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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
Isola New Energy YH585W-36MHD/MH BI 585 Wp 22.64% 226.4 -0.300 0.40% 31.2 kg TOPCon Typical across the board
Resun Solar RS8I-585M-DG BI 585 Wp 22.65% 226.4 -0.300 0.50% 31.5 kg TOPCon Fast degradation
SunEvo Solar SE5-72H-585 585 Wp 22.64% 226.4 -0.300 0.40% 27.5 kg TOPCon Light for its class, top 15%
Gamko New Energy GKA182N144-585 BI 585 Wp 22.64% 226.4 -0.300 0.40% 25.0 kg TOPCon Light for its class, top 1%
ZXMR-UHLD132-585 BI 585 Wp 22.64% 226.4 -0.280 0.40% 31.5 kg TOPCon Cool in heat, top 5%
Amerisolar AS-7M144N-HC-585 585 Wp 22.64% 226.4 -0.300 0.40% 27.5 kg TOPCon Light for its class, top 15%
Heliene 144HC-585 M10 NTYP SL BI 585 Wp 22.64% 226.4 -0.300 0.40% 29.2 kg N-type Weak in heat
Philadelphia Solar PS-MNG144(HCBF)-585W BI 585 Wp 22.60% 226.4 -0.290 0.40% 32.5 kg N-type Heavy for its class
Resun Solar RS8I-M-DG-585 BI 585 Wp 22.65% 226.4 -0.300 0.50% 31.5 kg TOPCon Fast degradation
LEDVANCE M490N60LB-BF-F7 BI 490 Wp 22.63% 226.3 -0.290 0.40% 25.5 kg TOPCon Typical across the board
Huayao HY490-N120BDD BI 490 Wp 22.63% 226.3 -0.300 0.40% 26.9 kg TOPCon Heavy for its class
HT-SAAE HT60-18X(N)-490W 490 Wp 22.60% 226.3 -0.310 0.40% 23.0 kg TOPCon Weak in heat
Leapton LP182*182-M-60-NB-490W BI 490 Wp 22.63% 226.3 -0.300 0.40% 26.0 kg TOPCon Weak in heat
Solarspace SS8-60HD-490N BI 490 Wp 22.63% 226.3 -0.290 0.40% 25.0 kg N-type Typical across the board
HS490TC-MHO 490 Wp 22.60% 226.3 -0.280 - 23.0 kg TOPCon Degradation not published
HS490TC-MHO-D BI 490 Wp 22.60% 226.3 -0.280 - 25.5 kg TOPCon Degradation not published
Techwise Solar TW-500HTS-06-490 490 Wp 21.68% 226.3 -0.290 - 23.8 kg TOPCon Modest efficiency
SEG-490-BTB-BG BI 490 Wp 22.63% 226.3 -0.300 0.34% 27.3 kg N-type Slow degradation, top 2%
HT-SAAE HT60-18X(N)-490 490 Wp 22.60% 226.3 -0.310 0.40% 23.0 kg TOPCon Weak in heat
LEDVANCE M490N60LB-BF BI 490 Wp 22.63% 226.3 -0.290 0.40% 25.5 kg TOPCon Typical across the board
Gamko New Energy GKA182N120-490 BI 490 Wp 22.63% 226.3 -0.300 0.40% 21.0 kg TOPCon Light for its class, top 2%
Maxeon SPR-MAX3-400-COM 400 Wp 22.60% 226.3 -0.270 0.25% 19.0 kg Back Contact Slow degradation, top 9%
Sunpro Power SPDG490-N120M10 490 Wp 22.62% 226.2 -0.300 0.40% 26.0 kg TOPCon Weak in heat
Einnova Solarline ESM-490T 490 Wp 22.62% 226.2 -0.310 0.40% 24.0 kg TOPCon Weak in heat
SunEvo Solar SE5-60H-490 490 Wp 22.62% 226.2 -0.300 0.40% 23.0 kg TOPCon Weak in heat
