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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
Premier Energies PE-540HG BI 540 Wp 20.90% 209.0 -0.350 0.45% 34.0 kg PERC Heavy for its class
Premier Energies PE-540HB BI 540 Wp 20.90% 209.0 -0.350 0.45% 28.0 kg PERC Slow degradation, top 20%
S-Energy SL65-72BDJ-540Z BI 540 Wp 20.90% 209.0 -0.350 0.45% 31.5 kg PERC Slow degradation, top 20%
S-Energy SL65-72MAJ-540Z 540 Wp 20.90% 209.0 -0.350 0.55% 28.0 kg - Typical across the board
Emmvee E540HCBT144 BI 540 Wp 20.90% 209.0 -0.350 0.55% 26.0 kg PERC Light for its class, top 5%
SRP-540-BMA-BG BI 540 Wp 20.90% 209.0 -0.340 0.45% 32.0 kg PERC Heavy for its class
SRP-540-BMA-HV 540 Wp 20.90% 209.0 -0.340 0.55% 27.0 kg PERC Light for its class, top 16%
Solar N Plus SP-M10/144HG-540 BI 540 Wp 20.90% 209.0 -0.350 - 32.0 kg PERC Degradation not published
Solarspace SS8-72HD-540M BI 540 Wp 20.90% 209.0 -0.334 0.45% 31.2 kg PERC Cool in heat, top 12%
JS540M144 540 Wp 20.90% 209.0 -0.340 - 27.0 kg PERC Degradation not published
JS540M144BDG BI 540 Wp 20.90% 209.0 -0.335 - 32.0 kg PERC Degradation not published
RS535~555S8-144GA (540W) BI 540 Wp 20.90% 209.0 -0.340 - 32.5 kg PERC Heavy for its class
SunKean SKT540M10 BI 540 Wp 20.90% 209.0 -0.350 - 30.5 kg PERC Degradation not published
Q-SUN Solar QN-540HT 540 Wp 20.80% 209.0 -0.340 0.55% 26.0 kg PERC Light for its class, top 5%
Axitec AC-540MBT/144V BI 540 Wp 20.90% 209.0 -0.350 0.50% 28.5 kg PERC Typical across the board
STP540S-C72/Pmh+ BI 540 Wp 20.90% 209.0 -0.340 0.45% 32.0 kg TOPCon Modest efficiency
Vikram Solar PARADEA VSMDH.72.540.05 BI 540 Wp 20.90% 209.0 -0.350 0.50% 32.5 kg PERC Heavy for its class
EGing PV EG-540M72-HL/BF-DG BI 540 Wp 20.90% 209.0 -0.350 0.45% 31.7 kg PERC Slow degradation, top 20%
JS Solar JS540M144 540 Wp 20.90% 209.0 -0.340 0.55% 27.0 kg PERC Light for its class, top 16%
JS Solar JS540M144BDG BI 540 Wp 20.90% 209.0 -0.335 0.45% 32.0 kg PERC Cool in heat, top 13%
BYD MLTK-36-540 BI 540 Wp 20.90% 209.0 -0.332 0.55% 27.0 kg PERC Cool in heat, top 11%
Sunket New Energy SKT540M10 BI 540 Wp 20.90% 209.0 -0.350 0.45% 30.5 kg PERC Slow degradation, top 20%
Solar N Plus SP-M10/144HG540 BI 540 Wp 20.90% 209.0 -0.350 0.45% 32.0 kg PERC Heavy for its class
Premier Energies PE-540HGB BI 540 Wp 20.90% 209.0 -0.350 0.45% 34.0 kg PERC Heavy for its class
RS540S8-144GA BI 540 Wp 20.90% 209.0 -0.340 0.45% 32.5 kg PERC Heavy for its class
Sun Earth DXM8-72H/BF 540W 540 Wp 20.90% 209.0 -0.350 0.57% 28.0 kg PERC Fast degradation
CW Enerji CWT540-144PM10 540 Wp 20.89% 209.0 -0.350 0.48% 29.0 kg PERC Typical across the board
Navitas Solar NSM540-144 540 Wp 20.90% 209.0 -0.360 - 29.0 kg PERC Weak in heat
Motech XS72CF-540 540 Wp 20.90% 209.0 -0.348 - 28.1 kg - Degradation not published
Jetion JT540SGh 540 Wp 20.90% 209.0 -0.350 0.55% 29.0 kg PERC Typical across the board
Renew Photovoltaics RPS2MH72BD540 BI 540 Wp 20.90% 209.0 -0.320 0.45% 32.5 kg PERC Cool in heat, top 3%
Philadelphia Solar PS-M144(HCBF)-GG-540W BI 540 Wp 20.90% 209.0 -0.349 0.50% 32.5 kg PERC Heavy for its class
G-STAR GSP7G72M(H)540WT BI 540 Wp 20.90% 209.0 -0.350 0.45% 28.0 kg PERC Slow degradation, top 20%
Hounen Solar HNM7-SHDB144-540/M BI 540 Wp 20.90% 209.0 -0.350 - 28.0 kg - Degradation not published
VDS Renewable VDS-S144/M6H-455 455 Wp 20.90% 209.0 -0.340 0.55% 23.8 kg - Fast degradation
Sunlike Solar LNSU-455M 455 Wp 20.90% 209.0 -0.360 0.53% 23.0 kg PERC Weak in heat
CW Enerji CWT455-144MB 455 Wp 20.90% 209.0 -0.360 0.60% 24.5 kg PERC Fast degradation
STP455S-B72/Vnh 455 Wp 20.90% 209.0 -0.360 0.55% 24.5 kg - Weak in heat
STP455S-B72/Pnhg BI 455 Wp 20.90% 209.0 -0.360 0.55% 24.5 kg - Weak in heat
HiE-S435HG 435 Wp 20.90% 209.0 -0.340 0.55% 21.8 kg PERC Light for its class, top 19%
HiE-S435HG(FB) 435 Wp 20.90% 209.0 -0.340 0.55% 21.8 kg PERC Light for its class, top 19%
SunEvo Solar SE6-46SC-435W 435 Wp 20.90% 209.0 -0.340 0.55% 21.8 kg - Light for its class, top 20%
HIE-S435HG 435 Wp 20.90% 209.0 -0.340 0.55% 21.8 kg PERC Light for its class, top 19%
SunEvo Solar SE6-46SC-435 435 Wp 20.90% 209.0 -0.340 0.55% 21.8 kg - Light for its class, top 20%
Gamko New Energy GKA157M60-340W 340 Wp 20.90% 209.0 -0.360 0.50% 21.0 kg PERC Space-efficient, top 1%
NS-340MH-60 340 Wp 20.89% 209.0 -0.290 - 17.0 kg N-type Light for its class, top 2%
PolyCrown Solar Tech NS-340MH-60 340 Wp 20.89% 209.0 -0.290 0.42% 17.0 kg - Light for its class, top 7%
LG LG385N1C-E6 385 Wp 20.90% 209.0 -0.330 0.33% 18.5 kg N-type Light for its class, top 13%
TH415PMB7-44SCF 415 Wp 20.90% 209.0 -0.340 0.55% 20.8 kg - Light for its class, top 22%
HiE-S415DG 415 Wp 20.90% 209.0 -0.340 0.55% 20.8 kg PERC Light for its class, top 20%
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