Green roofs and photovoltaic panels are complementary technologies that improve each other’s performance. The PV functions more efficiently thanks to the cooler ambient temperatures above the green roof, and the green roof benefits from the areas of shade. Read more about the synergistic relationship between green roofs and solar panels here:
Appl, R. and W. Ansel. 2004. Future oriented and sustainable green roofs in Germany. In: Proceedings from the 2nd annual Greening Rooftops for Sustainable Communities conference, awards and trade show. Portland. OR. Green Roofs for Healthy Cities.
Koehler, M. et al. 2002. Photovoltaic panels on greened roofs: Positive interaction between two elements of sustainable architecture. In: Proceedings from Rio 02-World Climate & Energy Event.