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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
Solarspace SS8-72HD-535M BI 535 Wp 20.71% 207.1 -0.334 0.45% 31.2 kg PERC Cool in heat, top 12%
SunKean SKT535M10 BI 535 Wp 20.70% 207.1 -0.350 - 30.5 kg PERC Degradation not published
JS535M144BDG BI 535 Wp 20.71% 207.1 -0.335 - 32.0 kg PERC Degradation not published
RS535~555S8-144GA (535W) BI 535 Wp 20.70% 207.1 -0.340 - 32.5 kg PERC Heavy for its class
Axitec AC-535MBT/144V BI 535 Wp 20.71% 207.1 -0.350 0.50% 28.5 kg TOPCon Modest efficiency
STP535S-C72/Pmh+ BI 535 Wp 20.70% 207.1 -0.340 0.45% 32.0 kg TOPCon Modest efficiency
EGing PV EG-535M72-HL/BF-DG BI 535 Wp 20.71% 207.1 -0.350 0.45% 31.7 kg PERC Heavy for its class
JS Solar JS535M144BDG BI 535 Wp 20.71% 207.1 -0.335 0.45% 32.0 kg PERC Heavy for its class
BYD MLTK-36-535 BI 535 Wp 20.71% 207.1 -0.332 0.55% 27.0 kg PERC Cool in heat, top 11%
Sunket New Energy SKT535M10 BI 535 Wp 20.70% 207.1 -0.350 0.45% 30.5 kg PERC Slow degradation, top 20%
Premier Energies PE-535HGB BI 535 Wp 20.71% 207.1 -0.350 0.45% 34.0 kg PERC Heavy for its class
RS535S8-144GA BI 535 Wp 20.70% 207.1 -0.340 0.45% 32.5 kg PERC Heavy for its class
Sun Earth DXM8-72H/BF 535W 535 Wp 20.70% 207.1 -0.350 0.57% 28.0 kg PERC Fast degradation
CW Enerji CWT535-144PM10 535 Wp 20.70% 207.1 -0.350 0.48% 29.0 kg PERC Typical across the board
Navitas Solar NSM535-144 535 Wp 20.71% 207.1 -0.360 - 29.0 kg PERC Weak in heat
Renew Photovoltaics RPS2MH72BD535 BI 535 Wp 20.71% 207.1 -0.320 0.45% 32.5 kg PERC Cool in heat, top 3%
SRP-535-BMA-HV 535 Wp 20.71% 207.1 -0.340 0.55% 27.0 kg PERC Light for its class, top 20%
SRP-535-BMA-BG BI 535 Wp 20.71% 207.1 -0.340 0.45% 32.0 kg PERC Heavy for its class
Philadelphia Solar PS-M144(HCBF)-GG-535W BI 535 Wp 20.71% 207.1 -0.349 0.50% 32.5 kg PERC Heavy for its class
Hounen Solar HNM7-SHDB144-535/M BI 535 Wp 20.71% 207.1 -0.350 - 28.0 kg - Degradation not published
G-STAR GSP7G72M(H)535WT BI 535 Wp 20.71% 207.1 -0.350 0.45% 28.0 kg PERC Slow degradation, top 20%
Mission Solar MSE405HT0B 405 Wp 20.70% 207.1 -0.343 0.55% 19.0 kg PERC Light for its class, top 4%
JAM72S20-460/MR 460 Wp 20.70% 207.0 -0.350 0.55% 24.5 kg PERC Typical across the board
LR4-72HIH-450M 450 Wp 20.70% 207.0 -0.340 0.55% 24.3 kg PERC Cool in heat, top 19%
LR4-72HBD-450M BI 450 Wp 20.70% 207.0 -0.340 0.45% 27.5 kg PERC Heavy for its class
LR4-72HPH-450M 450 Wp 20.70% 207.0 -0.340 0.55% 24.3 kg PERC Cool in heat, top 19%
Bi-33-450 BI 450 Wp 20.70% 207.0 -0.365 0.55% 23.5 kg PERC Weak in heat
Bi-31-450 BI 450 Wp 20.70% 207.0 -0.365 0.55% 27.5 kg PERC Weak in heat
WSMD-450 450 Wp 20.70% 207.0 -0.365 0.55% 23.5 kg PERC Weak in heat
EGing PV EG-455M72-HE/BF-DG-450W BI 450 Wp 20.70% 207.0 -0.350 - 27.8 kg PERC Heavy for its class
EGing PV EG-450M72-HEV 450 Wp 20.70% 207.0 -0.350 0.55% 22.7 kg PERC Light for its class, top 21%
S-Energy SL45-72BGI-450S BI 450 Wp 20.70% 207.0 -0.350 0.64% 24.6 kg PERC Fast degradation
S-Energy SL45-72BDI-450Z BI 450 Wp 20.70% 207.0 -0.360 0.45% 26.5 kg PERC Weak in heat
Aptos Solar DNA-144-BF26-450W BI 450 Wp 20.70% 207.0 -0.320 0.54% 24.1 kg PERC Cool in heat, top 3%
Isola New Energy YH450W-36MH 450 Wp 20.70% 207.0 -0.350 0.28% 22.0 kg PERC Slow degradation, top 1%
Lina Energy LEPV 450 450 Wp 20.72% 207.0 -0.381 - 25.0 kg TOPCon Weak in heat
Hiwatt Solar HW-M6/144H-450 450 Wp 20.60% 207.0 -0.340 0.55% 24.0 kg PERC Cool in heat, top 19%
AmoSolar AS450M6-144 450 Wp 20.58% 207.0 -0.350 0.55% 23.0 kg PERC Modest efficiency
Zonergy ZPM 450MH3-72 450 Wp 20.70% 207.0 -0.350 0.55% 24.0 kg PERC Typical across the board
Shinson Technology S450M72P2 450 Wp 20.30% 207.0 -0.350 0.50% 25.0 kg PERC Modest efficiency
Exiom EX450MB-144BF BI 450 Wp 20.70% 207.0 -0.350 0.60% 27.5 kg PERC Fast degradation
Exiom EX450MB-166BF BI 450 Wp 20.70% 207.0 -0.350 - 27.5 kg PERC Heavy for its class
EGing PV EG-450M72-HE/BF-DG BI 450 Wp 20.70% 207.0 -0.350 0.45% 27.8 kg PERC Heavy for its class
Resun Solar RS7I-450M-BD BI 450 Wp 20.70% 207.0 -0.390 0.50% 25.5 kg - Weak in heat
Resun Solar RS7I-450M 450 Wp 20.37% 207.0 -0.340 0.50% 25.0 kg - Typical across the board
Philadelphia Solar PS-M144(HC)-450W 450 Wp 20.70% 207.0 -0.300 0.60% 24.0 kg PERC Cool in heat, top 2%
MC-144BD-450 BI 450 Wp 20.70% 207.0 -0.350 - 26.5 kg PERC Degradation not published
MC-144-450 450 Wp 20.70% 207.0 -0.350 0.55% 22.0 kg PERC Light for its class, top 8%
Q-SUN Solar QNM182-HS535-72 535 Wp 20.70% 207.0 -0.320 0.55% 28.3 kg PERC Cool in heat, top 3%
Q-SUN Solar QNM182-HG535-72 BI 535 Wp 20.70% 207.0 -0.310 0.45% 31.4 kg PERC Cool in heat, top 2%
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