Switzerland
Umbrella clause
Arbitrary, unreasonable and/or discriminatory measures
Arbitrary, unreasonable and/or discriminatory measures
http://globalarbitrationreview.com/article/1149766/spain-hit-with-another-solar-claim (requires subscription)
https://www.iareporter.com/articles/renewable-energy-arbitration-against-spain-concludes-with-damages-award (requires subscription)