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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
JAM54S40-420/GR/1500V 420 Wp 21.50% 215.1 -0.300 0.40% 21.5 kg N-type Modest efficiency
JAM54D40-420/GB BI 420 Wp 21.50% 215.1 -0.300 0.40% 21.5 kg TOPCon Modest efficiency
Q.TRON BLK M-G2.1+/AC (Power class 420W) 420 Wp 21.50% 215.1 -0.300 0.33% 22.9 kg N-type Slow degradation, top 5%
CHSM54N(BL)-HC / CHSM54N(BLH)-HC (420W class) 420 Wp 21.50% 215.1 -0.290 0.40% 21.3 kg TOPCon Modest efficiency
CHSM54N(BL)-HC 420W 420 Wp 21.50% 215.1 -0.290 0.40% 21.3 kg TOPCon Modest efficiency
LR5-54HTDB-420M 420 Wp 21.50% 215.1 -0.290 0.40% 22.5 kg - Cool in heat, top 12%
JKM420N-54HL4-B 420 Wp 21.51% 215.1 -0.290 0.40% 22.0 kg N-type Typical across the board
GCL-M10/54BH-420W 420 Wp 21.50% 215.1 -0.360 - 20.5 kg PERC Space-efficient, top 3%
GCL-M10/54H-420W 420 Wp 21.50% 215.1 -0.350 - 20.5 kg PERC Space-efficient, top 3%
LR5-54HTB-420M 420 Wp 21.50% 215.1 -0.290 0.40% 20.8 kg - Cool in heat, top 12%
LEDVANCE M420N54LM-BB-F3 420 Wp 21.50% 215.1 -0.300 0.40% 20.2 kg TOPCon Modest efficiency
PS420M8GF-18/VH BI 420 Wp 21.51% 215.1 -0.330 0.45% 21.0 kg PERC Top 3% efficiency
LR5-54HPH-420M 420 Wp 21.50% 215.1 -0.340 0.55% 20.8 kg PERC Space-efficient, top 3%
PS420M6-18/VH 420 Wp 21.51% 215.1 -0.330 0.55% 21.5 kg PERC Top 3% efficiency
LR5-54HPB-420M 420 Wp 21.50% 215.1 -0.340 0.55% 20.8 kg PERC Space-efficient, top 3%
LR5-54HTH-420M 420 Wp 21.50% 215.1 -0.290 0.40% 20.8 kg - Cool in heat, top 12%
JAM54D30-420/GB BI 420 Wp 21.50% 215.1 -0.350 0.45% 21.5 kg PERC Space-efficient, top 3%
LEDVANCE M410~430N54LB-BB F7 (420W bin) BI 420 Wp 21.51% 215.1 -0.290 1.00% 24.0 kg TOPCon Fast degradation
Q-SUN Solar QNN182-HG420-54 BI 420 Wp 21.51% 215.1 -0.290 0.40% 24.0 kg TOPCon Heavy for its class
STP420S-C54/Nshb 420 Wp 21.50% 215.1 -0.290 0.40% 21.0 kg TOPCon Modest efficiency
TW420MAP-108-H-F 420 Wp 21.50% 215.1 -0.340 0.55% 20.5 kg PERC Space-efficient, top 3%
Talesun TM7G54M/420W BI 420 Wp 21.50% 215.1 -0.290 0.40% 24.5 kg TOPCon Heavy for its class
ZXM7-UHLDD108-420 BI 420 Wp 21.51% 215.1 -0.300 0.40% 24.5 kg TOPCon Heavy for its class
TS-BGT54(420) BI 420 Wp 21.51% 215.1 -0.300 0.40% 24.2 kg TOPCon Heavy for its class
HT-SAAE HT54-18X(PD)-F 420W BI 420 Wp 21.50% 215.1 -0.330 0.50% 24.0 kg PERC Space-efficient, top 3%
EGing PV EG-420NT54-HLV 420 Wp 21.50% 215.1 -0.300 0.40% 20.2 kg TOPCon Modest efficiency
