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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
New East Solar NESE 420-54TH-M10 420 Wp 21.51% 215.1 -0.300 0.50% 20.5 kg TOPCon Fast degradation
Sunket New Energy SKT420M10-108S1 420 Wp 21.50% 215.1 -0.290 0.40% 20.5 kg TOPCon Modest efficiency
Sunket New Energy SKT420M10-108D4 BI 420 Wp 21.50% 215.1 -0.290 0.40% 23.4 kg TOPCon Modest efficiency
SunEvo Solar SE5-54H-420 420 Wp 21.51% 215.1 -0.300 0.40% 21.0 kg TOPCon Needs more roof
Solar N Plus SP-N16/108HG420W BI 420 Wp 21.50% 215.1 -0.290 0.40% 24.0 kg TOPCon Heavy for its class
Solar N Plus SP-N16/108H420W 420 Wp 21.50% 215.1 -0.290 0.40% 21.0 kg TOPCon Modest efficiency
RS420S8B-108GANT BI 420 Wp 21.51% 215.1 -0.310 0.40% 21.0 kg N-type Weak in heat
Sun Earth DXM8-54HBG-420 BI 420 Wp 21.50% 215.1 -0.290 0.40% 24.5 kg TOPCon Heavy for its class
Hounen Solar HNM7-UHLDD108-420/M BI 420 Wp 21.51% 215.1 -0.300 0.40% 24.5 kg N-type Heavy for its class
Hounen Solar HNM7-SHDB108-420/M 420 Wp 21.51% 215.1 -0.350 0.55% 20.5 kg - Light for its class, top 7%
Heliene 108HC-420 M10X SL BIFACIAL BI 420 Wp 21.51% 215.1 -0.300 0.40% 21.5 kg N-type Weak in heat
SRP-420-BMD-HV 420 Wp 21.51% 215.1 -0.340 0.55% 21.5 kg PERC Top 3% efficiency
SRP-420-BMD-BG BI 420 Wp 21.51% 215.1 -0.340 0.45% 24.0 kg PERC Top 3% efficiency
Vikram Solar PARADEA VSMDH.54.420.05 BI 420 Wp 21.51% 215.1 -0.350 0.50% 25.1 kg PERC Top 3% efficiency
Hanersun HN18N-54H-L420W 420 Wp 21.50% 215.1 -0.280 0.40% 13.8 kg TOPCon Light for its class, top 2%
Vikram Solar SOMERA VSMH.54.420.05 420 Wp 21.51% 215.1 -0.350 0.55% 21.3 kg PERC Top 3% efficiency
Vikram Solar PREXOS VSMDHT.72.420.05 BI 420 Wp 21.51% 215.1 -0.350 0.55% 21.3 kg PERC Top 3% efficiency
Luxen Solar Energy LNVB-420ND BI 420 Wp 21.51% 215.1 -0.290 0.40% 23.5 kg N-type Heavy for its class
Resun Solar RS8V-M TOPCON-420W 420 Wp 21.51% 215.1 -0.300 0.40% 21.5 kg TOPCon Needs more roof
Resun Solar RS8V420M-FB 420 Wp 21.51% 215.1 -0.350 0.50% 21.5 kg TOPCon Weak in heat
Resun Solar RS8V-M-DG-420 BI 420 Wp 21.51% 215.1 -0.300 0.50% 23.8 kg TOPCon Fast degradation
Jetion JT420SJt(B) BI 420 Wp 21.50% 215.1 -0.290 0.40% 25.8 kg TOPCon Heavy for its class
STP420S-C54/Nshtb+ BI 420 Wp 21.51% 215.1 -0.300 0.40% 21.5 kg TOPCon Needs more roof
Adani Solar ASB-M10-144-555 BI 555 Wp 21.50% 215.0 -0.320 0.40% 31.3 kg TOPCon Modest efficiency
