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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
MD-120-445 445 Wp 20.65% 206.5 -0.350 0.55% 22.5 kg PERC Light for its class, top 23%
LR5-66HPH-485M 485 Wp 20.60% 206.5 -0.350 0.55% 25.1 kg PERC Modest efficiency
RSM144-6-420BHDG BI 420 Wp 20.60% 206.5 -0.240 0.30% 35.0 kg HJT Heavy for its class
Tata Power Solar TP575LG10B BI 575 Wp 20.65% 206.5 -0.370 0.60% 36.0 kg PERC Heavy for its class
Tata Power Solar TP575LG10TB BI 575 Wp 20.65% 206.5 -0.360 0.72% 31.0 kg PERC Fast degradation
TH410PMB7-44SCF 410 Wp 20.60% 206.5 -0.340 0.55% 20.8 kg - Fast degradation
HiE-S410DG(FB) 410 Wp 20.60% 206.5 -0.340 0.55% 20.8 kg PERC Cool in heat, top 24%
SunEvo Solar SE6-44SC-410W 410 Wp 20.60% 206.5 -0.340 0.55% 20.8 kg - Fast degradation
SunEvo Solar SE6-44SC-410 410 Wp 20.60% 206.5 -0.340 0.55% 20.8 kg - Fast degradation
JAM66S30-490/MR 490 Wp 20.60% 206.4 -0.350 0.55% 25.2 kg PERC Modest efficiency
JAM66S30-490/MR/1500V 490 Wp 20.60% 206.4 -0.350 0.55% 26.3 kg PERC Modest efficiency
JAM60D10-355/TB/1500V BI 355 Wp 20.60% 206.4 -0.310 0.50% 22.0 kg N-type Typical across the board
NS-450MH-144 450 Wp 20.64% 206.4 -0.290 - 24.0 kg TOPCon Modest efficiency
NS-450MH-144 450 Wp 20.64% 206.4 -0.290 - 24.0 kg N-type Modest efficiency
PolyCrown Solar Tech NS-450MH-144 450 Wp 20.64% 206.4 -0.290 0.42% 24.0 kg - Cool in heat, top 11%
STP450S-B72/Pnh+ BI 450 Wp 20.60% 206.4 -0.360 0.45% 28.1 kg - Weak in heat
Adani Solar ASB-M10-144-530 BI 530 Wp 20.64% 206.4 -0.340 0.45% 28.0 kg PERC Slow degradation, top 20%
Adani Solar ASM-M10-144-530 530 Wp 20.64% 206.4 -0.370 0.55% 28.0 kg PERC Weak in heat
Goldi Solar GS10-B132-GF-490 BI 490 Wp 20.64% 206.4 -0.320 0.50% 28.0 kg PERC Cool in heat, top 3%
Goldi Solar GS10-B132-TF-490 BI 490 Wp 20.64% 206.4 -0.340 0.55% 26.5 kg PERC Cool in heat, top 19%
Goldi Solar GS10-M132-WF-490 490 Wp 20.64% 206.4 -0.340 0.55% 26.5 kg PERC Cool in heat, top 19%
Isola New Energy YH410W-27M 410 Wp 20.92% 206.4 -0.350 - 7.1 kg Flexible Lightest in its segment
WSMD-645 645 Wp 20.65% 206.4 -0.340 0.55% 34.5 kg PERC Modest efficiency
Bi-68-645 BI 645 Wp 20.65% 206.4 -0.340 0.55% 39.0 kg PERC Heavy for its class
Meyer Burger MB_TG120ByB_370 BI 370 Wp 20.60% 206.4 -0.259 0.20% 24.4 kg HJT Slow degradation, top 10%
S-Energy SL45-78BGI-485S BI 485 Wp 20.60% 206.4 -0.350 0.54% 26.5 kg PERC Modest efficiency
PS490M6-22/WH 490 Wp 20.64% 206.4 -0.330 0.55% 26.0 kg PERC Cool in heat, top 8%
ZXM7-SHLDD132-490 BI 490 Wp 20.64% 206.4 -0.350 0.45% 29.0 kg PERC Slow degradation, top 11%
ZXM7-SHLD132-490 490 Wp 20.64% 206.4 -0.350 0.45% 29.0 kg PERC Slow degradation, top 11%
TS-BB66(490) BI 490 Wp 20.64% 206.4 -0.330 0.55% 25.3 kg PERC Cool in heat, top 8%
TS-BW66(490) BI 490 Wp 20.60% 206.4 -0.330 0.55% 25.3 kg PERC Cool in heat, top 8%
TS-BG66(490) BI 490 Wp 20.64% 206.4 -0.330 0.45% 28.5 kg PERC Cool in heat, top 8%
Heliene 132HC-490 M10 SL 490 Wp 20.60% 206.4 -0.340 0.50% 27.0 kg PERC Cool in heat, top 19%
S-Energy SL65-66BDJ-490Z BI 490 Wp 20.64% 206.4 -0.350 0.45% 29.0 kg PERC Slow degradation, top 11%
Techwise Solar TW-490HT 490 Wp 20.64% 206.4 -0.350 0.55% 26.0 kg PERC Typical across the board
LF490M10-66H 490 Wp 20.60% 206.4 -0.354 0.55% 26.5 kg PERC Weak in heat
AmoSolar AS490M10-132 490 Wp 20.64% 206.4 -0.350 0.55% 24.5 kg PERC Light for its class, top 19%
Jinergy JKL132-B-490MH 490 Wp 20.83% 206.4 -0.360 0.55% 26.0 kg PERC Weak in heat
Sunlike Solar LNVT-490M BI 490 Wp 20.64% 206.4 -0.360 0.53% 25.5 kg PERC Weak in heat
Gamko New Energy GKA182M132S-490 BI 490 Wp 20.64% 206.4 -0.360 - 23.0 kg PERC Light for its class, top 6%
RS480~500S8-132GA-490 BI 490 Wp 20.60% 206.4 -0.353 - 29.5 kg PERC Heavy for its class
JS182MHC132-490 490 Wp 20.60% 206.4 -0.340 - 26.0 kg PERC Degradation not published
JS Solar JS182MHC132-490 490 Wp 20.60% 206.4 -0.340 0.55% 26.0 kg - Fast degradation
Lu'an Solar JKL132-B-490MH 490 Wp 20.61% 206.4 -0.340 0.55% 26.0 kg PERC Cool in heat, top 19%
RS490S8-132GA BI 490 Wp 20.60% 206.4 -0.353 0.45% 29.5 kg PERC Heavy for its class
Gamko New Energy GKA182M132-490 BI 490 Wp 20.64% 206.4 -0.360 0.46% 23.0 kg TOPCon Weak in heat
Resun Solar RS8H-M-490 490 Wp 20.64% 206.4 -0.350 0.50% 26.3 kg TOPCon Needs more roof
Hiwatt Solar HW-M12/100H-495 495 Wp 20.60% 206.3 -0.340 0.55% 26.5 kg TOPCon Modest efficiency
Sunlike Solar LNEX-495M 495 Wp 20.63% 206.3 -0.340 0.53% 26.5 kg - Typical across the board
GCL-M10/54GDF-B 410W 410 Wp 20.60% 206.3 -0.350 - 25.3 kg PERC 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