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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 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 13,378 panels
Model Power Efficiency Wp/m² Temp Degr. Weight Tech. Standout
DAH Solar DHN-66Z16/DG(BW)-620 BI 620 Wp 22.95% 229.5 -0.290 0.40% 32.5 kg TOPCon Typical across the board
SunEvo Solar SE6R-66HBD-620 BI 620 Wp 22.95% 229.5 -0.300 0.40% 33.5 kg TOPCon Weak in heat
Techwise Solar TW-625HTS-02-620 620 Wp 22.95% 229.5 -0.290 0.40% 28.4 kg TOPCon Light for its class, top 6%
Techwise Solar TW-620HT-02 BI 620 Wp 22.95% 229.5 -0.300 0.40% 32.5 kg TOPCon Weak in heat
Solar-Fabrik S4-DG620-132TMax BI 620 Wp 22.95% 229.5 -0.300 - 33.6 kg TOPCon Degradation not published
RedSolar M10R-620TR BI 620 Wp 22.95% 229.5 -0.300 0.40% 32.5 kg TOPCon Weak in heat
RedSolar CETC-620TR(GDF)/132 BI 620 Wp 23.00% 229.5 -0.290 0.40% 32.5 kg TOPCon Typical across the board
Loom Solar SHARK620 BI 620 Wp 23.00% 229.5 -0.390 0.50% 33.0 kg TOPCon Weak in heat
Hanersun HN19RN-72HT620W BI 620 Wp 23.00% 229.5 -0.280 0.40% 33.5 kg TOPCon Cool in heat, top 7%
Hanersun HN21RN-66HT620W BI 620 Wp 23.00% 229.5 -0.280 0.40% 32.5 kg TOPCon Cool in heat, top 7%
TSM-NE19R-620 620 Wp 23.00% 229.5 -0.290 0.40% 27.9 kg TOPCon Light for its class, top 4%
GCL-NT12R/66GDF-620 BI 620 Wp 22.95% 229.5 -0.290 0.40% 32.5 kg TOPCon Typical across the board
TSM-NEG19RC.70-620 BI 620 Wp 23.00% 229.5 -0.290 0.40% 33.0 kg TOPCon Typical across the board
Hanersun HN21RN-66H620W 620 Wp 23.00% 229.5 -0.280 0.40% 27.0 kg TOPCon Light for its class, top 1%
JKM620N-66HL4M-BDV-F6-EU BI 620 Wp 22.95% 229.5 -0.290 0.40% 32.4 kg TOPCon Typical across the board
Luxen Solar Energy LNDT-620N 620 Wp 22.95% 229.5 -0.290 0.40% 28.8 kg N-type Light for its class, top 12%
Luxen Solar Energy LNDT-620ND BI 620 Wp 22.95% 229.5 -0.290 0.40% 33.8 kg N-type Typical across the board
Resun Solar RS8H-M-BD-620W 620 Wp 22.95% 229.5 -0.290 0.50% 29.1 kg TOPCon Fast degradation
Resun Solar RS8I620M TOPCON 620 Wp 22.95% 229.5 -0.290 0.50% 29.1 kg TOPCon Fast degradation
Resun Solar RS8H-M-620 620 Wp 22.95% 229.5 -0.290 0.50% 29.1 kg TOPCon Fast degradation
Jetion JT620SLt(B) BI 620 Wp 23.00% 229.5 -0.290 0.40% 32.3 kg TOPCon Typical across the board
Emmvee E620HCBG132-T12R BI 620 Wp 22.95% 229.5 -0.290 0.40% 34.0 kg TOPCon Heavy for its class
G-STAR GSD8R66T-620WT BI 620 Wp 22.95% 229.5 -0.300 0.40% 33.0 kg TOPCon Weak in heat
BiN-21-620 BI 620 Wp 22.95% 229.5 -0.300 0.40% 33.8 kg TOPCon Weak in heat
