Positive Power Tolerance Solar Panels

Many solar panel manufacturers use a plus minus tolerance normally shown in the panel specifications.

Positive power tolerance solar panels.

For example if a 220w panel has a power tolerance of 10 10 the panel could have an actual max power of anywhere between 198 and 242w. Many solar panel manufacturers use a plus minus tolerance normally shown in the panel specifications. For example a 255 watt panel may be tested as low as 250 watts but still sold as a 255 watt panel. Lg is quality focused solar panel manufacturer using a positive tolerance only grading system for their solar panels.

The importance of positive only tolerance. 3 power tolerance this is the range within which a panel manufacturer is saying the module can deviate from its specified stc max power. As the technology behind solar panels continues to advance it s becoming more common for panels to have a 0 or 0w negative power tolerance. Power tolerance is a measure of how much electrical power a solar panel can produce above or below its rated capacity at any time.

For example a 255 watt panel may be tested as low as 250 watts but still sold as a 255 watt panel. Does that sound unfair.