@misc{W2509613771,
  author = {Stefan Pfenninger and Iain Staffell},
  title = {Long-term patterns of European PV output using 30 years of validated hourly reanalysis and satellite data},
  year = {2016},
  howpublished = {Energy},
  doi = {https://doi.org/10.1016/j.energy.2016.08.060}
}