Ullum 1 Solar S.A.U. y Ullum 2 Solar S.A.U. v. Compañía Administradora del Mercado Mayorista Eléctrico S.A.

The PCA serves as registry and provides administrative support in this arbitration, which is being conducted under the UNCITRAL Arbitration Rules of 2013.


Case information

Name(s) of Claimant(s) Ullum 1 Solar S.A.U. (Private entity )
Ullum 2 Solar S.A.U. (Private entity )
Name(s) of Respondent(s) Compañía Administradora del Mercado Mayorista Eléctrico S.A. (Private entity )
Names of Parties -
Case number 2020-38
Administering institution Permanent Court of Arbitration (PCA)
Case status Pending
Type of case Contract-based arbitration
Subject matter or economic sector Electricity/Power
Rules used in arbitral proceedings UNCITRAL Arbitration Rules 2013
Treaty or contract under which proceedings were commenced -
Language of Proceeding Spanish
Seat of Arbitration (by Country) -
Arbitrator(s)

Prof. Alejandro Garro (Sole Arbitrator)

Representatives of the Claimant(s)

Ricardo Mihura Estrada

Jorge Agustín de Estrada

Leverone & Mihura Estrada

Representatives of the Respondent(s)

Joaquín Vallebella

Sebastián Alvarez

Andrea T. De Chiara

Brons y Salas Abogados

Representatives of the Parties
Number of Arbitrators in case 1
Date of commencement of proceeding 2020
Date of issue of final award -
Length of Proceedings -
Additional notes -