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Panels with the longest warranty

Ranked by performance warranty length - the guarantee on output, which is the longer of the two terms and the one that is usually meant by "25 years". 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
HIE-S445HG 445 Wp 21.40% 213.8 -0.340 0.55% 21.8 kg PERC Space-efficient, top 6%
Axitec AC-550MBT/144V BI 550 Wp 21.29% 212.9 -0.350 0.50% 28.5 kg PERC Typical across the board
Axitec AC-555MBT/144V BI 555 Wp 21.48% 214.8 -0.350 0.50% 28.5 kg PERC Space-efficient, top 20%
RSM130-8-430M 430 Wp 20.70% 207.1 -0.340 0.55% 22.5 kg PERC Cool in heat, top 24%
Mission Solar MSE400HT0B 400 Wp 20.50% 204.5 -0.343 0.55% 19.0 kg PERC Light for its class, top 5%
STP430S-C54/Umh 430 Wp 22.00% 219.9 -0.320 0.40% 22.1 kg TOPCon Weak in heat
STP425S-C54/Umh 425 Wp 21.70% 217.4 -0.320 0.40% 22.1 kg TOPCon Weak in heat
STP420S-C54/Umh 420 Wp 21.50% 214.8 -0.320 0.40% 22.1 kg TOPCon Weak in heat
STP415S-C54/Umh 415 Wp 21.20% 212.3 -0.320 0.40% 22.1 kg TOPCon Weak in heat
Luxor Solar LX - 395M/182-108+ 395 Wp 20.54% 202.3 -0.360 0.50% 21.5 kg - Slow degradation, top 18%
Heckert Solar NEMO® 3.0 120 M 375Wp 375 Wp 19.80% 197.6 -0.343 - 20.5 kg PERC Degradation not published
Heckert Solar NEMO® 3.0 120 M 380Wp 380 Wp 20.00% 200.3 -0.343 - 20.5 kg PERC Degradation not published
Heckert Solar NEMO® 3.0 120 M 385Wp 385 Wp 20.20% 202.9 -0.343 - 20.5 kg PERC Degradation not published
Heckert Solar NEMO® 2.0 60 M 325Wp 325 Wp 19.40% 193.5 -0.380 - 18.3 kg PERC Degradation not published
Heckert Solar NEMO® 2.0 60 M 330Wp 330 Wp 19.60% 196.4 -0.380 - 18.3 kg PERC Degradation not published
Heckert Solar NEMO® 2.0 60 M 335Wp 335 Wp 19.90% 199.4 -0.380 - 18.3 kg PERC Light for its class, top 5%
Heckert Solar NEMO® 4.280 M BLACK FRAME 395Wp 397 Wp 20.30% 203.8 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NEMO® 4.280 M BLACK FRAME 400Wp 403 Wp 20.50% 206.9 -0.340 - 21.0 kg PERC Degradation not published
Heckert Solar NEMO® 4.280 M BLACK FRAME 405Wp 408 Wp 20.80% 209.5 -0.340 - 21.0 kg PERC Degradation not published
First Solar FS-7510A-FT1 510 Wp 18.30% 182.4 -0.320 0.30% 36.8 kg CdTe Modest efficiency
First Solar FS-7515A-FT1 515 Wp 18.40% 184.1 -0.320 0.30% 36.8 kg CdTe Modest efficiency
First Solar FS-7520A-FT1 520 Wp 18.60% 185.9 -0.320 0.30% 36.8 kg CdTe Modest efficiency
First Solar FS-7535A-FT1 535 Wp 19.10% 191.3 -0.320 0.30% 36.8 kg CdTe Needs more roof
First Solar FS-7550A-FT1 550 Wp 19.70% 196.7 -0.320 0.30% 36.8 kg CdTe Modest efficiency
RSM120-8-590M 590 Wp 20.80% 208.5 -0.340 0.55% 30.0 kg PERC Modest efficiency
RSM120-8-595M 595 Wp 21.00% 210.2 -0.340 0.55% 30.0 kg PERC Typical across the board
RSM120-8-600M 600 Wp 21.20% 212.0 -0.340 0.55% 30.0 kg PERC Light for its class, top 16%
RSM120-8-605M 605 Wp 21.40% 213.8 -0.340 0.55% 30.0 kg PERC Light for its class, top 13%
RSM120-8-610M 610 Wp 21.60% 215.5 -0.340 0.55% 30.0 kg PERC Light for its class, top 9%
RSM120-8-615M 615 Wp 21.70% 217.3 -0.340 0.55% 30.0 kg PERC Light for its class, top 5%
ECODELTA ECO-410M-60SB 410 Wp 20.90% 209.2 -0.340 - 21.0 kg TOPCon Modest efficiency
ECODELTA ECO-415M-60SB 415 Wp 21.20% 211.8 -0.340 - 21.0 kg PERC Degradation not published
ECODELTA ECO-395M-60SB 395 Wp 20.20% 201.6 -0.340 - 21.0 kg PERC Degradation not published
ECODELTA ECO-400M-60SB 400 Wp 20.40% 204.1 -0.340 - 21.0 kg PERC Degradation not published
ECODELTA ECO-405M-60SB 405 Wp 20.70% 206.7 -0.340 - 21.0 kg PERC Degradation not published
HIE-S390VG 390 Wp 19.90% 199.0 -0.340 0.55% 22.0 kg PERC Cool in heat, top 15%
HIE-S395VG 395 Wp 20.20% 201.6 -0.340 0.55% 22.0 kg PERC Cool in heat, top 15%
HIE-S400VG 400 Wp 20.40% 204.1 -0.340 0.55% 22.0 kg PERC Cool in heat, top 24%
HIE-S405VG 405 Wp 20.70% 206.7 -0.340 0.55% 22.0 kg PERC Cool in heat, top 24%
HIE-S410VG 410 Wp 20.90% 209.2 -0.340 0.55% 22.0 kg PERC Cool in heat, top 24%
Luxor Solar LX - 400M/182-108+ 400 Wp 20.79% 204.8 -0.360 0.50% 21.5 kg - Weak in heat
Luxor Solar LX - 405M/182-108+ 405 Wp 21.05% 207.4 -0.360 0.50% 21.5 kg - Weak in heat
Luxor Solar LX - 410M/182-108+ 410 Wp 21.30% 210.0 -0.360 0.50% 21.5 kg - Weak in heat
ET Solar ET-M772BH535WW/WB 535 Wp 20.70% 207.0 -0.340 0.55% 28.0 kg PERC Cool in heat, top 23%
ET Solar ET-M772BH540WW/WB 540 Wp 20.90% 208.9 -0.340 0.55% 28.0 kg PERC Cool in heat, top 23%
ET Solar ET-M772BH545WW/WB 545 Wp 21.10% 210.9 -0.340 0.55% 28.0 kg PERC Top 20% efficiency
ET Solar ET-M772BH550WW/WB 550 Wp 21.30% 212.8 -0.340 0.55% 28.0 kg PERC Typical across the board
ET Solar ET-M772BH555WW/WB 555 Wp 21.40% 214.8 -0.340 0.55% 28.0 kg PERC Typical across the board
ECODELTA ECO-545M-72LHC 545 Wp 21.12% 211.2 -0.350 - 27.3 kg PERC Degradation not published
RSM130-8-435M 435 Wp 21.00% 209.6 -0.340 0.55% 22.5 kg PERC Top 24% efficiency
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