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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
ZXM7-UHLD108-425/N BI 425 Wp 21.76% 217.6 -0.300 0.40% 24.5 kg TOPCon Heavy for its class
ZXM7-SHLDD108-425/N BI 425 Wp 21.76% 217.6 -0.350 0.40% 24.5 kg TOPCon Weak in heat
ZXM7-UHLDD108-425 BI 425 Wp 21.76% 217.6 -0.300 0.40% 24.5 kg TOPCon Heavy for its class
TS-BGT54(425) BI 425 Wp 21.80% 217.6 -0.290 0.40% 24.2 kg N-type Heavy for its class
VSUN VSUN425N-108MH 425 Wp 21.76% 217.6 -0.300 0.40% 21.4 kg TOPCon Typical across the board
HT-SAAE HT54-18X(ND)-F 425W BI 425 Wp 21.80% 217.6 -0.310 0.40% 24.0 kg TOPCon Weak in heat
TS-BBT54(425) BI 425 Wp 21.76% 217.6 -0.300 0.40% 21.5 kg TOPCon Typical across the board
EGing PV EG-425NT54-HLV 425 Wp 21.76% 217.6 -0.300 0.40% 20.2 kg TOPCon Light for its class, top 15%
Hanersun HN18N-54HB425W 425 Wp 21.76% 217.6 -0.310 0.40% 21.5 kg TOPCon Weak in heat
Hanersun HN18-54HT425W BI 425 Wp 21.76% 217.6 -0.310 0.40% 24.5 kg TOPCon Heavy for its class
Hanersun HN18-54H425W 425 Wp 21.76% 217.6 -0.310 0.40% 21.5 kg TOPCon Weak in heat
Hanersun HN18N-54HT425W BI 425 Wp 21.80% 217.6 -0.280 0.40% 24.5 kg TOPCon Cool in heat, top 4%
Hanersun HN18N-54H425W 425 Wp 21.80% 217.6 -0.280 0.40% 20.2 kg TOPCon Cool in heat, top 4%
VSUN VSUN425N-108MH-BW 425 Wp 21.76% 217.6 -0.300 0.40% 21.4 kg TOPCon Typical across the board
VSUN VSUN425N-108BMH-DG BI 425 Wp 21.76% 217.6 -0.300 0.40% 24.7 kg TOPCon Heavy for its class
VSUN VSUN425N-108BMH-DG-BB BI 425 Wp 21.76% 217.6 -0.300 0.40% 24.7 kg TOPCon Heavy for its class
Vikram Solar HYPERSOL VSMDH.54.AAA.05-425 BI 425 Wp 21.76% 217.6 -0.280 0.40% 25.1 kg N-type Cool in heat, top 2%
BYD NLK-27-425W 425 Wp 21.76% 217.6 -0.300 0.55% 20.6 kg TOPCon Fast degradation
BYD NLBK-27-425 BI 425 Wp 21.76% 217.6 -0.300 0.40% 22.9 kg TOPCon Typical across the board
BYD NLTK-27-425W BI 425 Wp 21.76% 217.6 -0.300 0.55% 20.6 kg TOPCon Fast degradation
Heliene 108HC M10 NTYP SL All Black Module (425W class) 425 Wp 21.76% 217.6 -0.300 0.40% 21.5 kg TOPCon Typical across the board
Neo Solar Power NESE 425-54THB-M10 BI 425 Wp 21.76% 217.6 -0.300 - 24.5 kg TOPCon Heavy for its class
Neo Solar Power NESE 425-54TH-M10 425 Wp 21.76% 217.6 -0.300 - 20.5 kg TOPCon Degradation not published
Luxor Solar LX-425M/182-108+GG BI 425 Wp 22.10% 217.6 -0.300 - 21.5 kg TOPCon Degradation not published
Luxor Solar LX-425M/182-108+ 425 Wp 22.10% 217.6 -0.300 0.48% 21.5 kg TOPCon Fast degradation
