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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
JAM54D40-435/GB BI 435 Wp 22.30% 222.8 -0.300 0.40% 21.5 kg TOPCon Top 17% efficiency
JAM54S41-435/GR/1500V 435 Wp 22.30% 222.8 -0.300 0.40% 21.5 kg N-type Space-efficient, top 17%
JAM54S40-435/GR/1500V 435 Wp 22.30% 222.8 -0.300 0.40% 21.5 kg N-type Space-efficient, top 17%
CS6R-435H-AG BI 435 Wp 22.30% 222.8 -0.260 0.35% 23.0 kg HJT Weak in heat
AIKO-A435-MAH54Mb 435 Wp 22.30% 222.8 -0.260 0.35% 20.5 kg Back Contact Cool in heat, top 9%
JKM435N-54HL4-B 435 Wp 22.28% 222.8 -0.290 0.40% 21.0 kg TOPCon Space-efficient, top 17%
DM435M10T-B54HBT-U BI 435 Wp 22.30% 222.8 -0.290 0.40% 23.6 kg TOPCon Top 17% efficiency
CS6R-435T 435 Wp 22.30% 222.8 -0.290 0.40% 21.3 kg TOPCon Top 17% efficiency
CHSM54N(BL)-HC / CHSM54N(BLH)-HC (435W class) 435 Wp 22.30% 222.8 -0.290 0.40% 21.3 kg TOPCon Top 17% efficiency
CHSM54N-HC-435 435 Wp 22.30% 222.8 -0.290 0.40% 21.3 kg N-type Space-efficient, top 17%
CHSM54N-HC-435W 435 Wp 22.30% 222.8 -0.290 0.40% 21.3 kg TOPCon Top 17% efficiency
CHSM54N(BL)-HC 435W 435 Wp 22.30% 222.8 -0.290 0.40% 21.3 kg TOPCon Top 17% efficiency
LR5-54HTH-435M 435 Wp 22.30% 222.8 -0.290 0.40% 20.8 kg - Light for its class, top 3%
LR5-54HTDB-435M 435 Wp 22.30% 222.8 -0.290 0.40% 22.5 kg - Space-efficient, top 3%
Q-SUN Solar QNN182-HG435-54 BI 435 Wp 22.28% 222.8 -0.290 0.40% 24.0 kg TOPCon Space-efficient, top 17%
PS435M8GF-18/VNH BI 435 Wp 22.28% 222.8 -0.290 0.40% 21.0 kg TOPCon Space-efficient, top 17%
PS435M8GFH-18/VNH BI 435 Wp 22.28% 222.8 -0.290 0.40% 24.0 kg TOPCon Space-efficient, top 17%
LR5-54HTB-435M 435 Wp 22.30% 222.8 -0.290 0.40% 20.8 kg - Light for its class, top 3%
STP435S-C54/Nshm 435 Wp 22.30% 222.8 -0.290 0.40% 21.0 kg TOPCon Top 17% efficiency
STP435S-C54/Nshtb+ BI 435 Wp 22.28% 222.8 -0.300 0.40% 21.5 kg TOPCon Space-efficient, top 17%
STP435S-C54/Nshkm+ 435 Wp 22.30% 222.8 -0.290 0.40% 21.0 kg TOPCon Top 17% efficiency
STP435S-C54/Nshb 435 Wp 22.30% 222.8 -0.290 0.40% 21.0 kg TOPCon Top 17% efficiency
Runergy HY-DH108N8B-435 BI 435 Wp 22.30% 222.8 -0.290 0.40% 24.2 kg N-type Space-efficient, top 17%
Runergy HY-DH108N8-435 BI 435 Wp 22.30% 222.8 -0.290 0.40% 24.2 kg N-type Space-efficient, top 17%
Talesun TM7G54M/435W BI 435 Wp 22.30% 222.8 -0.290 0.40% 24.5 kg TOPCon Top 17% efficiency
