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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
Solaria Solaria PowerXT-365R-PD 365 Wp 20.20% 201.8 -0.390 0.50% 21.0 kg - Weak in heat
Solaria PowerXT-365R-AC 365 Wp 20.20% 201.8 - - 22.0 kg - Incomplete datasheet
Solaria Solaria PowerXT-365R-AC 365 Wp 20.20% 201.8 - 0.50% 22.0 kg - Temperature coefficient not published
Silfab SIL-400 HC+ 400 Wp 20.20% 201.7 -0.360 0.50% 21.3 kg PERC Weak in heat
SP Enerji SP-400M72 BI 400 Wp 20.17% 201.7 -0.370 0.80% 23.5 kg PERC Fast degradation
Sunlike Solar LNSF-400M 400 Wp 19.76% 201.7 -0.360 - 23.5 kg PERC Modest efficiency
JS400M 400 Wp 21.17% 201.7 -0.370 - 23.5 kg PERC Weak in heat
SunLink LNSF-400M 400 Wp 20.17% 201.7 -0.360 0.68% 23.5 kg PERC Fast degradation
CSUN CSUN400-72M 400 Wp 20.17% 201.7 -0.370 0.60% 22.1 kg PERC Weak in heat
FuturaSun FU 400 M NEXT 400 Wp 20.17% 201.7 -0.366 0.50% 22.6 kg PERC Weak in heat
Maxeon SPR-P6-525-UPP BI 525 Wp 20.20% 201.7 -0.340 0.45% 32.4 kg PERC Needs more roof
SunLink LNSE-335M 335 Wp 20.16% 201.6 -0.360 0.70% 19.5 kg PERC Space-efficient, top 5%
NS-380MH-80 380 Wp 20.16% 201.6 -0.290 - 20.0 kg - Cool in heat, top 3%
PolyCrown Solar Tech NS-380MH-80 380 Wp 20.16% 201.6 -0.290 0.42% 20.0 kg - Cool in heat, top 3%
CS3U-400MS-AG 400 Wp 20.20% 201.6 -0.360 - 26.5 kg PERC Heavy for its class
CS1H-340MS 340 Wp 20.20% 201.6 -0.370 - 19.2 kg PERC Space-efficient, top 6%
CS3U-400MS 400 Wp 20.20% 201.6 -0.360 - 22.5 kg PERC Degradation not published
CS3K-335MS 335 Wp 20.20% 201.6 -0.360 - 18.5 kg PERC Space-efficient, top 6%
CS3K-335MS-AG 335 Wp 20.20% 201.6 -0.360 - 22.5 kg PERC Space-efficient, top 6%
TEB-NEGA6ND.48-545 (Green, RAL6001) 545 Wp 20.20% 201.6 -0.290 0.40% 33.0 kg TOPCon Modest efficiency
TEB-NEGA6ND.48 (Green) 545W 545 Wp 20.20% 201.6 -0.290 0.40% 33.0 kg TOPCon Modest efficiency
JAM54D30-395/MB/1500V BI 395 Wp 20.20% 201.6 -0.350 0.45% 23.6 kg PERC Slow degradation, top 5%
DAH Solar DHT-M60X10-435W 435 Wp 20.16% 201.6 -0.350 0.55% 23.5 kg PERC Modest efficiency
ECODELTA ECO-395M-60SB 395 Wp 20.20% 201.6 -0.340 - 21.0 kg PERC Degradation not published
HIE-S395VG 395 Wp 20.20% 201.6 -0.340 0.55% 22.0 kg PERC Cool in heat, top 15%
Viessmann M395WK 395 Wp 20.15% 201.6 -0.340 - 22.0 kg PERC Degradation not published
JAM66D30-480/MB/1500V BI 480 Wp 20.20% 201.6 -0.350 0.45% 29.0 kg PERC Needs more roof
S-Energy SL65-66MAJ-480Z 480 Wp 20.16% 201.6 -0.350 0.55% 27.0 kg PERC Modest efficiency
Goldi Solar GS10-B108-GF-395 BI 395 Wp 20.15% 201.5 -0.320 0.50% 22.0 kg PERC Cool in heat, top 4%
Goldi Solar GS10-M108-WF-395 BI 395 Wp 20.15% 201.5 -0.340 0.55% 21.0 kg PERC Cool in heat, top 15%
Goldi Solar GS10-B108-BF-395 BI 395 Wp 20.15% 201.5 -0.350 0.55% 21.0 kg PERC Light for its class, top 24%
Goldi Solar GS10-B108-TF-395 BI 395 Wp 20.15% 201.5 -0.350 0.55% 21.0 kg PERC Light for its class, top 24%
JAM60S20-375/MR 375 Wp 20.20% 201.5 -0.350 0.55% 20.2 kg PERC Typical across the board
JAM60S21-375/MR/1000V 375 Wp 20.20% 201.5 -0.350 0.55% 18.8 kg PERC Light for its class, top 6%
JKM340M-60H-V 340 Wp 20.15% 201.5 -0.360 0.60% 19.0 kg PERC Space-efficient, top 8%
MYM3120-340 340 Wp 20.15% 201.5 -0.350 - 19.0 kg PERC Space-efficient, top 8%
Lina Energy LEPV 340 (LEPV 120 HALF-CUT 340Wp) 340 Wp 21.17% 201.5 -0.360 - 18.0 kg - Top 7% efficiency
VDS Renewable VDS-S120/FNH-340W 340 Wp 20.10% 201.5 -0.340 0.55% 19.0 kg - Space-efficient, top 17%
JS340M 340 Wp 20.10% 201.5 -0.280 - 19.0 kg PERC Cool in heat, top 1%
JS Solar JS340M 340 Wp 20.10% 201.5 -0.280 0.70% 19.0 kg - Cool in heat, top 2%
MY Solar MYM3120-340 340 Wp 20.15% 201.5 -0.350 0.60% 19.0 kg PERC Space-efficient, top 8%
VDS Renewable VDS-S120/FNH 340 340 Wp 20.10% 201.5 -0.340 0.55% 19.0 kg PERC Cool in heat, top 6%
Lina Energy LEPV 340 340 Wp 21.17% 201.5 -0.360 - 18.0 kg - Top 7% efficiency
Resun Solar RS6K-340M 340 Wp 20.15% 201.5 -0.340 0.50% 19.0 kg - Top 16% efficiency
Resun Solar RS6K-M-340 340 Wp 20.15% 201.5 -0.340 0.50% 19.0 kg - Top 16% efficiency
Boviet Solar BVM6612M-445S-H-HC 445 Wp 20.20% 201.5 -0.350 0.60% 26.0 kg PERC Fast degradation
JAM78D10-445/MB/1500V BI 445 Wp 20.10% 201.4 -0.354 0.50% 29.0 kg PERC Heavy for its class
MYM6144-445 445 Wp 20.14% 201.4 -0.390 - 25.6 kg PERC Weak in heat
Techwise Solar TW-445HT-120M 445 Wp 19.98% 201.4 -0.350 - 26.5 kg PERC Degradation not published
JS Solar JS445M144 445 Wp 20.10% 201.4 -0.340 0.55% 27.0 kg PERC Heavy for its class
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