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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
JKM425-445N-54HL4R-BDB (STC column: 425W) BI 425 Wp 21.27% 212.7 -0.290 0.40% 25.4 kg TOPCon Heavy for its class
TSM-NEG9RC.27-425 BI 425 Wp 21.30% 212.7 -0.290 0.40% 21.0 kg TOPCon Modest efficiency
Huayao HY425-N108FDD BI 425 Wp 21.27% 212.7 -0.300 0.40% 24.6 kg TOPCon Heavy for its class
DAH Solar DHN-48Z20/DG-425W BI 425 Wp 21.27% 212.7 -0.290 - 23.9 kg TOPCon Degradation not published
DAH Solar DHN-48Z20/DG(BB)-425W BI 425 Wp 21.27% 212.7 -0.290 - 23.9 kg TOPCon Degradation not published
DAH Solar DHN-48Z16/DG-425 BI 425 Wp 21.27% 212.7 -0.290 - 23.9 kg TOPCon Degradation not published
DAH Solar DHN-48Z16/DG(BW)-425 BI 425 Wp 21.27% 212.7 -0.290 0.40% 23.9 kg TOPCon Modest efficiency
Sunlike Solar SKT425M10-108D6 BI 425 Wp 21.27% 212.7 -0.290 0.40% 21.5 kg N-type Modest efficiency
TSM-425 NEG9R.25 BI 425 Wp 21.30% 212.7 -0.290 0.40% 21.0 kg TOPCon Modest efficiency
TSM-425NEG9R.28 BI 425 Wp 21.30% 212.7 -0.290 0.40% 21.0 kg TOPCon Modest efficiency
DAH Solar DHN-48Z20/DG-425 BI 425 Wp 21.27% 212.7 -0.290 0.40% 23.9 kg TOPCon Modest efficiency
DAH Solar DHN-48Z16/DG 425W BI 425 Wp 21.27% 212.7 -0.290 0.40% 23.9 kg TOPCon Modest efficiency
DAH Solar DHN-48Z20/DG(BB)-425 BI 425 Wp 21.27% 212.7 -0.290 0.40% 23.9 kg TOPCon Modest efficiency
JKM425N-54HL4R 425 Wp 21.27% 212.7 -0.290 0.40% 22.0 kg N-type Modest efficiency
JKM425N-54HL4R-V 425 Wp 21.27% 212.7 -0.290 0.40% 22.0 kg N-type Modest efficiency
Resun Solar RS8I-M TOPCON-425 425 Wp 21.27% 212.7 -0.300 0.50% 22.3 kg TOPCon Fast degradation
PS505M6-22/WH 505 Wp 21.27% 212.7 -0.330 0.55% 26.0 kg PERC Space-efficient, top 6%
ZXM7-SHLDD132-505 BI 505 Wp 21.27% 212.7 -0.350 0.45% 29.0 kg PERC Space-efficient, top 6%
ZXM7-SHLD132-505 505 Wp 21.27% 212.7 -0.350 0.45% 29.0 kg PERC Space-efficient, top 6%
TS-BB66(505) BI 505 Wp 21.27% 212.7 -0.330 0.55% 25.3 kg PERC Space-efficient, top 6%
TS-BW66(505) BI 505 Wp 21.30% 212.7 -0.330 0.55% 25.3 kg PERC Top 4% efficiency
TS-BG66(505) BI 505 Wp 21.27% 212.7 -0.330 0.45% 28.5 kg PERC Space-efficient, top 6%
S-Energy SL65-66BDJ-505Z BI 505 Wp 21.27% 212.7 -0.350 0.45% 29.0 kg PERC Space-efficient, top 6%
AmoSolar AS505M10-132 505 Wp 21.27% 212.7 -0.350 0.55% 24.5 kg PERC Space-efficient, top 6%
LF505M10-66H 505 Wp 21.30% 212.7 -0.354 0.55% 26.5 kg PERC Top 4% efficiency
