https://globalarbitrationreview.com/article/1172045/spain-faces-solar-claim-from-japanese-company (requires subscription)
https://www.iareporter.com/articles/spain-faces-two-more-energy-charter-treaty-claims-at-stockholm-chamber-of-commerce-and-icsid/ (requires subscription)
https://www.iareporter.com/articles/ect-tribunal-rules-on-damages-in-dispute-between-spain-and-japanese-renewable-energy-investor/ (requires subscription)