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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 Resun Solar Longi Solar Suntech Hanersun Gamko New Energy GCL Waaree Vikram Solar ZNShine SunEvo 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 Premier Energies SunLink TCL Zhonghuan Hyundai First Solar VDS Renewable SpolarPV Recom Boviet Solar PVolution Sun Earth AUSTA ENERGY REC SunKean Isola New Energy Sunket New Energy Rarlon PV Tech Solitek Adani Solar Silfab Renewsys Axitec Gokin Hounen Solar Solarwatt WINAICO Solar-Fabrik Just Solar RedSolar Exiom Tata Power Solar Lina Energy FuturaSun G-STAR Maxeon Ocean Solar CSUN Selfa Aptos Solar IBC Solar SP Enerji 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 Solarever 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 Peimar Solar Power Vietnam YS Solar Zonergy ENCOR AKCOME KDM Kingdom Solar Kingdom Easun Power LS Solar MWG ASM AU Optronics Growatt RMCIP Tescom Solar Top Solar Wanze Energy
Active 300 Wp and up Found 13,554 panels
Model Power Efficiency Wp/m² Temp Degr. Weight Tech. Standout
Renew Photovoltaics RPS2MH72BD555 BI 555 Wp 21.48% 214.8 -0.320 0.45% 32.5 kg PERC Cool in heat, top 3%
Resun Solar RS8I-555M-F30 555 Wp 21.50% 214.8 -0.390 0.50% 27.2 kg - Weak in heat
Hounen Solar HNM7-SHDB144-555/M BI 555 Wp 21.48% 214.8 -0.350 - 28.0 kg - Degradation not published
Goldi Solar GS10-M156-WF-600 600 Wp 21.50% 214.8 -0.340 0.55% 31.5 kg PERC Typical across the board
Lina Energy LEPV 420 BI 420 Wp 21.49% 214.8 -0.360 - 23.4 kg TOPCon Weak in heat
PolyCrown Solar Tech NS-420MH-108 420 Wp 21.48% 214.8 -0.290 0.42% 19.5 kg N-type Light for its class, top 7%
STP420S-C54/Umh 420 Wp 21.50% 214.8 -0.320 0.40% 22.1 kg TOPCon Weak in heat
Fellow Energy FE54-18X Full Black 420 Wp 21.50% 214.8 -0.326 0.60% 21.0 kg PERC Top 4% efficiency
Fellow Energy FE54-18X(N)-420W BI 420 Wp 21.48% 214.8 -0.310 0.40% 21.0 kg TOPCon Weak in heat
HS550TC-MHG-D BI 550 Wp 21.50% 214.8 -0.280 0.40% 31.5 kg TOPCon Cool in heat, top 5%
Leapton LP182*182-M-60-MH-465W 465 Wp 21.48% 214.8 -0.360 0.55% 23.0 kg TOPCon Weak in heat
EGing PV EG-465NT60-HLV 465 Wp 21.48% 214.8 -0.300 0.40% 22.3 kg TOPCon Modest efficiency
Leapton LP182*182-M-60-NH-465W 465 Wp 21.48% 214.8 -0.300 0.40% 23.0 kg TOPCon Modest efficiency
Leapton LP182*182-M-60-NB-465W BI 465 Wp 21.48% 214.8 -0.300 0.40% 26.5 kg TOPCon Modest efficiency
JS182MHC120-465 465 Wp 21.48% 214.8 -0.340 - 23.0 kg PERC Top 4% efficiency
SunKean SKT465M10-120D3 BI 465 Wp 21.55% 214.8 -0.290 - 24.8 kg TOPCon Needs more roof
Recom RCM-465-7NE 465 Wp 21.55% 214.8 -0.300 0.45% 23.8 kg TOPCon Needs more roof
SEG-465-BTB-BG BI 465 Wp 21.48% 214.8 -0.300 0.40% 27.3 kg TOPCon Heavy for its class
JS Solar JS182MHC120-465 465 Wp 21.48% 214.8 -0.340 0.55% 23.0 kg - Light for its class, top 9%
