Solar Panels

Brand neutral for a reason.

At YES, we believe in choices. That’s why we are a technology neutral company and offer panels from 4 top solar manufacturers, each with decades of solar experience. Every YES client gets a customized solution. We avoid the “off the rack” approach.

Why go name brand?

The solar industry is rapidly expanding and new manufacturers pop up all the time. Their financial performance and product reliability are unproven. Therefore, so is their warranty. If they fail, a lost warranty will negate all solar savings.

That’s why the brands we represent have been in business for decades, are solar pioneers, and will be there to stand behind their product.

YES only represents quality products from bankable companies:

SunPower LogoLG LogoSolarWorld LogoMitsubishi Logo
Click for detailed information about the solar panels we offer.

Solar Panels

Brand Headquarters STC DC Rating* 25 Year Output** Warranty
SunPower*** USA 327, 335, 345 or 360 watts 93% 25 Years
LG*** South Korea 300, 315 or 320 watts 89% 25 Years
SolarWorld*** USA 285 or 290 watts 90% 25 Years
Mitsubishi Japan 265 or 275 watts 89% 25 Years

* Each panel is factory-tested. Its tested output is its STC DC rating.
** As they age, solar panels have a slow linear degradation.
*** Premium, all-black option available.

So which panel is “best”?

Higher Efficiency ≠ Better Quality

The manufactures we represent offer exceptional and reliable solar panels. In terms of reliability, no panel we offer is “better” than any other. For efficiency, let your roof be your guide. If you have limited roof space, you’ll likely need the high-efficiency of SunPower or LG panels. If you have plenty of roof space, we recommend saving money on the system by purchasing Mitsubishi solar panels.

For example, a system sized around 6.2 kilowatts DC can be comprised of:

  • 18 SunPower 345-watt panels
  • 20 LG 320-watt panels
  • 22 SolarWorld 285-watt panels
  • 23 Mitsubishi 275-watt panels

All 4 options will give you around the same “real world” production. Each will produce the same amount of electricity per year.

23 Mitsubishi or 18 SunPower Panels

Same real world production. Only difference is roof space.

Mitsubishi vs Sunpower - 23 vs 18 Solar Panels

Pricing

SunPower is the most efficient panel and has the highest cost per watt while Mitsubishi has the lowest. LG and SolarWorld are between the two. If roof space isn’t an issue, the best choice is Mitsubishi. However, if you have limited roof space and want to maximize production, SunPower or LG are ideal.

Turning on the Solar

Solar panels output power in direct current (DC), but homes, businesses, and the grid are wired in alternating current (AC). The inverter’s function is to covert DC power into AC. Learn about the inverters we offer.



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