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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
HS490TC-MHA 490 Wp 22.20% 221.0 -0.280 0.40% 21.5 kg N-type Light for its class, top 4%
HS490TC-MHA-D BI 490 Wp 22.20% 221.0 -0.280 0.40% 26.0 kg TOPCon Cool in heat, top 12%
Resun Solar RS9V-M-DG-565 BI 565 Wp 22.10% 221.0 -0.300 0.50% 31.2 kg TOPCon Fast degradation
Renewsys DESERV Extreme 144X-570 BI 570 Wp 22.09% 220.9 -0.292 - 31.5 kg TOPCon Degradation not published
Philadelphia Solar PS-MN144(HCBF)-570W BI 570 Wp 22.07% 220.9 -0.300 0.40% 29.0 kg N-type Weak in heat
Just Solar JST435M(132) 435 Wp 22.10% 220.9 -0.290 0.65% 21.0 kg Back Contact Fast degradation
REC REC460AA PURE-RX BI 460 Wp 22.10% 220.9 -0.240 0.25% 22.7 kg HJT Slow degradation, top 13%
REC REC460AA Pure-RX BI 460 Wp 22.10% 220.9 -0.240 0.25% 22.7 kg HJT Slow degradation, top 13%
Talesun TM3G54M/495W BI 495 Wp 22.10% 220.9 -0.290 0.40% 28.1 kg TOPCon Heavy for its class
Maxeon SPR-P7-540-COM-S BI 540 Wp 22.10% 220.9 -0.290 0.40% 30.3 kg TOPCon Heavy for its class
Solar N Plus SP-N16/108H-430 430 Wp 22.10% 220.8 -0.350 - 10.8 kg TOPCon Lightest in its segment
Solar N Plus SP-N16/108H-430W 430 Wp 22.10% 220.8 -0.350 - 10.8 kg TOPCon Lightest in its segment
Solar N Plus SP-N16/108H430 430 Wp 22.10% 220.8 -0.350 0.40% 10.8 kg N-type Light for its class, top 2%
Solar N Plus SP-N16/108H430W 430 Wp 22.10% 220.8 -0.350 0.40% 10.8 kg N-type Light for its class, top 2%
Adani Solar ASB-M10-144-570 BI 570 Wp 22.10% 220.8 -0.320 0.40% 31.3 kg TOPCon Weak in heat
Silfab SIL-570 XM+ BIFACIAL BI 570 Wp 22.10% 220.8 -0.290 - 28.5 kg N-type Degradation not published
S-Energy SL65-72TDP-570R BI 570 Wp 22.08% 220.8 -0.300 0.40% 32.0 kg TOPCon Heavy for its class
CMD-144BDS-570 BI 570 Wp 22.08% 220.8 -0.290 0.40% 31.0 kg TOPCon Typical across the board
SpolarPV SPV570-TM10-144 570 Wp 22.08% 220.8 -0.300 0.45% 26.5 kg TOPCon Fast degradation
AE CMD-144BDS-570 BI 570 Wp 22.08% 220.8 -0.290 0.40% 31.0 kg TOPCon Typical across the board
Silfab SIL-570 XM+ BI 570 Wp 22.10% 220.8 -0.290 0.30% 28.5 kg N-type Slow degradation, top 1%
CS7L-625TB-AG BI 625 Wp 22.10% 220.8 -0.290 0.40% 34.5 kg TOPCon Needs more roof
TSM-NEG20C.20-625 BI 625 Wp 22.10% 220.8 -0.290 0.40% 34.9 kg TOPCon Heavy for its class
Talesun TM8G60M/625W BI 625 Wp 22.10% 220.8 -0.290 0.40% 34.9 kg TOPCon Heavy for its class
Hanersun HN21N-60H625W 625 Wp 22.10% 220.8 -0.280 0.40% 31.4 kg TOPCon Cool in heat, top 7%
Hanersun HN21-60H625W 625 Wp 22.08% 220.8 -0.310 0.40% 31.4 kg TOPCon Weak in heat
Hanersun HN21-60HT625W BI 625 Wp 22.08% 220.8 -0.310 0.40% 35.5 kg TOPCon Heavy for its class
BYD HSBK-30-625 BI 625 Wp 22.08% 220.8 -0.260 0.40% 35.3 kg HJT Fast degradation
Solarspace SS9-60HD-625N BI 625 Wp 22.08% 220.8 -0.290 0.40% 34.5 kg N-type Modest efficiency
SunEvo Solar SE6-60HBD-625 BI 625 Wp 22.08% 220.8 -0.260 0.38% 35.3 kg HJT Modest efficiency
MY Solar MS625N-HJTGB BI 625 Wp 22.08% 220.8 -0.260 0.25% 35.2 kg HJT Slow degradation, top 12%
AUSTA ENERGY ODA625-30V-MHD BI 625 Wp 22.09% 220.8 -0.290 0.40% 34.5 kg TOPCon Needs more roof
GL Solar 3SHBGH-C#-625 BI 625 Wp 22.10% 220.8 -0.260 0.40% 36.0 kg HJT Fast degradation
Hanersun HN21N-60HT625W BI 625 Wp 22.10% 220.8 -0.280 0.40% 35.5 kg TOPCon Heavy for its class
Luxen Solar Energy LNEK-625ND BI 625 Wp 22.08% 220.8 -0.300 0.40% 35.0 kg N-type Modest efficiency
Luxen Solar Energy LNEK-625N 625 Wp 22.08% 220.8 -0.290 0.40% 31.0 kg N-type Modest efficiency
Resun Solar RS9K-M-DG-625 BI 625 Wp 22.08% 220.8 -0.300 0.50% 34.5 kg TOPCon Fast degradation
Resun Solar RS9K625M 625 Wp 22.08% 220.8 -0.300 0.50% 30.9 kg - Typical across the board
Vikram Solar HYPERSOL VSMDH.78.615.05 BI 615 Wp 22.08% 220.8 -0.300 0.40% 35.0 kg TOPCon Heavy for its class
Tata Power Solar TP615LG10B BI 615 Wp 22.08% 220.8 -0.370 0.60% 36.0 kg PERC Weak in heat
Solitek SOLID Satin 445W BI 445 Wp 22.07% 220.8 -0.300 0.31% 33.0 kg TOPCon Slow degradation, top 1%
SpolarPV SPV685-TG12-132BD BI 685 Wp 22.08% 220.8 -0.300 0.46% 38.0 kg TOPCon Fast degradation
Emmvee E525HCMW132-T 525 Wp 22.08% 220.8 -0.290 0.40% 25.0 kg TOPCon Modest efficiency
Emmvee E525HCM132-BT 525 Wp 22.08% 220.8 -0.290 0.40% 25.0 kg TOPCon Modest efficiency
Renewsys DESERV Extreme 108X-490 BI 490 Wp 22.08% 220.8 -0.300 - 25.0 kg TOPCon Degradation not published
KDM Kingdom Solar KD-M570-144-N 570 Wp 22.07% 220.7 -0.290 0.40% 28.0 kg N-type Modest efficiency
Kingdom KD-M570-144-N 570 Wp 22.07% 220.7 -0.290 0.40% 28.0 kg N-type Modest efficiency
Emmvee ES70HCMW144-T BI 570 Wp 22.07% 220.7 -0.290 0.40% 32.0 kg TOPCon Heavy for its class
Solitek SOLID Bifacial Full black 435 BI 435 Wp 22.07% 220.7 -0.300 0.31% 32.0 kg TOPCon Slow degradation, top 1%
AE CMER-108BDE-490W BI 490 Wp 22.07% 220.7 -0.290 - 27.5 kg TOPCon 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