Public record 5 published cases

Colleen Kollar-Kotelly

Arbitrator in 5 published cases before PCA, SCC, ICSID tribunals, in oil refining; shareholding (ukrtatnafta), oil refining (ukrtatnafta, kremenchug refinery), renewable energy; concentrated solar power (csp) disputes.

PCA, SCC, ICSID Oil refining; shareholding (Ukrtatnafta), Oil refining (Ukrtatnafta, Kremenchug refinery), Renewable energy; concentrated solar power (CSP), Renewable energy; solar photovoltaic feed-in tariffs, Renewable energy; photovoltaic feed-in tariffs

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Overview

In the published awards, Colleen Kollar-Kotelly has been appointed by claimants 0 times and by respondents 0 times, and has presided or sat alone in 0 cases.

5Published cases

0As chair or sole arbitrator

0Party appointments

0Dissents recorded

Track record

Year	Case	Role	Appointed by	Institution / rules	Sector	Award
2025	Greentech Energy Systems A/S, et al v. Italian Republic	Judge	Court	SCC · Stockholm	Renewable energy; solar photovoltaic feed-in tariffs	Read award →
2025	CEF Energia BV v. Italian Republic	Judge	—	SCC · Stockholm	Renewable energy; photovoltaic feed-in tariffs	Read award →
2023	OJSC Tatneft v. Ukraine	Judge	—	PCA · Paris	Oil refining (Ukrtatnafta, Kremenchug refinery)	Read award →
2020	PAO Tatneft v. Ukraine	Judge	—	PCA · Paris (arbitration)	Oil refining; shareholding (Ukrtatnafta)	Read award →
2020	Eiser Infrastructure Limited and Energía Solar Luxembourg S.à r.l. v. Kingdom of Spain	Judge	—	ICSID · Washington, DC	Renewable energy; concentrated solar power (CSP)	Read award →

Expertise

The legal issues and sectors decided most often in the published awards. Each links to the cases in the database.

enforcement 4 fair and equitable treatment 4 Energy Charter Treaty 3 intra-EU objection 3 Tatneft 2 Ukrtatnafta 2 Russia–Ukraine BIT 2 state immunity 2 arbitrator disclosure 2 Orrego Vicuña 2 annulment 2 DCF valuation 2 Conto Energia 2 Achmea 2 Komstroy 2 legitimate expectations 2 umbrella clause 2 set-aside 2 New York Convention 1 FSIA waiver exception 1 arbitration exception 1 section 103 Arbitration Act 1996 1 illegality of investment 1 promissory notes 1

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