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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
S-Energy SL65-78BGJ-600S BI 600 Wp 21.50% 214.6 -0.350 0.54% 31.0 kg TOPCon Fast degradation
SRP-600-BMZ-HV 600 Wp 21.46% 214.6 -0.340 0.55% 29.5 kg PERC Light for its class, top 8%
SRP-600-BMZ-BG BI 600 Wp 21.46% 214.6 -0.340 0.45% 34.6 kg PERC Slow degradation, top 21%
Sunlike Solar LNVH-600M 600 Wp 21.46% 214.6 -0.360 0.53% 30.0 kg - Weak in heat
Ulica Solar AU600-39V-MH 600 Wp 21.46% 214.6 -0.300 - 30.7 kg TOPCon Modest efficiency
JAM78D40-600/MB/1500V BI 600 Wp 21.50% 214.6 -0.300 0.40% 34.6 kg N-type Modest efficiency
SEG-600-BMZ-BG BI 600 Wp 21.46% 214.6 -0.350 0.45% 34.0 kg PERC Weak in heat
AUSTA ENERGY AU600-39V-MH 600 Wp 21.46% 214.6 -0.300 0.40% 30.7 kg PERC Slow degradation, top 1%
CSUN CSUN600-156M 600 Wp 21.40% 214.6 -0.360 0.55% 31.5 kg PERC Weak in heat
Hounen Solar HNM7-SHLDD156-600/M BI 600 Wp 21.46% 214.6 -0.350 - 34.5 kg - Heavy for its class
Resun Solar RS8L-M-DG-600 BI 600 Wp 21.46% 214.6 -0.300 0.50% 32.9 kg TOPCon Modest efficiency
ZXM7-SHW144-550 550 Wp 21.46% 214.6 -0.350 0.60% 13.5 kg PERC Lightest in its segment
Vikram Solar SOMERA VSMH.66.510.05 510 Wp 21.46% 214.6 -0.350 0.55% 25.9 kg PERC Space-efficient, top 2%
Philadelphia Solar PS-M132(HCBF)-510W BI 510 Wp 21.50% 214.6 -0.350 0.50% 26.0 kg PERC Top 1% efficiency
Philadelphia Solar PS-M132(HCF)-510W 510 Wp 21.50% 214.6 -0.350 0.55% 26.0 kg PERC Top 1% efficiency
Emmvee E510HCMW132-T 510 Wp 21.45% 214.5 -0.290 0.40% 25.0 kg TOPCon Modest efficiency
Emmvee E510HCM132-BT 510 Wp 21.45% 214.5 -0.290 0.40% 25.0 kg TOPCon Modest efficiency
Renewsys DESERV EXTREME 120X-465 BI 465 Wp 21.44% 214.4 -0.292 - 26.5 kg TOPCon Modest efficiency
Axitec AC-575TGB/144TB-ALP BI 575 Wp 21.44% 214.4 -0.310 0.40% 43.0 kg TOPCon Heavy for its class
Renewsys DESERV Extreme 108X-420 BI 420 Wp 21.44% 214.4 -0.292 - 24.0 kg TOPCon Degradation not published
RSM130-8-445M 445 Wp 21.40% 214.4 -0.340 0.55% 22.5 kg PERC Space-efficient, top 5%
Shinson Technology S470N60BPV BI 470 Wp 21.78% 214.4 -0.300 0.40% 23.5 kg BIPV Typical across the board
Emmvee E465HCM120-BT 465 Wp 21.44% 214.4 -0.290 0.40% 24.0 kg TOPCon Needs more roof
Emmvee E465HCMW120-T 465 Wp 21.44% 214.4 -0.290 0.40% 24.0 kg TOPCon Needs more roof
Emmvee E465HCBG120-T BI 465 Wp 21.50% 214.4 -0.290 0.40% 26.0 kg TOPCon Needs more roof
Emmvee E465HCBT120-T BI 465 Wp 21.50% 214.4 -0.290 0.40% 24.0 kg TOPCon Needs more roof
S-Energy SL85-66BDL-665R BI 665 Wp 21.43% 214.3 -0.340 0.45% 37.9 kg PERC Slow degradation, top 19%
Solaria SPV665-TG12-132BD BI 665 Wp 21.44% 214.3 -0.300 - 38.0 kg TOPCon Degradation not published
SpolarPV SPV665-TG12-132BD BI 665 Wp 21.44% 214.3 -0.300 0.46% 38.0 kg TOPCon Fast degradation
TSM-DE19-560 560 Wp 21.40% 214.3 -0.340 0.55% 28.3 kg PERC Typical across the board
RSM110-8-560BMDG BI 560 Wp 21.40% 214.3 -0.340 0.45% 33.5 kg PERC Heavy for its class
ZXM8-TPLD110-560 560 Wp 21.43% 214.3 -0.340 0.45% 32.0 kg PERC Slow degradation, top 20%
ZXM8-TPLDD110-560 BI 560 Wp 21.43% 214.3 -0.340 0.45% 32.5 kg PERC Slow degradation, top 20%
HS560TC-MHG-D BI 560 Wp 21.40% 214.3 -0.280 0.40% 32.5 kg TOPCon Cool in heat, top 5%
JS210MHC110-560 560 Wp 21.40% 214.3 -0.340 - 28.6 kg PERC Degradation not published
ZXM8-TPLDD110-560W BI 560 Wp 21.43% 214.3 -0.340 0.45% 32.5 kg PERC Slow degradation, top 20%
JS Solar JS210MHC110-560 560 Wp 21.40% 214.3 -0.340 0.55% 28.6 kg - Fast degradation
Maxeon SPR-P7-435-BLK BI 435 Wp 21.40% 214.3 -0.290 - 24.8 kg TOPCon Degradation not published
Adani Solar ASB-M10-144-550 BI 550 Wp 21.42% 214.2 -0.340 0.45% 28.0 kg PERC Slow degradation, top 20%
Adani Solar ASM-M10-144-550 550 Wp 21.42% 214.2 -0.370 0.55% 28.0 kg PERC Weak in heat
LG LG370Q1C-V5 370 Wp 21.40% 214.2 -0.300 0.30% 17.5 kg N-type Light for its class, top 5%
Goldi Solar GS10-T108-GF-420 BI 420 Wp 21.40% 214.1 -0.300 0.40% 22.0 kg TOPCon Modest efficiency
Jshine Solar Technology JS 380~400W 120M6 HJT DG (390W class) BI 390 Wp 21.41% 214.1 -0.240 0.55% 22.8 kg HJT Fast degradation
JS390 120M6 HJT DG BI 390 Wp 21.41% 214.1 -0.240 0.55% 22.8 kg HJT Fast degradation
STP665S-D66/Wmh 665 Wp 21.40% 214.1 -0.340 0.55% 33.5 kg TOPCon Fast degradation
CS7N-665MS 665 Wp 21.40% 214.1 -0.340 0.55% 33.9 kg PERC Typical across the board
RSM132-8-665BMDG BI 665 Wp 21.40% 214.1 -0.340 0.45% 38.3 kg PERC Slow degradation, top 19%
RSM132-8-665M 665 Wp 21.40% 214.1 -0.340 0.55% 33.5 kg PERC Light for its class, top 22%
TSM-DE21-665W 665 Wp 21.40% 214.1 -0.340 0.55% 32.3 kg PERC Light for its class, top 5%
TSM-DEG21C.20-665 BI 665 Wp 21.40% 214.1 -0.340 0.45% 38.3 kg PERC Slow degradation, top 19%
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