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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
AE MD-108-400 400 Wp 20.51% 205.1 -0.350 0.55% 20.3 kg PERC Typical across the board
AE MD-108BD 400W BI 400 Wp 20.51% 205.1 -0.350 0.55% 23.5 kg PERC Heavy for its class
AE MD-108BS 400 BI 400 Wp 20.51% 205.1 -0.350 0.55% 20.3 kg PERC Typical across the board
Philadelphia Solar PS-M108(HC)-400W 400 Wp 20.50% 205.1 -0.300 0.55% 20.5 kg PERC Cool in heat, top 3%
Philadelphia Solar PS-M108(HCBF)-400W BI 400 Wp 20.50% 205.1 -0.350 0.50% 20.5 kg PERC Slow degradation, top 22%
MD-108-400 400 Wp 20.51% 205.1 -0.350 - 20.3 kg PERC Degradation not published
MD-108BD-400 BI 400 Wp 20.51% 205.1 -0.350 0.55% 23.5 kg PERC Heavy for its class
MD-108E-400 400 Wp 20.51% 205.1 -0.350 0.55% 20.3 kg PERC Typical across the board
RSM156-6-445M 445 Wp 20.50% 205.1 -0.370 0.55% 25.5 kg PERC Weak in heat
Emmvee E445HCM120-B 445 Wp 20.51% 205.1 -0.350 0.55% 24.0 kg PERC Typical across the board
Emmvee E445HCBT120 BI 445 Wp 20.51% 205.1 -0.350 0.55% 24.0 kg PERC Typical across the board
Emmvee E445HCMW120 445 Wp 20.51% 205.1 -0.350 0.55% 24.0 kg PERC Typical across the board
Emmvee E445HCBG120 BI 445 Wp 20.51% 205.1 -0.350 0.45% 26.0 kg PERC Slow degradation, top 9%
Bruk-Bet PEM.TB-405 405 Wp 20.51% 205.1 -0.324 - 21.5 kg PERC Cool in heat, top 7%
Bruk-Bet PEM.BB-405 405 Wp 20.51% 205.1 -0.324 - 21.5 kg PERC Cool in heat, top 7%
Q-SUN Solar QNM182-HG530-72 BI 530 Wp 20.50% 205.1 -0.310 0.45% 31.4 kg PERC Cool in heat, top 2%
ZXM7-SHLD144-530W 530 Wp 20.51% 205.1 -0.350 0.45% 31.5 kg PERC Needs more roof
ZXM7-EH144-530W 530 Wp 20.51% 205.1 -0.350 0.55% 28.0 kg PERC Needs more roof
ZXM7-SHLDD144-530 BI 530 Wp 20.51% 205.1 -0.350 0.45% 31.5 kg PERC Needs more roof
Heliene 144HC-530 M10 SL BIFACIAL BI 530 Wp 20.50% 205.1 -0.340 0.50% 29.2 kg PERC Modest efficiency
Emmvee E400HCM108-B 400 Wp 20.51% 205.1 -0.350 0.55% 20.0 kg PERC Light for its class, top 17%
Emmvee E400HCBG108 BI 400 Wp 20.51% 205.1 -0.350 0.45% 22.0 kg PERC Slow degradation, top 9%
Emmvee E400HCBT108 BI 400 Wp 20.51% 205.1 -0.350 0.55% 20.0 kg PERC Light for its class, top 17%
Emmvee E400HCMW108 400 Wp 20.51% 205.1 -0.350 0.55% 20.0 kg PERC Light for its class, top 17%
Premier Energies PE 530HM 530 Wp 20.51% 205.1 -0.350 0.55% 29.0 kg PERC Needs more roof
AmoSolar AS530M10-144 530 Wp 20.51% 205.1 -0.350 0.55% 28.6 kg PERC Needs more roof
Centro Energy CE-530HM 530 Wp 20.50% 205.1 -0.350 0.45% 27.2 kg PERC Modest efficiency
Gamko New Energy GKA182M144-530W BI 530 Wp 20.51% 205.1 -0.360 - 25.0 kg PERC Light for its class, top 3%
Techwise Solar TW-530HT 530 Wp 20.51% 205.1 -0.350 - 27.0 kg PERC Degradation not published
Sunlike Solar LNVU-530M 530 Wp 20.51% 205.1 -0.360 0.53% 27.5 kg PERC Weak in heat
JS182MHC144-530 530 Wp 20.51% 205.1 -0.350 - 26.5 kg PERC Degradation not published
VDS Renewable VDS-S144/M10H-530 530 Wp 20.50% 205.1 -0.340 0.55% 29.0 kg PERC Modest efficiency
AmoSolar AS530M10-144B BI 530 Wp 20.50% 205.1 -0.340 0.45% 32.1 kg PERC Heavy for its class
RL530HM 530 Wp 20.70% 205.1 -0.470 - 27.0 kg PERC Weak in heat
M530M-144 530 Wp 20.50% 205.1 -0.360 0.55% 29.0 kg PERC Weak in heat
Hiwatt Solar HW-M10/144H-530 530 Wp 20.50% 205.1 -0.340 0.55% 28.6 kg PERC Modest efficiency
Just Solar JST-EBMH-530W-D 530 Wp 20.70% 205.1 -0.360 0.59% 29.0 kg TOPCon Fast degradation
SOMI SP530M-72HB 530 Wp 20.50% 205.1 -0.350 0.55% 28.6 kg PERC Modest efficiency
ET Solar ET-M772BH530TW/TB BI 530 Wp 20.50% 205.1 -0.340 0.45% 28.0 kg PERC Modest efficiency
Exiom EX530MB-144BF BI 530 Wp 20.50% 205.1 -0.350 0.60% 32.5 kg PERC Fast degradation
AUSTA ENERGY ODA530-36V-MH 530 Wp 20.50% 205.1 -0.350 0.40% 28.4 kg PERC Slow degradation, top 2%
ZXM7-EH144-530 530 Wp 20.51% 205.1 -0.350 0.55% 28.0 kg PERC Needs more roof
JS Solar JS182MHC144-530 530 Wp 20.51% 205.1 -0.350 0.55% 26.5 kg - Modest efficiency
Rarlon PV Tech RL530HM 530 Wp 20.70% 205.1 -0.470 0.73% 27.0 kg PERC Fast degradation
ZXM7-SHLD144-530 530 Wp 20.51% 205.1 -0.350 0.45% 31.5 kg PERC Needs more roof
Gamko New Energy GKA182M144-530 BI 530 Wp 20.51% 205.1 -0.360 0.46% 25.0 kg PERC Light for its class, top 3%
Amerisolar AS-7M144-HC-530 530 Wp 20.51% 205.1 -0.360 - 29.0 kg PERC Weak in heat
REC REC405TP5 Black 405 Wp 20.60% 205.1 -0.340 0.50% 21.6 kg - Typical across the board
Shinson Technology S345M60P1B 345 Wp 20.68% 205.0 -0.340 0.50% 17.8 kg PERC Lightest in its segment
S-Energy SL65-60MAJ-445Z 445 Wp 20.50% 205.0 -0.350 0.55% 24.0 kg PERC Typical across the board
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