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LSG and others v. Romania, Complaint, July 7, 2026

7 Jul 2026
LSG Building Solutions GmbH and others v. Romania, ICSID Case No. ARB/18/19
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Complaint
Document Details:
LISTED PARTICIPANTS
Complaint
Participants listed are for this document only and may not include all participants involved in the entire case. Always consult the original documents.
Claimant appointee
Oliver Thomas Johnson
Respondent appointee
Pierre-Marie Dupuy
Tribunal/Panel chair
Juan Fernández-Armesto
Arbitrator(s)
Sole Arbitrator
ICSID Annulment Committee president
ICSID Annulment Committee members
WTO Appellate Body members
WTO Appellate Body chair
Judges
Claimant's counsel
Thomas C.C. Childs, Maryssa Ziegler, Matthew S. Rozen
Claimant's law firm
Respondent's counsel
Respondent's law firm
Other counsel
Claimant's expert
Claimant's expert firm
Respondent's expert
Respondent's expert firm
Claimant's witness
Respondent's witness
Other witnesses
Tribunal secretary
Tribunal assistant
Third-party funder
Entities
LSG Building Solutions GmbH, King & Spalding, Curtis Mallet-Prevost Colt & Mosle, Maravela & Asociaţii, Romania
Country
United States
Print reporter
Document Summary
Complaint
This summary note is machine-generated. Always consult the original materials.

Procedural Posture

This document is a Complaint filed by ten renewable energy investors (Plaintiffs) in the United States District Court for the District of Columbia against the Republic of Romania (Defendant). The Plaintiffs seek the recognition and enforcement of an arbitral award rendered on February 20, 2024, and a subsequent decision on annulment issued on February 18, 2026, in ICSID Case No. ARB/18/19.

Legal Issues and Positions

The Plaintiffs assert that the Court possesses subject matter jurisdiction pursuant to the Foreign Sovereign Immunities Act (FSIA), specifically invoking the arbitration exception (28 U.S.C. § 1605(a)(6)) and the implied waiver exception (28 U.S.C. § 1605(a)(1)). The Complaint outlines the underlying dispute, which involved Romania's breaches of the fair and equitable treatment standard under Article 10(1) of the Energy Charter Treaty (ECT) concerning the regulatory regime for photovoltaic facilities. The Plaintiffs argue that under Article 54 of the ICSID Convention and its implementing U.S. legislation (22 U.S.C. § 1650a), the ICSID Award and the Annulment Decision are final, binding, and not subject to appeal, thereby entitling them to full faith and credit as if they were final judgments of a state court.

Relief Sought

The Plaintiffs request the Court to enter an order recognizing and enforcing the pecuniary obligations of the Award and the Annulment Decision. Specifically, they seek a judgment against Romania for EUR 42.2 million in principal damages, alongside pre- and post-award interest, as well as arbitration costs and legal expenses totaling over USD 4 million and EUR 525,000.