Techwise Solar TW-490HTS-06 490 Wp 22.62% 226.2 -0.290 0.40% 23.3 kg TOPCon Light for its class, top 25%
Hanersun HN18N-60H490W 490 Wp 22.60% 226.2 -0.280 0.40% 21.6 kg TOPCon Light for its class, top 4%
Hanersun HN18N-60HT490W BI 490 Wp 22.60% 226.2 -0.280 0.40% 26.5 kg TOPCon Cool in heat, top 12%
Luxen Solar Energy LNVK-490N 490 Wp 22.62% 226.2 -0.290 0.40% 22.8 kg N-type Typical across the board
Luxen Solar Energy LNVK-490ND BI 490 Wp 22.62% 226.2 -0.290 0.40% 26.0 kg N-type Typical across the board
Vikram Solar HYPERSOL VSMDH.78.630.05 BI 630 Wp 22.62% 226.2 -0.300 0.40% 35.0 kg TOPCon Heavy for its class
CS7L-640TB-AG BI 640 Wp 22.60% 226.1 -0.290 0.40% 34.5 kg TOPCon Typical across the board
TSM-NEG20C.20-640 BI 640 Wp 22.60% 226.1 -0.290 0.40% 34.9 kg TOPCon Heavy for its class
Huayao HY640-N120CDD BI 640 Wp 22.61% 226.1 -0.300 0.40% 35.6 kg TOPCon Heavy for its class
YL640CF60 f/2 BI 640 Wp 22.60% 226.1 -0.290 0.40% 34.6 kg TOPCon Typical across the board
Talesun TM8G60M/640W BI 640 Wp 22.60% 226.1 -0.290 0.40% 34.9 kg TOPCon Heavy for its class
Hanersun HN21N-60H640W 640 Wp 22.60% 226.1 -0.280 0.40% 31.4 kg TOPCon Cool in heat, top 7%
BYD HSBK-30-640 BI 640 Wp 22.61% 226.1 -0.260 0.40% 35.3 kg HJT Fast degradation
Q-SUN Solar QN-640HJT-01 BI 640 Wp 22.60% 226.1 -0.240 0.40% 35.5 kg N-type Cool in heat, top 1%
Solarspace SS9-60HD-640N BI 640 Wp 22.58% 226.1 -0.290 0.40% 34.5 kg N-type Typical across the board
HY SOLAR HY-NT12/60H-640 BI 640 Wp 22.60% 226.1 -0.290 0.40% 30.6 kg TOPCon Light for its class, top 14%
HY SOLAR HY-NT12/60GDF-640 BI 640 Wp 22.60% 226.1 -0.290 0.40% 34.9 kg TOPCon Heavy for its class
SunEvo Solar SE6-60HBD-640 BI 640 Wp 22.61% 226.1 -0.260 0.38% 35.3 kg HJT Weak in heat
NS-640MH-120 640 Wp 22.61% 226.1 -0.290 - 31.0 kg N-type Degradation not published
LF640M12N-60H/BF BI 640 Wp 22.61% 226.1 -0.290 0.40% 34.0 kg N-type Typical across the board
MY Solar MS640N-HJTGB BI 640 Wp 22.61% 226.1 -0.260 0.25% 35.2 kg HJT Slow degradation, top 12%
AUSTA ENERGY ODA640-30V-MHD BI 640 Wp 22.62% 226.1 -0.290 0.40% 34.5 kg TOPCon Typical across the board
PolyCrown Solar Tech NS-640MH-120 640 Wp 22.61% 226.1 -0.290 0.42% 31.0 kg N-type Fast degradation
GL Solar 3SHBGH-C#-640 BI 640 Wp 22.60% 226.1 -0.260 0.40% 36.0 kg HJT Fast degradation
Hanersun HN21N-60HT640W BI 640 Wp 22.60% 226.1 -0.280 0.40% 35.5 kg TOPCon Cool in heat, top 7%
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