Luxor Solar LX - 425 M/182-108+ GG BI 425 Wp 22.10% 217.6 -0.300 0.34% 24.0 kg TOPCon Slow degradation, top 3%
Luxor Solar LX - 425 M/182-108+ 425 Wp 22.10% 217.6 -0.300 - 21.5 kg N-type Degradation not published
VSUN VSUN425N-108BMH-BB BI 425 Wp 21.76% 217.6 -0.300 0.40% 21.4 kg TOPCon Typical across the board
VSUN VSUN425N-108MH-BB BI 425 Wp 22.00% 217.6 -0.300 0.40% 21.4 kg TOPCon Typical across the board
SRP-425-BTD-HV BI 425 Wp 21.76% 217.6 -0.290 0.40% 21.0 kg TOPCon Typical across the board
SRP-425-BTD-BG BI 425 Wp 21.76% 217.6 -0.290 0.40% 24.0 kg TOPCon Heavy for its class
Solarspace SS8-54HD-425N BI 425 Wp 21.76% 217.6 -0.290 0.40% 24.0 kg N-type Heavy for its class
Solarspace SS8-54HDB-425N BI 425 Wp 21.76% 217.6 -0.290 0.40% 24.0 kg N-type Heavy for its class
Sunlike Solar SKT425M10-108D4 BI 425 Wp 21.80% 217.6 -0.290 0.40% 21.0 kg TOPCon Typical across the board
HS425TC-MHO-D BI 425 Wp 21.80% 217.6 -0.280 - 24.0 kg TOPCon Cool in heat, top 4%
Luxen Solar Energy LNVB-425N 425 Wp 21.76% 217.6 -0.290 0.40% 20.8 kg N-type Typical across the board
Resun Solar RS8V-M-425W FULL BLACK 425 Wp 21.76% 217.6 -0.250 0.40% 21.5 kg TOPCon Cool in heat, top 1%
Beny New Energy BENY425M10-108D4 BI 425 Wp 21.80% 217.6 -0.290 0.40% 21.0 kg TOPCon Typical across the board
Weran Solar WR5-54HTH-425M 425 Wp 21.80% 217.6 -0.290 0.40% 20.8 kg - Top 9% efficiency
G-STAR GSN7S54T-425BB 425 Wp 21.76% 217.6 -0.300 0.40% 22.0 kg N-type Weak in heat
Lu'an Solar JKL108-B-425NH 425 Wp 21.76% 217.6 -0.300 0.40% 22.0 kg TOPCon Typical across the board
Sonnex Energie SNX-D54HN***-M-S (425W) 425 Wp 21.80% 217.6 -0.310 0.40% 21.0 kg TOPCon Weak in heat
HS425TC-MHO 425 Wp 21.80% 217.6 -0.280 - 20.5 kg TOPCon Cool in heat, top 4%
Sonnex Energie SNX-D54HND-425M BI 425 Wp 21.76% 217.6 -0.320 0.40% 24.5 kg TOPCon Weak in heat
JS Solar JS425M108HBC 425 Wp 21.80% 217.6 -0.290 0.40% 20.8 kg PERC Top 1% efficiency
Solar N Plus SP-N16/108HG-425 BI 425 Wp 21.80% 217.6 -0.290 - 24.0 kg TOPCon Degradation not published
SunEvo Solar SE5-54HBD-425 BI 425 Wp 21.76% 217.6 -0.290 0.40% 23.5 kg TOPCon Typical across the board
Hiwatt Solar HW-M10/108G-425 425 Wp 21.27% 217.6 -0.340 0.55% 20.5 kg TOPCon Fast degradation
AmoSolar AS425M10-108BM BI 425 Wp 21.76% 217.6 -0.290 0.40% 23.5 kg TOPCon Typical across the board
JS425N108FB 425 Wp 21.76% 217.6 -0.300 - 19.0 kg TOPCon Light for its class, top 4%
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