
RS480S8-132GA BI 480 Wp 20.20% 202.1 -0.353 0.45% 29.5 kg PERC Heavy for its class
Resun Solar RS8H-M-480 480 Wp 20.21% 202.1 -0.350 0.50% 26.3 kg TOPCon Modest efficiency
AE_CMD-132 Sahara 480 Wp 20.23% 202.1 -0.350 0.40% 24.0 kg N-type Weak in heat
S-Energy SL45-78BGI-475S BI 475 Wp 20.20% 202.1 -0.350 0.54% 26.5 kg PERC Modest efficiency
PS370M4-20/UH 370 Wp 20.21% 202.1 -0.340 0.55% 20.0 kg PERC Cool in heat, top 15%
Solaria Solaria PowerXT-400R-PM 400 Wp 20.20% 202.1 -0.390 0.48% 21.0 kg - Weak in heat
Shinson Technology S340M60P1B 340 Wp 20.56% 202.1 -0.340 0.50% 17.8 kg PERC Light for its class, top 1%
JAM72D20-450/MB/1500V BI 450 Wp 20.20% 202.1 -0.350 0.45% 27.3 kg PERC Needs more roof
Neo Solar Power NESE 400-54MHF-M10 400 Wp 20.21% 202.1 -0.380 - 6.3 kg PERC Light for its class, top 1%
New East Solar NESE 400-54MHF-M10 400 Wp 20.21% 202.1 -0.380 0.59% 6.3 kg PERC Light for its class, top 1%
VDS Renewable VDS-S108/M10H-395 395 Wp 20.20% 202.0 -0.340 0.55% 22.0 kg PERC Cool in heat, top 15%
JS182MHC108-395 395 Wp 20.20% 202.0 -0.340 - 21.5 kg PERC Degradation not published
JS Solar JS182MHC108-395 395 Wp 20.20% 202.0 -0.340 0.55% 21.5 kg - Cool in heat, top 21%
STP395S-C54/Umh 395 Wp 20.20% 202.0 -0.360 0.55% 22.1 kg - Typical across the board
MYM3072-400 400 Wp 20.17% 202.0 -0.370 - 23.0 kg PERC Weak in heat
MY Solar MYM3072-400 400 Wp 20.17% 202.0 -0.370 0.72% 22.3 kg PERC Fast degradation
Bi-55-520 BI 520 Wp 20.20% 202.0 -0.350 0.55% 32.5 kg PERC Heavy for its class
Bi-57-520 BI 520 Wp 20.20% 202.0 -0.350 0.55% 27.5 kg PERC Needs more roof
WSMD-520 520 Wp 20.20% 202.0 -0.350 0.55% 27.5 kg PERC Needs more roof
ZXM7-SHB108-405 405 Wp 20.20% 202.0 -0.350 0.60% 6.0 kg PERC Lightest in its segment
RSM120-6-345BHDG BI 345 Wp 20.20% 202.0 -0.240 0.30% 35.0 kg HJT Cool in heat, top 1%
JAM66D10-380/MB/1500V BI 380 Wp 20.20% 201.9 -0.354 0.50% 24.5 kg PERC Heavy for its class
NS-440MH-144 440 Wp 20.18% 201.8 -0.290 - 24.0 kg TOPCon Modest efficiency
NS-440MH-144 440 Wp 20.18% 201.8 -0.290 - 24.0 kg N-type Modest efficiency
PolyCrown Solar Tech NS-440MH-144 440 Wp 20.18% 201.8 -0.290 0.42% 24.0 kg - Cool in heat, top 12%
STP440S-B72/Pnh+ BI 440 Wp 20.20% 201.8 -0.360 0.45% 28.1 kg - Heavy for its class
Isola New Energy YH380W-25.5M 380 Wp 20.45% 201.8 -0.350 - 6.8 kg Flexible Light for its class, top 1%
SunEvo Solar SE6-46SC-420W 420 Wp 20.20% 201.8 -0.340 0.55% 21.8 kg - Needs more roof
SunEvo Solar SE6-46SC-420 420 Wp 20.20% 201.8 -0.340 0.55% 21.8 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