S-Energy SL65-72TDP-555R BI 555 Wp 21.50% 215.0 -0.300 0.40% 32.0 kg TOPCon Modest efficiency
SpolarPV SPV555-PM10-144 555 Wp 21.50% 215.0 -0.350 0.45% 26.5 kg PERC Light for its class, top 3%
SpolarPV SP555HM6-72L 555 Wp 21.50% 215.0 -0.350 0.55% 28.0 kg PERC Space-efficient, top 14%
LR5-66HPH-505M 505 Wp 21.50% 215.0 -0.350 0.55% 25.1 kg PERC Space-efficient, top 1%
Maxeon SPR-MAX3-380-COM 380 Wp 21.50% 215.0 -0.270 0.25% 19.0 kg Back Contact Space-efficient, top 2%
Renew Photovoltaics RPS1MH60MBXXX 610 Wp 21.49% 214.9 -0.330 0.55% 31.0 kg PERC Cool in heat, top 6%
Goldi Solar GS10-M144-BF-555 BI 555 Wp 21.50% 214.9 -0.350 0.55% 28.0 kg PERC Space-efficient, top 15%
Goldi Solar GS10-M144-WF-555 555 Wp 21.49% 214.9 -0.340 0.55% 28.0 kg PERC Space-efficient, top 15%
Goldi Solar GS10-B144-GF-555 BI 555 Wp 21.50% 214.9 -0.350 0.50% 32.0 kg PERC Space-efficient, top 15%
Goldi Solar GS10-B144-GF-555Wp BI 555 Wp 21.50% 214.9 -0.350 0.50% 32.0 kg PERC Space-efficient, top 15%
JKBS375N-48HL4-BDV BI 375 Wp 21.49% 214.9 -0.290 - 20.0 kg BIPV Space-efficient, top 2%
VSUN VSUN465N-120BMH-DG-BB BI 465 Wp 21.49% 214.9 -0.300 0.40% 26.7 kg TOPCon Heavy for its class
VSUN VSUN465N-120MH-BB 465 Wp 21.49% 214.9 -0.300 0.40% 23.9 kg TOPCon Modest efficiency
VSUN VSUN465N-120MH 465 Wp 21.49% 214.9 -0.300 0.40% 23.9 kg TOPCon Modest efficiency
Bauer Solar BS-465-120M10NHBB-GG BI 465 Wp 21.49% 214.9 -0.300 0.40% 26.7 kg TOPCon Heavy for its class
Jetion JT465SIt(B) BI 465 Wp 21.50% 214.9 -0.290 0.40% 28.5 kg TOPCon Heavy for its class
REC REC610AA PRO M BI 610 Wp 21.50% 214.9 -0.240 0.25% 32.5 kg HJT Modest efficiency
REC REC610AA Pro MG BI 610 Wp 21.50% 214.9 -0.240 0.25% 36.8 kg HJT Heavy for its class
Q.PEAK DUO RSF XL-G11S.3 / BFG 600 BI 600 Wp 21.50% 214.9 -0.340 0.45% 36.4 kg PERC Heavy for its class
Q.PEAK DUO XL-G11S.3 / BFG 600 BI 600 Wp 21.50% 214.9 -0.340 0.45% 34.9 kg PERC Slow degradation, top 21%
LR5-66HPH-510M 510 Wp 21.50% 214.9 -0.340 0.55% 25.3 kg - Top 13% efficiency
JAM72D40-555/GB BI 555 Wp 21.50% 214.8 -0.300 0.40% 31.8 kg N-type Heavy for its class
CS6W-555MB-AG BI 555 Wp 21.50% 214.8 -0.340 0.45% 32.3 kg PERC Top 18% efficiency
CS6W-555MS 555 Wp 21.50% 214.8 -0.340 0.55% 27.6 kg PERC Top 18% efficiency
STP555S-C72/Pmh+ BI 555 Wp 21.50% 214.8 -0.340 0.45% 32.0 kg TOPCon Weak in heat
JAM72D30-555/MB BI 555 Wp 21.50% 214.8 -0.290 0.40% 31.8 kg PERC Cool in heat, top 1%
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