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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 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 13,378 panels
Model Power Efficiency Wp/m² Temp Degr. Weight Tech. Standout
Reliance New Energy RNE720AA-66-BGG BI 720 Wp 23.10% 231.2 -0.240 0.30% 38.3 kg HJT Typical across the board
Renewsys DESERV EXTREME 156X-645 BI 645 Wp 23.12% 231.2 -0.292 - 34.5 kg TOPCon Degradation not published
Techwise Solar TW-500HT-06 BI 500 Wp 22.26% 231.1 -0.300 0.40% 23.0 kg TOPCon Light for its class, top 11%
Sun Earth DXM8-60H 500W 500 Wp 23.10% 231.1 -0.290 - 22.5 kg - Top 2% efficiency
Sun Earth DXM8-60HBG 500W BI 500 Wp 23.10% 231.1 -0.290 0.40% 26.5 kg TOPCon Space-efficient, top 22%
Q.TRON XL-G2.3 / BFG 645 BI 645 Wp 23.10% 231.0 -0.290 0.33% 35.4 kg N-type Slow degradation, top 2%
Huayao HY500-N120BDD BI 500 Wp 23.09% 231.0 -0.300 0.40% 26.9 kg TOPCon Weak in heat
HT-SAAE HT60-18X(N)-500W 500 Wp 23.10% 231.0 -0.310 0.40% 23.0 kg TOPCon Weak in heat
Gamko New Energy GKA182N120S BI 500 Wp 23.10% 231.0 -0.300 - 21.0 kg TOPCon Lightest in its segment
Techwise Solar TW-500HTS-06-500 500 Wp 22.12% 231.0 -0.290 - 23.8 kg TOPCon Degradation not published
HT-SAAE HT60-18X(N)-500 500 Wp 23.10% 231.0 -0.310 0.40% 23.0 kg TOPCon Weak in heat
Gamko New Energy GKA182N120-500 BI 500 Wp 23.10% 231.0 -0.300 0.40% 21.0 kg TOPCon Lightest in its segment
Jetion JT590SJk(B) BI 590 Wp 23.10% 230.9 -0.240 0.30% 30.7 kg HJT Top 2% efficiency
Bisol BGO 570 570 Wp 23.10% 230.9 -0.290 0.31% 26.0 kg TOPCon Slow degradation, top 1%
AIKO-A460-MAH54Db 460 Wp 23.10% 230.9 -0.260 0.35% 24.5 kg Back Contact Heavy for its class
AIKO-A460-MAH54Mw 460 Wp 23.10% 230.9 -0.260 0.35% 21.5 kg Back Contact Modest efficiency
TCL Zhonghuan HSM-BD54-WA460 460 Wp 23.10% 230.9 -0.260 0.35% 21.5 kg Back Contact Modest efficiency
TCL Zhonghuan HSM-BD54-LA460 460 Wp 23.10% 230.9 -0.260 0.35% 21.5 kg Back Contact Modest efficiency
Gokin GK-5-54HG-460M 460 Wp 23.10% 230.9 -0.260 0.35% 21.0 kg Back Contact Modest efficiency
Gokin GK-5-54HGb-460M 460 Wp 23.10% 230.9 -0.260 0.35% 21.0 kg Back Contact Modest efficiency
Sunpro Power SPDG500-N120M10 BI 500 Wp 23.08% 230.8 -0.300 0.40% 26.0 kg TOPCon Weak in heat
Einnova Solarline ESM-500T 500 Wp 23.08% 230.8 -0.310 0.40% 24.0 kg TOPCon Weak in heat
Techwise Solar TW-500HTS-06 500 Wp 23.08% 230.8 -0.290 0.40% 23.3 kg TOPCon Light for its class, top 17%
Philadelphia Solar PS-MNB156(HCBF)-645W BI 645 Wp 23.08% 230.8 -0.290 0.40% 32.5 kg N-type Typical across the board
