https://www.iareporter.com/articles/enel-owned-energy-company-initiates-arbitration-proceedings-under-italy-panama-bit/ (requires subscription)
https://globalarbitrationreview.com/article/1188993/enel-brings-icsid-claim-against-panama (requires subscription)
https://www.iareporter.com/articles/electricity-dispute-with-panama-results-in-a-settlement-award/ (requires subscription)