Footnotes from the diagram:
2. #1 rank in Fraunhofer PV Durability Initiative for Solar Modules: Part 2“. Photovoltaics International, 2014. Campeau, Z. et al. „SunPower Module Degradation Rate,“SunPower white paper, 2013.
3. Based on search of datasheet values from websites of top 10 manufacturers per IHS, as of January 2017.
4. SunPower Helix DT 0.91 ground coverage is highest for any dual tilt product on the market. Highest energy density is achieved when mounting system is paired with high efficiency SunPower 327W panels.
5. Cable cones and trays are designed for a 25-year life. Cable clips are made from stainless steel and are also designed and tested for a 25-year life.