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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
DAH Solar DHN-66Z16/DG(BW)-585 BI 585 Wp 21.66% 216.6 -0.290 0.40% 32.5 kg TOPCon Needs more roof
Emmvee E515HCMW132-T 515 Wp 21.66% 216.6 -0.290 0.40% 25.0 kg TOPCon Modest efficiency
Emmvee E515HCM132-BT 515 Wp 21.66% 216.6 -0.290 0.40% 25.0 kg TOPCon Modest efficiency
Panasonic EVPV420HK2 420 Wp 21.70% 216.5 -0.240 0.25% 21.6 kg HJT Slow degradation, top 21%
REC REC420AA PURE 2 BI 420 Wp 21.60% 216.5 -0.240 0.25% 21.7 kg HJT Modest efficiency
Heliene 156HC-605 M10 NTYP SL BIFACIAL MODULE BI 605 Wp 21.65% 216.5 -0.300 0.40% 31.0 kg TOPCon Needs more roof
Shinson Technology S430M44SBB 430 Wp 21.70% 216.5 -0.340 0.50% 20.8 kg PERC Space-efficient, top 1%
SunEvo Solar SE6-44SC-430W 430 Wp 21.70% 216.5 -0.340 0.55% 20.8 kg - Light for its class, top 5%
SunEvo Solar SE6-44SC-430 430 Wp 21.70% 216.5 -0.340 0.55% 20.8 kg - Light for its class, top 5%
Leapton LP182*182-M-60-NH-480W 480 Wp 21.65% 216.5 -0.300 0.40% 23.5 kg N-type Weak in heat
Selfa SV120M.3.4-480 480 Wp 21.70% 216.5 -0.300 0.31% 23.5 kg N-type Slow degradation, top 1%
TSM-420NEG9.28 420 Wp 21.70% 216.5 -0.300 0.40% 21.5 kg N-type Weak in heat
GH405M10RT-G48HSW-LC 405 Wp 21.65% 216.5 -0.290 0.40% 19.4 kg N-type Light for its class, top 18%
JAM78S30-605/MR 605 Wp 21.60% 216.4 -0.350 0.55% 30.5 kg PERC Space-efficient, top 14%
JAM78D30-605/MB/1500V BI 605 Wp 21.60% 216.4 -0.350 0.45% 33.4 kg PERC Space-efficient, top 14%
STP605S-C78/Pmh+ BI 605 Wp 21.60% 216.4 -0.340 0.45% 35.1 kg TOPCon Weak in heat
ZXM7-UH156-605 605 Wp 21.64% 216.4 -0.300 0.50% 30.0 kg TOPCon Needs more roof
Ulica Solar AU605-39V-MH 605 Wp 21.64% 216.4 -0.300 - 30.7 kg TOPCon Needs more roof
JAM78D40-605/GB/1500V BI 605 Wp 21.60% 216.4 -0.300 0.40% 33.4 kg N-type Modest efficiency
JKM605N-78HL4-BDV BI 605 Wp 21.64% 216.4 -0.300 - 34.6 kg N-type Needs more roof
JAM78D40-605/MB/1500V BI 605 Wp 21.60% 216.4 -0.300 0.40% 34.6 kg N-type Modest efficiency
SEG-605-BMZ-BG BI 605 Wp 21.64% 216.4 -0.350 0.45% 34.0 kg PERC Top 13% efficiency
AUSTA ENERGY AU605-39V-MH 605 Wp 21.64% 216.4 -0.300 0.40% 30.7 kg PERC Slow degradation, top 1%
SRP-605-BMZ-HV 605 Wp 21.64% 216.4 -0.340 0.55% 29.5 kg PERC Light for its class, top 4%
SRP-605-BMZ-BG BI 605 Wp 21.64% 216.4 -0.340 0.45% 34.6 kg PERC Top 13% efficiency
Resun Solar RS8L-M-DG-605 BI 605 Wp 21.64% 216.4 -0.300 0.50% 32.9 kg TOPCon Needs more roof
Hounen Solar HNM7-SHLDD156-605/M BI 605 Wp 21.64% 216.4 -0.350 - 34.5 kg - Heavy for its class
Axitec AC-580TGB/144TB-ALP BI 580 Wp 21.63% 216.3 -0.310 0.40% 43.0 kg TOPCon Heavy for its class
HS565TC-MHG-D BI 565 Wp 21.60% 216.2 -0.280 0.40% 32.5 kg TOPCon Cool in heat, top 4%
RSM110-8-565BHDG BI 565 Wp 21.60% 216.2 -0.240 0.30% 34.5 kg HJT Modest efficiency
Panasonic EVPV400H 400 Wp 21.60% 216.2 -0.260 0.25% 20.5 kg HJT Modest efficiency
Panasonic EVPV400HK 400 Wp 21.60% 216.2 -0.260 0.25% 20.5 kg HJT Modest efficiency
Lexron 430W 430 Wp 21.62% 216.2 -0.350 0.45% 22.0 kg PERC Space-efficient, top 2%
HS515TC-MHG-D BI 515 Wp 21.60% 216.1 -0.280 0.40% 28.0 kg TOPCon Modest efficiency
REC REC450AA PURE-RX BI 450 Wp 21.60% 216.1 -0.240 0.25% 22.7 kg HJT Needs more roof
REC REC450AA Pure-RX BI 450 Wp 21.60% 216.1 -0.240 0.25% 22.7 kg HJT Needs more roof
TEB-NEDA4ND.45-395W 395 Wp 21.60% 216.1 -0.290 0.40% 41.0 kg TOPCon Space-efficient, top 1%
TEB-NEDA4ND.45-395 395 Wp 21.60% 216.1 -0.290 0.40% 41.0 kg TOPCon Space-efficient, top 1%
LG LG430QAC-A6 430 Wp 21.60% 216.1 -0.290 0.25% 20.5 kg N-type Slow degradation, top 1%
Solaria SPV670-TG12-132BD BI 670 Wp 21.59% 215.9 -0.300 - 38.0 kg TOPCon Degradation not published
SpolarPV SPV670-TG12-132BD BI 670 Wp 21.59% 215.9 -0.300 0.46% 38.0 kg TOPCon Fast degradation
RSM40-8-415M 415 Wp 21.60% 215.9 -0.340 0.55% 22.0 kg PERC Space-efficient, top 2%
Just Solar JST425M(132) 425 Wp 21.60% 215.9 -0.290 0.65% 21.0 kg Back Contact Fast degradation
TSM-NEG18R.28-480 480 Wp 21.60% 215.8 -0.290 0.40% 23.5 kg TOPCon Needs more roof
TSM-NEG18R.28-480W 480 Wp 21.60% 215.8 -0.290 0.40% 23.5 kg TOPCon Needs more roof
MY Solar MS465NC-HJTPBFT BI 465 Wp 21.40% 215.8 -0.260 - 23.0 kg HJT Modest efficiency
MY Solar MS465NC-HJPBFT BI 465 Wp 21.40% 215.8 -0.260 0.25% 23.0 kg HJT Modest efficiency
AE465CMD-120BDS BI 465 Wp 21.58% 215.8 -0.290 0.40% 25.5 kg TOPCon Needs more roof
DAH Solar DHN-54Z20/DG(BW)-480 BI 480 Wp 21.57% 215.7 -0.290 0.40% 26.6 kg TOPCon Needs more roof
DAH Solar DHN-54Z16/DG-480W BI 480 Wp 21.57% 215.7 -0.290 - 26.6 kg TOPCon Needs more roof
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