Huayao HY425-N108BDD BI 435 Wp 22.27% 222.8 -0.300 0.40% 23.5 kg TOPCon Space-efficient, top 17%
YL435CF54 e/2 BI 435 Wp 22.30% 222.8 -0.290 0.40% 20.3 kg TOPCon Light for its class, top 8%
ZXM7-UH108-435/N 435 Wp 22.28% 222.8 -0.300 0.50% 20.5 kg TOPCon Fast degradation
ZXM7-SHLD108-435/N BI 435 Wp 22.28% 222.8 -0.300 0.40% 24.5 kg TOPCon Space-efficient, top 17%
ZXM7-UHLD108-435/N BI 435 Wp 22.28% 222.8 -0.300 0.40% 24.5 kg TOPCon Space-efficient, top 17%
ZXM7-SHLDD108-435/N BI 435 Wp 22.28% 222.8 -0.350 0.40% 24.5 kg TOPCon Weak in heat
ZXM7-UHLDD108-435 BI 435 Wp 22.28% 222.8 -0.300 0.40% 24.5 kg TOPCon Space-efficient, top 17%
TS-BGT54(435) BI 435 Wp 22.30% 222.8 -0.300 0.40% 24.2 kg N-type Space-efficient, top 17%
HT-SAAE HT54-18X(ND)-F 435W BI 435 Wp 22.30% 222.8 -0.310 0.40% 24.0 kg TOPCon Weak in heat
TS-BBT54(435) BI 435 Wp 22.30% 222.8 -0.290 0.40% 20.5 kg N-type Light for its class, top 10%
HT-SAAE HT54-18X(N)-435W 435 Wp 22.30% 222.8 -0.310 0.40% 21.0 kg TOPCon Weak in heat
DAH Solar DHN-54X16/DG-435W BI 435 Wp 22.28% 222.8 -0.290 - 23.5 kg TOPCon Degradation not published
Hanersun HN18N-54HB435W 435 Wp 22.28% 222.8 -0.310 0.40% 21.5 kg TOPCon Weak in heat
Hanersun HN18N-54HT435W BI 435 Wp 22.30% 222.8 -0.280 0.40% 24.5 kg TOPCon Cool in heat, top 4%
Hanersun HN18-54H435W 435 Wp 22.27% 222.8 -0.310 0.40% 21.5 kg TOPCon Weak in heat
Hanersun HN18-54HT435W BI 435 Wp 22.27% 222.8 -0.310 0.40% 24.5 kg TOPCon Weak in heat
Hanersun HN18N-54H435W 435 Wp 22.30% 222.8 -0.280 0.40% 20.2 kg TOPCon Cool in heat, top 4%
VSUN VSUN435N-108MH 435 Wp 22.28% 222.8 -0.300 0.40% 21.4 kg TOPCon Space-efficient, top 17%
Vikram Solar HYPERSOL VSMDH.54.AAA.05-435 BI 435 Wp 22.28% 222.8 -0.280 0.40% 25.1 kg N-type Cool in heat, top 2%
Heliene 108HC M10 NTYP SL All Black Module (435W class) 435 Wp 22.27% 222.8 -0.300 0.40% 21.5 kg TOPCon Space-efficient, top 17%
BYD NLBK-27-435 BI 435 Wp 22.28% 222.8 -0.300 0.40% 22.9 kg TOPCon Space-efficient, top 17%
BYD NLTK-27-435W BI 435 Wp 22.28% 222.8 -0.300 0.55% 20.6 kg TOPCon Fast degradation
BYD NLK-27-435W 435 Wp 22.28% 222.8 -0.300 0.55% 20.6 kg TOPCon Fast degradation
Sunpro Power SPDG435-N108M10 435 Wp 22.28% 222.8 -0.300 0.40% 23.3 kg TOPCon Space-efficient, top 17%
Neo Solar Power NESE 435-54THB-M10 BI 435 Wp 22.28% 222.8 -0.300 - 24.5 kg TOPCon Degradation not published
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