https://www.iareporter.com/articles/another-danish-renewables-firm-initiates-ect-arbitration-against-spain/ (requires subscription)
https://globalarbitrationreview.com/article/1178503/what-you-missed-at-icsid (requires subscription)
https://globalarbitrationreview.com/article/1178464/italy-suffers-first-loss-in-solar-claim (requires subscription)
https://www.energychartertreaty.org/details/article/european-solar-farms-as-v-spain-icsid-case-no-arb1845/
https://cincodias.elpais.com/cincodias/2018/12/25/companias/1545766444_434082.html