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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
Tata Power Solar TP580LG10TB BI 580 Wp 20.83% 208.3 -0.360 0.72% 31.0 kg PERC Fast degradation
Bruk-Bet PEM.WS-455 455 Wp 20.82% 208.2 -0.324 - 24.5 kg PERC Cool in heat, top 5%
Techwise Solar TW-460HT-120M 460 Wp 20.65% 208.2 -0.350 - 26.5 kg PERC Degradation not published
Silfab SIL-370 BK 370 Wp 20.80% 208.2 -0.377 0.50% 19.0 kg PERC Space-efficient, top 5%
Vikram Solar PREXOS VSMDHT.60.450.05 BI 450 Wp 20.82% 208.2 -0.350 0.55% 24.0 kg PERC Typical across the board
Emmvee E495HCM132-B 495 Wp 20.82% 208.2 -0.350 0.55% 25.0 kg PERC Light for its class, top 22%
Emmvee E495HCBT132 BI 495 Wp 20.82% 208.2 -0.350 0.55% 25.0 kg PERC Light for its class, top 22%
Emmvee E495HCBG132 BI 495 Wp 20.82% 208.2 -0.350 0.45% 28.0 kg PERC Slow degradation, top 11%
TSM-DE17M(II)-455W 455 Wp 20.80% 208.1 -0.340 0.55% 24.0 kg PERC Cool in heat, top 19%
Amerisolar AS-6M144-HC-455 455 Wp 20.81% 208.1 -0.360 0.55% 24.0 kg PERC Weak in heat
Emmvee E495HCMW132 495 Wp 20.82% 208.2 -0.350 0.55% 25.0 kg PERC Light for its class, top 22%
Boviet Solar BVM7612M-540-H-HC 540 Wp 20.80% 208.1 -0.350 0.60% 28.9 kg PERC Fast degradation
STP365S-A66/Ssh 365 Wp 20.80% 208.1 -0.380 0.50% 19.0 kg PERC Space-efficient, top 5%
NS-450MH-120 450 Wp 20.80% 208.1 -0.290 - 21.5 kg N-type Modest efficiency
PolyCrown Solar Tech NS-450MH-120 450 Wp 20.80% 208.1 -0.290 0.42% 21.5 kg N-type Fast degradation
Motech XS60CF-450 450 Wp 20.81% 208.1 -0.348 - 23.5 kg - Degradation not published
TSM-DE09.08-400 400 Wp 20.80% 208.1 -0.340 0.55% 21.0 kg PERC Cool in heat, top 24%
TSM-400DE09.08 400 Wp 20.80% 208.1 -0.340 0.55% 21.0 kg - Fast degradation
TSM-DE09.05-400 400 Wp 20.80% 208.1 -0.340 0.55% 21.0 kg PERC Cool in heat, top 24%
RSM40-8-400M 400 Wp 20.80% 208.1 -0.340 0.55% 22.0 kg PERC Cool in heat, top 24%
Hanersun HN21-40H400W 400 Wp 20.80% 208.1 -0.340 0.55% 21.0 kg PERC Cool in heat, top 24%
Hiwatt Solar HW-M12/80H-400 400 Wp 20.80% 208.1 -0.340 0.55% 21.0 kg TOPCon Fast degradation
JS210MC120-400 400 Wp 20.80% 208.1 -0.350 - 21.0 kg PERC Degradation not published
Just Solar JST400M(120) 400 Wp 20.80% 208.1 -0.340 0.65% 21.0 kg Back Contact Modest efficiency
TSM-400 DE09.08 400 Wp 20.80% 208.1 -0.340 - 21.0 kg - Degradation not published
JS Solar JS210MC120-400 400 Wp 20.80% 208.1 -0.350 0.55% 21.0 kg - Fast degradation
AE CMD-L144BD-565 BI 565 Wp 20.81% 208.1 -0.290 0.40% 29.5 kg TOPCon Modest efficiency
WSMD-650 650 Wp 20.82% 208.0 -0.340 0.55% 34.5 kg PERC Modest efficiency
Bi-68-650 BI 650 Wp 20.82% 208.0 -0.340 0.55% 39.0 kg PERC Modest efficiency
Aptos Solar DNA-120-BF10-450W BI 450 Wp 20.79% 208.0 -0.350 0.54% 22.8 kg PERC Typical across the board
Aptos Solar DNA-120-MF10-450W 450 Wp 20.79% 208.0 -0.350 0.54% 24.2 kg PERC Typical across the board
Hiwatt Solar HW-M10/120H-450 450 Wp 20.80% 208.0 -0.340 0.55% 25.0 kg PERC Cool in heat, top 19%
Goldi Solar GS10-B120-GF-450 BI 450 Wp 20.79% 207.9 -0.320 0.55% 24.0 kg PERC Cool in heat, top 3%
Goldi Solar GS10-M120-WF-450 450 Wp 20.79% 207.9 -0.340 0.55% 24.0 kg PERC Cool in heat, top 19%
Goldi Solar GS10-B120-TF-450 BI 450 Wp 20.79% 207.9 -0.350 0.55% 25.0 kg PERC Typical across the board
Goldi Solar GS10-M120-BF-450 450 Wp 20.79% 207.9 -0.350 0.55% 24.0 kg PERC Typical across the board
Gamko New Energy GKA166M144 (455W class) 455 Wp 20.79% 207.9 -0.360 - 21.0 kg PERC Light for its class, top 4%
Gamko New Energy GKA166M144-455 455 Wp 20.79% 207.9 -0.360 0.45% 21.0 kg TOPCon Weak in heat
VDS Renewable VDS-S150/M12H-495 495 Wp 20.80% 207.9 -0.340 0.55% 26.1 kg - Fast degradation
Heckert Solar NeMo® 4.2 80 M BLACK 405 405 Wp 20.80% 207.9 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NEMO 4.2 80 M BLACK FRAME 405 405 Wp 20.80% 207.9 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NeMo 4.2 80M 405 405 Wp 20.80% 207.9 -0.340 - 21.0 kg - Degradation not published
Heckert Solar NEMO 4.2 80M BLACK 405 405 Wp 20.80% 207.9 -0.340 - 21.0 kg - Degradation not published
Meyer Burger MB_WG144Cyz_560 BI 560 Wp 20.80% 207.9 -0.259 0.20% 34.4 kg HJT Slow degradation, top 5%
S-Energy SL85-66BDL-645R BI 645 Wp 20.79% 207.9 -0.340 0.45% 37.9 kg PERC Modest efficiency
AE ME-132 645W 645 Wp 20.79% 207.9 -0.340 - 31.5 kg PERC Light for its class, top 6%
ME-132BD-645 BI 645 Wp 20.79% 207.9 -0.340 - 37.0 kg PERC Degradation not published
AE ME-132BD-645 BI 645 Wp 20.79% 207.9 -0.340 0.55% 37.0 kg PERC Modest efficiency
AE ME-132-645 645 Wp 20.79% 207.9 -0.340 0.55% 31.5 kg PERC Light for its class, top 6%
ME-132-645 645 Wp 20.79% 207.9 -0.340 0.55% 31.5 kg PERC Light for its class, top 6%
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