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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
Solarwatt SOLARWATT Panel vision AM 4.0 black 400 Wp BI 400 Wp 20.50% 204.8 -0.330 - 25.4 kg PERC Heavy for its class
Heliene 108HC-400 M10 SL 400 Wp 20.50% 204.8 -0.340 0.50% 21.5 kg PERC Slow degradation, top 22%
LS Solar 400 W 400 Wp - 204.8 -0.370 - 21.4 kg - Incomplete datasheet
Solar N Plus SP-M10/108H400W 400 Wp 20.50% 204.8 -0.350 0.55% 21.0 kg - Fast degradation
Solar N Plus SP-M10/108HG400W BI 400 Wp 20.50% 204.8 -0.350 0.45% 24.1 kg PERC Slow degradation, top 9%
Solar N Plus SP-M10/108HG400 BI 400 Wp 20.50% 204.8 -0.350 0.45% 24.1 kg N-type Heavy for its class
Gamko New Energy GKA182M108-400 BI 400 Wp 20.48% 204.8 -0.360 0.54% 19.5 kg PERC Light for its class, top 8%
Sunket New Energy SKT400M10 BI 400 Wp 20.50% 204.8 -0.350 0.45% 23.4 kg PERC Slow degradation, top 9%
Hounen Solar HNM7-SHDB108-400/M 400 Wp 20.48% 204.8 -0.350 0.55% 20.5 kg - Fast degradation
Vikram Solar SOMERA VSMH.54.400.05 400 Wp 20.48% 204.8 -0.350 0.55% 21.3 kg PERC Typical across the board
Vikram Solar PARADEA VSMDH.54.400.05 BI 400 Wp 20.48% 204.8 -0.350 0.50% 25.1 kg PERC Heavy for its class
Vikram Solar PREXOS VSMDHT.72.400.05 BI 400 Wp 20.48% 204.8 -0.350 0.55% 21.3 kg PERC Typical across the board
Resun Solar RS8V-M-400 400 Wp 20.48% 204.8 -0.350 0.50% 22.0 kg - Typical across the board
Resun Solar RS8V-M-400W 400 Wp 20.48% 204.8 -0.350 0.50% 22.0 kg - Typical across the board
PS375M4-20/UH 375 Wp 20.48% 204.8 -0.340 0.55% 20.0 kg PERC Space-efficient, top 11%
Shinson Technology SSL445-60CW 445 Wp 20.50% 204.8 -0.350 0.50% 6.5 kg Flexible Lightest in its segment
PS410M4-22/WH 410 Wp 20.48% 204.8 -0.350 0.55% 23.0 kg PERC Typical across the board
Isola New Energy YH450W-30M 450 Wp 20.75% 204.8 -0.350 - 9.0 kg Flexible Lightest in its segment
JAM72S20-455/MR 455 Wp 20.50% 204.8 -0.350 0.55% 24.5 kg PERC Needs more roof
RSM110-8-535BMDG BI 535 Wp 20.50% 204.8 -0.340 0.45% 33.5 kg PERC Heavy for its class
ZXM8-TPLD110-535 535 Wp 20.48% 204.8 -0.340 0.45% 32.0 kg PERC Needs more roof
ZXM8-TPLDD110-535 BI 535 Wp 20.48% 204.8 -0.340 0.45% 32.5 kg PERC Heavy for its class
Hiwatt Solar HW-M12/110H-535 535 Wp 20.50% 204.8 -0.340 0.55% 28.6 kg PERC Needs more roof
ZXM8-TPLDD110-535W BI 535 Wp 20.48% 204.8 -0.340 0.45% 32.5 kg PERC Heavy for its class
LR4-72HIH-445M 445 Wp 20.50% 204.7 -0.340 0.55% 24.3 kg PERC Cool in heat, top 24%
LR4-72HBD-445M BI 445 Wp 20.50% 204.7 -0.340 0.45% 27.5 kg PERC Heavy for its class
LR4-72HPH-445M 445 Wp 20.50% 204.7 -0.340 0.55% 24.3 kg PERC Cool in heat, top 24%
Bi-31-445 BI 445 Wp 20.47% 204.7 -0.365 0.55% 27.5 kg PERC Heavy for its class
Bi-33-445 BI 445 Wp 20.47% 204.7 -0.365 0.55% 23.5 kg PERC Weak in heat
WSMD-445 445 Wp 20.47% 204.7 -0.365 0.55% 23.5 kg PERC Weak in heat
EGing PV EG-445M72-HEV 445 Wp 20.47% 204.7 -0.350 0.55% 22.7 kg PERC Typical across the board
EGing PV EG-455M72-HE/BF-DG-445W BI 445 Wp 20.47% 204.7 -0.350 - 27.8 kg PERC Heavy for its class
Aptos Solar DNA-144-BF26-445W BI 445 Wp 20.47% 204.7 -0.320 0.54% 24.1 kg PERC Cool in heat, top 5%
S-Energy SL45-72BGI-445S BI 445 Wp 20.50% 204.7 -0.350 0.64% 24.6 kg PERC Fast degradation
S-Energy SL45-72BDI-445Z BI 445 Wp 20.47% 204.7 -0.360 0.45% 26.5 kg PERC Slow degradation, top 9%
AmoSolar AS445M6-144 445 Wp 20.36% 204.7 -0.350 0.55% 23.0 kg PERC Typical across the board
Hiwatt Solar HW-M6/144H-445 445 Wp 20.40% 204.7 -0.340 0.55% 24.0 kg PERC Cool in heat, top 24%
Zonergy ZPM 445MH3-72 445 Wp 20.47% 204.7 -0.350 0.55% 24.0 kg PERC Typical across the board
Exiom EX445MB-166BF BI 445 Wp 20.50% 204.7 -0.350 - 27.5 kg PERC Heavy for its class
Exiom EX445MB-144BF BI 445 Wp 20.50% 204.7 -0.350 0.60% 27.5 kg PERC Fast degradation
EGing PV EG-445M72-HE/BF-DG BI 445 Wp 20.47% 204.7 -0.350 0.45% 27.8 kg PERC Heavy for its class
Resun Solar RS7I-445M 445 Wp 20.14% 204.7 -0.340 0.50% 25.0 kg - Modest efficiency
Philadelphia Solar PS-M144(HC)-445W 445 Wp 20.50% 204.7 -0.300 0.60% 24.0 kg PERC Cool in heat, top 3%
MC-144BD-445 BI 445 Wp 20.47% 204.7 -0.350 - 26.5 kg PERC Degradation not published
MC-144-445 445 Wp 20.47% 204.7 -0.350 0.55% 22.0 kg PERC Light for its class, top 13%
Solaria Solaria PowerX-400R 400 Wp 20.50% 204.7 -0.360 0.50% 22.1 kg - Weak in heat
Boviet Solar BVM7610M-445-H-HC 445 Wp 20.47% 204.7 -0.350 0.55% 23.9 kg PERC Typical across the board
LG LG450N2W-E6 450 Wp 20.50% 204.7 -0.330 0.33% 22.0 kg N-type Slow degradation, top 1%
Tata Power Solar TP570LG10B BI 570 Wp 20.47% 204.7 -0.370 0.60% 36.0 kg PERC Heavy for its class
Tata Power Solar TP570LG10TB BI 570 Wp 20.47% 204.7 -0.360 0.72% 31.0 kg PERC Fast degradation
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