SunPower® X-Series Solar Panels
Unmatched Performance, Reliability and Aesthetics

Our top-of-the-line solar panels give homeowners more energy.  They deliver the highest efficiency available in a residential solar panel today, at a record-breaking 21.5%.1 That means homeowners get more electricity, more flexibility, more peace of mind, and lower electricity bills.
 

 
Advantages
 

  • Most energy from less space: SunPower X-Series solar panels deliver 44% more power per panel.2  Which means you can create more power in smaller spaces, with fewer panels.  And, you can position them on the sunniest parts of your roof.
  • Most electricity: Simply put, SunPower X-Series panels produce more electricity than conventional panels. They convert more sunlight to electricity, producing 75% more energy per square foot over the first 25 years.3,4
  • Most flexibility: Because X-Series residential solar panels generate more electricity from a smaller area, you can expand energy production simply by using additional roof space to add more panels later.
  • Most peace of mind: More guaranteed power. SunPower offers the best combined power and product warranty over 25 years. And because they’re built on a solid copper foundation, SunPower solar cells deliver unmatched reliability over the lifetime of your solar energy system.6,7
  • Most beautiful: X-Series panels are offered in SunPower® Signature™ Black, designed to blend harmoniously into your roof. Built using all-black solar cells and anti-reflective glass to reduce glare, the premium aesthetics can accommodate a variety of architectural styles.
     
SunPower X21 - 335 and X21 - 345 Residential Solar Panels (PDF)
 
Contact us to learn how the new SunPower® X-Series solar panels help you maximise your rooftop.
 
 
 

 
  1. Higher than E-Series, which is highest of all 2600 panels listed in Photon Int’l, Feb 2012.
  2. All comparisons are SPR-X21-345 vs. a representative conventional panel: 240W, approx. 1.6 m², 15% efficiency.
  3. Typically 8-10% more energy per watt, BEW/DNV Engineering “SunPower Yield Report,” Jan 2013, with CFV Solar Test Lab Report #12063, Jan 2013 temp. coef. calculation
  4. SunPower 0.25%/yr degradation vs. 1.0%/yr conv. panel. Campeau, Z. et al. “SunPower Module Degradation Rate,” SunPower white paper, Feb 2013; Jordan, Dirk “SunPower Test Report,” NREL, Oct 2012.
  5. Compared with the top 15 manufacturers. SunPower Warranty Review, Feb 2013.
  6. SunPower 0.25%/yr degradation vs. 1.0%/yr conv. panel. Campeau, Z. et al. “SunPower Module Degradation Rate,” SunPower white paper, Feb 2013; Jordan, Dirk “SunPower Test Report,” NREL, Oct 2012.
  7. “SunPower Module 40-Year Useful Life” SunPower white paper, Feb 2013. Useful life is 99 out of 100 panels operating at more than 70% of rated power.

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