Heliene 156HC-645 M10 NTYP SL BI 645 Wp 23.08% 230.8 -0.300 0.40% 31.0 kg N-type Weak in heat
JAM60D42-540/LB BI 540 Wp 23.10% 230.8 -0.290 0.40% 28.8 kg TOPCon Top 23% efficiency
Resun Solar RS9V-M-DG-590 BI 590 Wp 23.08% 230.8 -0.300 0.50% 31.2 kg TOPCon Space-efficient, top 3%
HS570TC-MHC-D BI 570 Wp 23.10% 230.8 -0.280 - 30.5 kg TOPCon Top 2% efficiency
HS560TC-MHA-D BI 560 Wp 23.10% 230.8 -0.280 0.40% 29.5 kg N-type Top 3% efficiency
HS560TC-MHA 560 Wp 23.10% 230.8 -0.280 0.40% 24.5 kg N-type Light for its class, top 3%
JAM72S42-645/LR 645 Wp 23.10% 230.7 -0.290 0.40% 29.6 kg TOPCon Light for its class, top 6%
JAM72D42-645/LB BI 645 Wp 23.10% 230.7 -0.290 0.40% 34.6 kg TOPCon Typical across the board
DM645M10T-B78HSW BI 645 Wp 23.10% 230.7 -0.290 0.40% 33.5 kg TOPCon Typical across the board
DAS Solar DAS-DH156NA-645W BI 645 Wp 23.10% 230.7 -0.300 0.40% 34.3 kg TOPCon Weak in heat
CHSM78N(DG)/F-BH-645 BI 645 Wp 23.10% 230.7 -0.290 0.40% 34.7 kg TOPCon Typical across the board
CHSM78N(DG)/F-BH 645W BI 645 Wp 23.10% 230.7 -0.290 0.40% 34.7 kg TOPCon Typical across the board
GCL-NT10/78GDF-645 BI 645 Wp 23.07% 230.7 -0.290 0.40% 33.6 kg TOPCon Typical across the board
JKM625-650N-78HL4-BDV (645W) BI 645 Wp 23.07% 230.7 -0.290 0.40% 34.0 kg TOPCon Typical across the board
Jolywood JW-HD156N-R0-645 BI 645 Wp 23.10% 230.7 -0.280 0.40% 34.5 kg TOPCon Cool in heat, top 7%
JKM645N-78HL4-BDV-F9-EU BI 645 Wp 23.07% 230.7 -0.290 0.40% 34.0 kg TOPCon Typical across the board
Runergy HY-DH156N8-645 BI 645 Wp 23.10% 230.7 -0.290 0.40% 33.9 kg N-type Typical across the board
Huayao HY645-N156BDD BI 645 Wp 23.07% 230.7 -0.300 0.40% 33.5 kg TOPCon Weak in heat
YL645CF78 e/2 BI 645 Wp 23.10% 230.7 -0.290 0.40% 34.5 kg TOPCon Typical across the board
BYD NLBK-39 645 BI 645 Wp 23.07% 230.7 -0.300 0.40% 34.0 kg TOPCon Weak in heat
Einnova Solarline ESM-645T 645 Wp 23.07% 230.7 -0.360 0.40% 31.0 kg TOPCon Weak in heat
HY SOLAR HY-NT10/78GDF-645 BI 645 Wp 23.10% 230.7 -0.290 0.40% 34.7 kg TOPCon Typical across the board
Ulica Solar TSM156-9-645BNDG BI 645 Wp 23.10% 230.7 -0.290 0.40% 33.5 kg TOPCon Typical across the board
LF645M10N-78H/BF BI 645 Wp 23.07% 230.7 -0.290 0.40% 34.0 kg TOPCon Typical across the board
Solar N Plus SP-N16/156HG-645W BI 645 Wp 23.10% 230.7 -0.290 - 34.0 kg TOPCon Degradation not published
HS645TC-MHD-D BI 645 Wp 23.10% 230.7 -0.280 0.40% 34.5 kg N-type Cool in heat, top 14%
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