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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
G-STAR GSD8R48T-450BT BI 450 Wp 22.52% 225.2 -0.300 0.40% 25.0 kg TOPCon Heavy for its class
Heckert Solar APOLLON 2.0-450 BI 450 Wp 22.50% 225.2 -0.290 0.45% 23.5 kg TOPCon Fast degradation
Hanersun HN21RN-48HT450W BI 450 Wp 22.50% 225.2 -0.280 0.40% 24.1 kg TOPCon Cool in heat, top 11%
PVolution PVN450-R12TCBB BI 450 Wp 22.52% 225.2 -0.300 0.40% 23.8 kg TOPCon Weak in heat
PVolution PVN450-M12TCBB BI 450 Wp 22.52% 225.2 -0.290 0.40% 23.0 kg HJT Weak in heat
Maxeon SPR-MAX6-435 435 Wp 22.50% 225.2 -0.290 0.25% 20.9 kg Back Contact Slow degradation, top 9%
AE CMER-108BDE-500W BI 500 Wp 22.52% 225.2 -0.290 - 27.5 kg TOPCon Degradation not published
AE CMER-108BDS 500W BI 500 Wp 22.52% 225.2 -0.290 - 27.5 kg TOPCon Degradation not published
AE CMER-500-108BDE BI 500 Wp 22.52% 225.2 -0.290 0.40% 27.5 kg TOPCon Heavy for its class
AE CMER-108BDS-500 BI 500 Wp 22.52% 225.2 -0.290 0.40% 27.5 kg TOPCon Heavy for its class
CMER-108BDE-500W BI 500 Wp 22.52% 225.2 -0.290 0.40% 27.5 kg TOPCon Heavy for its class
CMER-108BDE-I-500 BI 500 Wp 22.52% 225.2 -0.290 0.40% 33.5 kg TOPCon Heavy for its class
CMER-108BDS-I-500 BI 500 Wp 22.52% 225.2 -0.290 0.40% 33.5 kg TOPCon Heavy for its class
CMER-108BDS-500W BI 500 Wp 22.52% 225.2 -0.290 0.40% 27.5 kg TOPCon Heavy for its class
Gamko New Energy GKA210N108-575W BI 575 Wp 22.51% 225.1 -0.340 0.46% 25.5 kg TOPCon Light for its class, top 2%
PolyCrown Solar Tech NS-440MH-108 440 Wp 22.50% 225.1 -0.290 0.42% 19.5 kg N-type Light for its class, top 4%
SpolarPV SPV485-TM10-120 485 Wp 22.51% 225.1 -0.300 0.46% 23.5 kg TOPCon Fast degradation
CMD-120-485 485 Wp 22.51% 225.1 -0.290 0.40% 22.5 kg TOPCon Light for its class, top 16%
AE CMD-120BDS-485 BI 485 Wp 22.51% 225.1 -0.290 0.40% 25.5 kg TOPCon Typical across the board
CMD-120BDS-I 485W BI 485 Wp 22.51% 225.1 -0.290 0.40% 32.0 kg TOPCon Heavy for its class
AE CMD-120-485 485 Wp 22.51% 225.1 -0.290 0.40% 22.5 kg TOPCon Light for its class, top 16%
AE CMD-120BDS-I 485 BI 485 Wp 22.51% 225.1 -0.290 0.40% 32.0 kg TOPCon Heavy for its class
CMD-120BDS-485W BI 485 Wp 22.51% 225.1 -0.290 0.40% 25.5 kg TOPCon Typical across the board
AE485CMD-120BDS BI 485 Wp 22.51% 225.1 -0.290 0.40% 25.5 kg TOPCon Typical across the board
Jetion JT575SJk(B) BI 575 Wp 22.50% 225.0 -0.240 0.30% 30.7 kg HJT Light for its class, top 20%
HS475TC-MHD-D BI 475 Wp 22.50% 225.0 -0.280 0.40% 26.0 kg N-type Heavy for its class
Jolywood JW-HD108N-R2-500 BI 500 Wp 22.50% 225.0 -0.280 0.40% 27.3 kg TOPCon Cool in heat, top 10%
LEDVANCE M500-520H54RB-BF-500 BI 500 Wp 22.50% 225.0 -0.240 0.30% 27.4 kg HJT Heavy for its class
Huasun HSN-210R-B108DSN500 BI 500 Wp 22.50% 225.0 -0.240 0.30% 27.1 kg HJT Modest efficiency
Huasun HSN-210R-B108DS500 BI 500 Wp 22.50% 225.0 -0.240 0.30% 27.1 kg HJT Modest efficiency
Huasun HSN-210R-B108DSB500 BI 500 Wp 22.50% 225.0 -0.240 0.30% 27.1 kg HJT Modest efficiency
HT-SAAE HT54-18X(N)-500W 500 Wp 22.50% 225.0 -0.310 0.40% 23.5 kg TOPCon Weak in heat
Sunpro Power SPDG500-N108R12 BI 500 Wp 22.50% 225.0 -0.300 0.40% 26.6 kg TOPCon Weak in heat
Huasun RS500S8R-108GANT BI 500 Wp 22.50% 225.0 -0.310 0.40% 30.0 kg TOPCon Heavy for its class
HiT-H500LF-FB(ZB) BI 500 Wp 22.50% 225.0 -0.240 0.30% 27.1 kg HJT Modest efficiency
HS500TC-MHC-D BI 500 Wp 22.40% 225.0 -0.280 - 27.0 kg TOPCon Cool in heat, top 10%
Luxor Solar LX-500M/182R-108+ GG BI 500 Wp 22.79% 225.0 -0.290 0.34% 27.6 kg TOPCon Slow degradation, top 2%
Maxeon SPR-P7-550-COM-S BI 550 Wp 22.50% 225.0 -0.290 0.40% 30.3 kg TOPCon Typical across the board
PVolution PVN500-R12TCBB BI 500 Wp 22.50% 225.0 -0.300 0.40% 26.6 kg TOPCon Weak in heat
Resun Solar RS9V-M-DG-575 BI 575 Wp 22.49% 224.9 -0.300 0.50% 31.2 kg TOPCon Fast degradation
JAM72D40-595/LB BI 595 Wp 22.50% 224.9 -0.290 0.40% 32.5 kg TOPCon Typical across the board
JAM72S40-595/LR 595 Wp 22.50% 224.9 -0.290 0.40% 24.3 kg TOPCon Lightest in its segment
HS595TC-MHA 595 Wp 22.50% 224.9 -0.280 0.40% 27.0 kg N-type Light for its class, top 9%
HS595TC-MHA-D BI 595 Wp 22.50% 224.9 -0.280 0.40% 32.5 kg N-type Cool in heat, top 9%
TSM-NEG18RC.27-500 BI 500 Wp 22.50% 224.8 -0.290 0.40% 23.5 kg TOPCon Light for its class, top 20%
TSM-NEG18R.20-500 500 Wp 22.50% 224.8 -0.290 0.40% 23.5 kg TOPCon Light for its class, top 20%
TSM-NEG18R.28-500 500 Wp 22.50% 224.8 -0.290 0.40% 23.5 kg TOPCon Light for its class, top 20%
RSM108-11-490-515BNDG-500 BI 500 Wp 22.50% 224.8 -0.290 0.40% 27.0 kg TOPCon Heavy for its class
TWMNH-54HD500 BI 500 Wp 22.50% 224.8 -0.280 0.40% 26.5 kg N-type Cool in heat, top 23%
RSM108-11-500BNDG BI 500 Wp 22.50% 224.8 -0.290 0.40% 27.0 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