Jinergy JKL132-B-505MH 505 Wp 21.28% 212.7 -0.360 0.55% 26.0 kg PERC Top 6% efficiency
Sunlike Solar LNVT-505M BI 505 Wp 21.27% 212.7 -0.360 0.53% 25.5 kg PERC Space-efficient, top 6%
Techwise Solar TW-505HT 505 Wp 21.27% 212.7 -0.350 0.55% 26.0 kg PERC Space-efficient, top 6%
JS182MHC132-505 505 Wp 21.30% 212.7 -0.340 - 26.0 kg PERC Top 4% efficiency
Gamko New Energy GKA182M132S-505 BI 505 Wp 21.27% 212.7 -0.360 - 23.0 kg PERC Light for its class, top 1%
JS Solar JS182MHC132-505 505 Wp 21.30% 212.7 -0.340 0.55% 26.0 kg - Space-efficient, top 17%
Gamko New Energy GKA182M132-505 BI 505 Wp 21.27% 212.7 -0.360 0.46% 23.0 kg PERC Light for its class, top 1%
Lu'an Solar JKL132-B-505MH 505 Wp 21.32% 212.7 -0.340 0.55% 26.0 kg PERC Top 3% efficiency
Luxen Solar Energy LNVT-505M 505 Wp 21.30% 212.7 -0.360 0.55% 25.5 kg - Weak in heat
Jetion JT505SLt(B) BI 505 Wp 21.30% 212.7 -0.290 0.40% 31.1 kg TOPCon Heavy for its class
Resun Solar RS8H-M-505 505 Wp 21.27% 212.7 -0.350 0.50% 26.3 kg TOPCon Weak in heat
ZXM7-SHW144-545 545 Wp 21.27% 212.7 -0.350 0.60% 13.5 kg PERC Lightest in its segment
VSUN VSUN460N-120BMH-DG-BB BI 460 Wp 21.26% 212.6 -0.300 0.40% 26.7 kg TOPCon Modest efficiency
VSUN VSUN460N-120MH 460 Wp 21.26% 212.6 -0.300 0.40% 23.9 kg TOPCon Modest efficiency
VSUN VSUN460N-120MH-BB 460 Wp 21.26% 212.6 -0.300 0.40% 23.9 kg TOPCon Modest efficiency
Aptos Solar DNA-120-MF10-460W 460 Wp 21.26% 212.6 -0.350 0.54% 24.2 kg PERC Space-efficient, top 12%
Aptos Solar DNA-120-BF10-460W BI 460 Wp 21.26% 212.6 -0.350 0.54% 22.8 kg PERC Space-efficient, top 12%
Hiwatt Solar HW-M10/120H-460 460 Wp 21.20% 212.6 -0.340 0.55% 25.0 kg PERC Space-efficient, top 12%
Sun Earth DXM8-60HBG 460W BI 460 Wp 21.30% 212.6 -0.290 0.40% 26.5 kg TOPCon Modest efficiency
Sun Earth DXM8-60H 460W 460 Wp 21.30% 212.6 -0.290 - 22.5 kg - Light for its class, top 8%
Jetion JT460SIt(B) BI 460 Wp 21.30% 212.6 -0.290 0.40% 28.5 kg TOPCon Heavy for its class
Goldi Solar GS10-B120-GF-460 BI 460 Wp 21.26% 212.6 -0.320 0.55% 24.0 kg PERC Cool in heat, top 3%
Goldi Solar GS10-B120-GF BI 460 Wp 21.26% 212.6 -0.320 0.50% 28.0 kg PERC Cool in heat, top 3%
Goldi Solar GS10-M120-WF-460 460 Wp 21.26% 212.6 -0.340 0.55% 24.0 kg PERC Top 12% efficiency
Axitec AC-570TGB/144TB-ALP BI 570 Wp 21.25% 212.5 -0.310 0.40% 43.0 kg TOPCon 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