Sunket New Energy SKT465M10-120D3 BI 465 Wp 21.55% 214.8 -0.290 0.40% 24.8 kg TOPCon Needs more roof
SRP-465-BMB-HV 465 Wp 21.48% 214.8 -0.340 0.70% 22.3 kg PERC Fast degradation
SRP-465-BMB-BG BI 465 Wp 21.48% 214.8 -0.340 0.45% 27.3 kg PERC Top 4% efficiency
JKM410N-6RL3-B 410 Wp 21.48% 214.8 -0.340 0.40% 20.8 kg N-type Weak in heat
JKM410M-6RL3 410 Wp 21.48% 214.8 -0.350 0.55% 20.8 kg PERC Space-efficient, top 5%
PS510M6-22/WH 510 Wp 21.48% 214.8 -0.330 0.55% 26.0 kg PERC Space-efficient, top 2%
ZXM7-SHLDD132-510 BI 510 Wp 21.48% 214.8 -0.350 0.45% 29.0 kg PERC Space-efficient, top 2%
ZXM7-SHLD132-510 510 Wp 21.48% 214.8 -0.350 0.45% 29.0 kg PERC Space-efficient, top 2%
TS-BW66(510) BI 510 Wp 21.50% 214.8 -0.330 0.55% 25.3 kg PERC Top 1% efficiency
VSUN VSUN510N-132BMH BI 510 Wp 21.48% 214.8 -0.300 0.40% 26.2 kg TOPCon Modest efficiency
Heliene 132HC-510 M10 NTYP SL 510 Wp 21.48% 214.8 -0.300 0.40% 27.0 kg N-type Needs more roof
VSUN VSUN510N-132MH-BB 510 Wp 21.48% 214.8 -0.300 0.40% 26.2 kg TOPCon Modest efficiency
AmoSolar AS510M10-132 510 Wp 21.48% 214.8 -0.350 0.55% 24.5 kg PERC Space-efficient, top 2%
Lu'an Solar JKL132-B-510NH 510 Wp 21.48% 214.8 -0.300 0.40% 24.0 kg TOPCon Modest efficiency
Jinergy JKL132-B-510MH 510 Wp 21.51% 214.8 -0.360 0.55% 26.0 kg PERC Top 1% efficiency
NS-510MH-132 510 Wp 21.47% 214.8 -0.290 - 24.0 kg N-type Modest efficiency
JS182MHC132-510 510 Wp 21.47% 214.8 -0.340 - 26.0 kg PERC Space-efficient, top 2%
JS Solar JS182MHC132-510 510 Wp 21.47% 214.8 -0.340 0.55% 26.0 kg - Top 15% efficiency
Lu'an Solar JKL132-B-510MH 510 Wp 21.51% 214.8 -0.340 0.55% 26.0 kg PERC Top 1% efficiency
PolyCrown Solar Tech NS-510MH-132 510 Wp 21.47% 214.8 -0.290 0.42% 24.0 kg N-type Fast degradation
Resun Solar RS8H-M-510 510 Wp 21.48% 214.8 -0.350 0.50% 26.3 kg TOPCon Weak in heat
Jetion JT510SLt(B) BI 510 Wp 21.50% 214.8 -0.290 0.40% 31.1 kg TOPCon Heavy for its class
Meyer Burger MB_TG120ByB_385 BI 385 Wp 21.50% 214.8 -0.259 0.20% 24.4 kg HJT Slow degradation, top 10%
Q-SUN Solar QNM182-HS555-72 555 Wp 21.50% 214.8 -0.320 0.55% 28.3 kg PERC Cool in heat, top 3%
STP555S-C72/Nmh+ BI 555 Wp 21.50% 214.8 -0.320 0.40% 32.8 kg TOPCon Heavy for its class
BiN-08-555 BI 555 Wp 21.48% 214.8 -0.300 0.40% 32.0 kg TOPCon Modest efficiency
ZXM7-UHLDD144-555W BI 555 Wp 21.48% 214.8 -0.300 0.40% 31.5 kg TOPCon Modest efficiency
ZXM7-SHLD144-555W 555 Wp 21.48% 214.8 -0.350 0.45% 31.5 kg PERC Slow degradation, top 20%
ZXM7-EH144-555W 555 Wp 21.48% 214.8 -0.350 0.55% 28.0 kg PERC Typical across the board
ZXM7-UH144-555 555 Wp 21.48% 214.8 -0.300 0.50% 28.0 kg TOPCon Modest efficiency
ZXM7-SHLDD144-555 BI 555 Wp 21.48% 214.8 -0.350 0.45% 31.5 kg PERC Slow degradation, top 20%
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