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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
AE ME-132-650 650 Wp 20.95% 209.5 -0.340 0.55% 31.5 kg PERC Light for its class, top 4%
ME-132-650 650 Wp 20.95% 209.5 -0.340 0.55% 31.5 kg PERC Light for its class, top 4%
Gamko New Energy GKA210M108-535W BI 535 Wp 20.95% 209.5 -0.340 - 25.5 kg PERC Light for its class, top 4%
Gamko New Energy GKA210M108-535 BI 535 Wp 20.95% 209.5 -0.340 0.45% 25.5 kg TOPCon Modest efficiency
Heckert Solar NeMo® 4.2 80 M 405 408 Wp 20.80% 209.5 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NEMO® 4.280 M BLACK FRAME 405Wp 408 Wp 20.80% 209.5 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NeMo 4.2 80 M 405 Black Frame 408 Wp 20.80% 209.5 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NEMO 4.2 80 M 405 408 Wp 20.80% 209.5 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NeMo 4.2 80 M Black 405 408 Wp 20.80% 209.5 -0.340 - 21.0 kg - Degradation not published
Heckert Solar NeMo 4.2 80 M 405 408 Wp 20.80% 209.5 -0.340 - 21.0 kg - Degradation not published
Goldi Solar GS10-M156-WF-585 585 Wp 20.90% 209.5 -0.340 0.55% 31.5 kg PERC Modest efficiency
JKM540M-72HL4-BDVP BI 540 Wp 20.94% 209.4 -0.350 0.45% 34.3 kg PERC Heavy for its class
JKM540M-72HL4-TV BI 540 Wp 20.94% 209.4 -0.350 0.45% 28.9 kg PERC Slow degradation, top 20%
MM540-72HDL-MB / MM540-72HDL-MBV 540 Wp 20.94% 209.4 -0.350 0.55% 28.9 kg - Heavy for its class
Vikram Solar PREXOS VSMDHT.72.540.05 BI 540 Wp 20.94% 209.4 -0.350 0.55% 28.2 kg PERC Typical across the board
Vikram Solar SOMERA VSMH.72.540.05 540 Wp 20.94% 209.4 -0.350 0.55% 28.2 kg PERC Typical across the board
MM540-72HLD-MB 540 Wp 20.94% 209.4 -0.350 0.55% 28.9 kg - Heavy for its class
Resun Solar RS8I-540M-BD BI 540 Wp 20.94% 209.4 -0.390 0.50% 29.0 kg - Weak in heat
Heliene 156HC M10 SL Bifacial - 585W class BI 585 Wp 20.90% 209.4 -0.340 0.50% 31.0 kg PERC Modest efficiency
Heliene 156HC-585 M10 SL BIFACIAL BI 585 Wp 20.90% 209.4 -0.340 0.50% 31.0 kg PERC Modest efficiency
STP585S-C78/Pmhg BI 585 Wp 20.90% 209.4 -0.360 0.55% 31.1 kg - Weak in heat
STP585S-C78/Vmh 585 Wp 20.90% 209.4 -0.360 0.55% 31.1 kg - Weak in heat
LR4-72HIH-455M 455 Wp 20.90% 209.3 -0.340 0.55% 24.3 kg PERC Cool in heat, top 19%
LR4-72HBD-455M BI 455 Wp 20.90% 209.3 -0.340 0.45% 27.5 kg PERC Heavy for its class
LR4-72HPH-455M 455 Wp 20.90% 209.3 -0.340 0.55% 24.3 kg PERC Cool in heat, top 19%
Bi-31-455 BI 455 Wp 20.93% 209.3 -0.365 0.55% 27.5 kg PERC Weak in heat
Bi-33-455 BI 455 Wp 20.93% 209.3 -0.365 0.55% 23.5 kg PERC Weak in heat
WSMD-455 455 Wp 20.93% 209.3 -0.365 0.55% 23.5 kg PERC Weak in heat
EGing PV EG-455M72-HE/BF-DG-455W BI 455 Wp 20.93% 209.3 -0.350 - 27.8 kg PERC Heavy for its class
EGing PV EG-455M72-HEV 455 Wp 20.93% 209.3 -0.350 0.55% 22.7 kg PERC Light for its class, top 16%
S-Energy SL45-72BGI-455S BI 455 Wp 20.90% 209.3 -0.350 0.64% 24.6 kg PERC Fast degradation
S-Energy SL45-72BDI-455Z BI 455 Wp 20.93% 209.3 -0.360 0.45% 26.5 kg PERC Weak in heat
Hiwatt Solar HW-M6/144H-455 455 Wp 20.80% 209.3 -0.340 0.55% 24.0 kg PERC Cool in heat, top 19%
AmoSolar AS455M6-144 455 Wp 20.81% 209.3 -0.350 0.55% 23.0 kg PERC Light for its class, top 24%
Zonergy ZPM 455MH3-72 455 Wp 20.93% 209.3 -0.350 0.55% 24.0 kg PERC Typical across the board
Shinson Technology S455M72P2 455 Wp 20.50% 209.3 -0.350 0.50% 25.0 kg PERC Modest efficiency
Exiom EX455MB-144BF BI 455 Wp 20.90% 209.3 -0.350 0.60% 27.5 kg PERC Fast degradation
Exiom EX455MB-166BF BI 455 Wp 20.90% 209.3 -0.350 - 27.5 kg PERC Heavy for its class
EGing PV EG-455M72-HE/BF-DG BI 455 Wp 20.93% 209.3 -0.350 0.45% 27.8 kg PERC Heavy for its class
Resun Solar RS7I-455M 455 Wp 20.93% 209.3 -0.340 0.50% 25.0 kg - Typical across the board
Resun Solar RS7I-455M-BD BI 455 Wp 20.93% 209.3 -0.390 0.50% 25.5 kg - Weak in heat
Philadelphia Solar PS-M144(HC)-455W 455 Wp 21.00% 209.3 -0.300 0.60% 24.0 kg PERC Cool in heat, top 2%
Philadelphia Solar PS-M144(HCBF)-540W BI 540 Wp 20.90% 209.3 -0.350 0.50% 29.0 kg PERC Typical across the board
Philadelphia Solar PS-M144(HC)-540W 540 Wp 20.90% 209.3 -0.300 0.55% 29.0 kg PERC Cool in heat, top 1%
Maxeon SPR-MAX3-370-COM 370 Wp 20.90% 209.3 -0.270 0.25% 19.0 kg Back Contact Slow degradation, top 5%
Boviet Solar BVM7610M-455-H-HC 455 Wp 20.93% 209.3 -0.350 0.55% 23.9 kg PERC Typical across the board
Meyer Burger MB_W120AyB_385 385 Wp 20.90% 209.3 -0.259 0.25% 19.7 kg HJT Light for its class, top 11%
Meyer Burger MB_B120AyB_385 385 Wp 20.90% 209.3 -0.259 0.25% 19.7 kg HJT Light for its class, top 11%
Meyer Burger MB_TG120AyB_385 BI 385 Wp 20.90% 209.3 -0.259 0.20% 24.4 kg HJT Slow degradation, top 10%
JAM72S20-465/MR 465 Wp 20.90% 209.3 -0.350 0.55% 24.5 kg PERC Typical across the board
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