More of what you want from the sun

As the largest and most experienced solar manufacturer in the USA, SolarWorld's Sunmodule solar panels are designed and manufactured to the highest standards of quality, performance and durability.

Linear warranty: long-term performance

SolarWorld's linear warranty guarantees maximum performance from you solar panels.Because SolarWorld produces the highest quality, we can guarantee the best performance. That's why SolarWorld is the first solar company to offer a 25-year linear performance guarantee.

According to our guarantee, the actual power of a new module cannot deviate from the specified rated power by more than 3% during the first year; and afterward, the power will not decrease by more than 0.7 percent of the rated power per year. So at year 10, the Sunmodule's capacity is guaranteed to be at least 90% of the nameplate as opposed to the industry standard guarantee of 80%. 

Plus sorting: get all the watts you pay for

SolarWorld's unique plus-sorting method ensures that our customers receive the watts they pay for from their solar panels.With plus sorting, SolarWorld only delivers modules that are factory-tested to meet or exceed their name plate power rating. By delivering actual power, plus-sorting ensures that systems operate at top efficiency which results in maximum energy yield year after year.

Sunmodule solar panels are also independently tested to strict international standards for safety, durability and performance.