TS-BBT54(420) BI 420 Wp 21.51% 215.1 -0.300 0.40% 21.5 kg TOPCon Needs more roof
Hanersun HN18N-54HB420W 420 Wp 21.51% 215.1 -0.310 0.40% 21.5 kg TOPCon Weak in heat
Hanersun HN18-54H420W 420 Wp 21.50% 215.1 -0.310 0.40% 21.5 kg TOPCon Weak in heat
Hanersun HN18-54HT420W BI 420 Wp 21.50% 215.1 -0.310 0.40% 24.5 kg TOPCon Heavy for its class
Hanersun HN18N-54HT420W BI 420 Wp 21.51% 215.1 -0.310 0.40% 24.5 kg TOPCon Heavy for its class
Hanersun HN18N-54H420W 420 Wp 21.50% 215.1 -0.280 0.40% 20.2 kg TOPCon Cool in heat, top 4%
VSUN VSUN420N-108MH 420 Wp 21.51% 215.1 -0.300 0.40% 21.4 kg TOPCon Needs more roof
VSUN VSUN420N-108BMH-DG BI 420 Wp 21.55% 215.1 -0.300 0.40% 24.7 kg TOPCon Heavy for its class
VSUN VSUN420N-108BMH-DG-BB BI 420 Wp 21.51% 215.1 -0.300 0.40% 24.7 kg TOPCon Heavy for its class
Vikram Solar HYPERSOL VSMDH.54.AAA.05-420 BI 420 Wp 21.51% 215.1 -0.280 0.40% 25.1 kg N-type Cool in heat, top 2%
Vikram Solar PARADEA VSMDH.54.AAA.05-420 BI 420 Wp 21.51% 215.1 -0.350 0.50% 25.1 kg PERC Top 3% efficiency
VSUN VSUN420N-108MH-BW 420 Wp 21.51% 215.1 -0.300 0.40% 21.4 kg TOPCon Needs more roof
Heliene 108HC M10 NTYP SL All Black Module (420W class) 420 Wp 21.50% 215.1 -0.300 0.40% 21.5 kg TOPCon Modest efficiency
Neo Solar Power NESE 420-54THB-M10 BI 420 Wp 21.51% 215.1 -0.300 - 24.5 kg TOPCon Heavy for its class
Neo Solar Power NESE 420-54TH-M10 420 Wp 21.51% 215.1 -0.300 - 20.5 kg TOPCon Degradation not published
Luxor Solar LX-420M/182-108+GG BI 420 Wp 21.84% 215.1 -0.300 - 21.5 kg TOPCon Degradation not published
Luxor Solar LX-420M/182-108+ 420 Wp 21.82% 215.1 -0.360 0.50% 21.5 kg TOPCon Weak in heat
Luxor Solar LX - 420 M/182-108+ GG BI 420 Wp 21.84% 215.1 -0.300 0.34% 24.0 kg TOPCon Slow degradation, top 3%
Luxor Solar LX - 420 M/182-108+ 420 Wp 21.84% 215.1 -0.300 - 21.5 kg N-type Degradation not published
VSUN VSUN420N-108BMH-BB BI 420 Wp 21.51% 215.1 -0.300 0.40% 21.4 kg TOPCon Needs more roof
Sharp NU-JC420B 420 Wp 21.51% 215.1 -0.300 - 20.7 kg TOPCon Degradation not published
VSUN VSUN420N-108MH-BB BI 420 Wp 21.74% 215.1 -0.300 0.40% 21.4 kg TOPCon Needs more roof
Hiwatt Solar HW-M10/108G-420 420 Wp 21.02% 215.1 -0.340 0.55% 20.5 kg TOPCon Fast degradation
AmoSolar AS420M10-108 420 Wp 21.51% 215.1 -0.350 0.55% 21.0 kg PERC Top 3% efficiency
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