Avaada AVN66G12RG-620 BI 620 Wp 23.00% 229.5 -0.300 0.40% 34.0 kg TOPCon Weak in heat
GH545M10T-B66HST-C BI 545 Wp 22.95% 229.5 -0.290 - 30.0 kg TOPCon Degradation not published
GH545M10T-B66HSW-C BI 545 Wp 22.95% 229.5 -0.290 0.40% 30.0 kg N-type Heavy for its class
Einnova Solarline ESM-545T 545 Wp 22.95% 229.5 -0.310 0.40% 25.0 kg TOPCon Weak in heat
Techwise Solar TW-545HT-06 BI 545 Wp 22.95% 229.5 -0.300 0.40% 29.2 kg TOPCon Weak in heat
Techwise Solar TW-545HTS-06 545 Wp 22.95% 229.5 -0.290 0.40% 25.2 kg TOPCon Light for its class, top 14%
Gamko New Energy GKA182N132-545W BI 545 Wp 22.95% 229.5 -0.300 0.40% 23.0 kg TOPCon Lightest in its segment
615M 615 Wp 22.90% 229.5 -0.280 0.40% 31.0 kg - Top 17% efficiency
LGi7-72HTD-615M 615 Wp 22.90% 229.5 -0.280 0.40% 31.0 kg - Top 17% efficiency
Jolywood JW-HD108N-R2-510 BI 510 Wp 22.90% 229.5 -0.280 0.40% 27.3 kg TOPCon Cool in heat, top 10%
LEDVANCE M500-520H54RB-BF-510 BI 510 Wp 22.90% 229.5 -0.240 0.30% 27.4 kg HJT Typical across the board
Huasun HSN-210R-B108DS510 BI 510 Wp 22.90% 229.5 -0.240 0.30% 27.1 kg HJT Typical across the board
Huasun HSN-210R-S108DSB510 510 Wp 22.90% 229.5 -0.240 0.30% 27.1 kg HJT Typical across the board
Huasun HSN-210R-B108DSB510 BI 510 Wp 22.90% 229.5 -0.240 0.30% 27.1 kg HJT Typical across the board
Huasun HSN-210R-B108DSN510 BI 510 Wp 22.90% 229.5 -0.240 0.30% 27.1 kg HJT Typical across the board
HT-SAAE HT54-18X(N)-510W 510 Wp 22.90% 229.5 -0.310 0.40% 23.5 kg TOPCon Weak in heat
Sunpro Power SPDG510-N108R12 BI 510 Wp 22.95% 229.5 -0.300 0.40% 26.6 kg TOPCon Weak in heat
Huasun RS510S8R-108GANT BI 510 Wp 22.95% 229.5 -0.310 0.40% 30.0 kg TOPCon Heavy for its class
HiT-H510LF-FB(ZB) BI 510 Wp 22.90% 229.5 -0.240 0.30% 27.1 kg HJT Typical across the board
Gamko New Energy GKA108N-PRO-510W BI 510 Wp 22.95% 229.5 -0.300 - 25.0 kg TOPCon Degradation not published
HS510TC-MHC-D BI 510 Wp 22.90% 229.5 -0.280 - 27.0 kg TOPCon Degradation not published
Luxor Solar LX-510M/182R-108+ GG BI 510 Wp 23.24% 229.5 -0.290 0.34% 27.6 kg TOPCon Slow degradation, top 2%
Gamko New Energy GKA108N-510W BI 510 Wp 22.95% 229.5 -0.300 0.40% 25.0 kg TOPCon Weak in heat
Gamko New Energy GKA108N-PRO-510 BI 510 Wp 22.95% 229.5 -0.300 0.40% 25.0 kg TOPCon Weak in heat
Renewsys DESERV EXTREME 156X-640 BI 640 Wp 22.94% 229.4 -0.292 - 34.5 kg TOPCon Degradation not published
Jetion JT440SYK(B) BI 440 Wp 22.90% 229.4 -0.240 0.30% 23.0 kg HJT Space-efficient, top 1%
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