Elena Oñoro Sainz

Counsel (published cases) · 31

Published cases (31)

2026
Eurus Energy Holdings Corporation v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: James Crawford, Anne K. Hoffmann, Oscar M. Garibaldi, Andrea Giardina
2026
InfraRed Environmental Infrastructure GP Limited and others v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Stephen L. Drymer, William W. Park, Pierre-Marie Dupuy, José Miguel Júdice
2025
Nurhima Kiram Fornan and others v. Kingdom of Spain
Counsel for the respondent (General State Attorney's Office) · award p. 7

Tribunal: Gabrielle Kaufmann-Kohler, Stephan W. Schill, Alexis Mourre
2025
JGC Holdings Corporation (formerly JGC Corporation) v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 4

Tribunal: Dyalá Jiménez Figueres, Tina Cicchetti, Ucheora Onwuamaegbu, D. Degreef
2025
STEAG GmbH v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Eduardo Zuleta, Guido Santiago Tawil, Pierre-Marie Dupuy, Eva Kalnina
2025
Antin Infrastructure Services Luxembourg S.à.r.l. and Antin Energia Termosolar B.V. v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Eduardo Zuleta, J. Christopher Thomas, Francisco Orrego Vicuña, Klaus Reichert
2025
AES Solar and others (PV Investors) v. The Kingdom of Spain
Counsel for the respondent (Abogacía del Estado) · award p. 2

Tribunal: Gabrielle Kaufmann-Kohler, Charles N. Brower, Bernardo Sepúlveda Amor, Richard J. Leon
2025
Cube Infrastructure Fund SICAV and others v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Vaughan Lowe, James Jacob Spigelman, Christian Tomuschat, Jacomijn J. van Haersolte-van Hof
2024
NextEra Energy Global Holdings B.V. and NextEra Energy Spain Holdings B.V. v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Donald M. McRae, L. Yves Fortier, Laurence Boisson de Chazournes, Joongi Kim
2024
9REN Holding S.a.r.l v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Ian Binnie, David R. Haigh, V.V. Veeder, Dário Moura Vicente
2024
Sapec, S.A. v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado, Departamento de Arbitrajes Internacionales) · award p. 2

Tribunal: David Unterhalter, James Jacob Spigelman
2024
RENERGY S.à r.l. v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado); Counsel for the respondent (Abogacía General del Estado (annulment)) · award p. 3 · award p. 3

Tribunal: Bruno Simma, Christoph Schreuer, Philippe Sands, Dário Moura Vicente
2024
Foresight Luxembourg Solar 1 S. Á.R1., et al. v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Michael J. Moser, Klaus Michael Sachs, Raúl E. Vinuesa, Ulrika Beergrehn
2024
RWE Innogy GmbH and RWE Innogy Aersa S.A.U. v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Samuel Wordsworth, Judd Kessler, Anna Joubin-Bret, Carita Wallgren-Lindholm
2024
EBL and Tubo Sol v. Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 3

Tribunal: Jean E. Kalicki, Bo G.H. Nilsson, Hélène Ruiz Fabri
2023
BayWa r.e. Renewable Energy GmbH and BayWa r.e. Asset Holding GmbH v. Spain
Counsel for the respondent (Abogacía General del Estado); Counsel for the respondent (Abogacía General del Estado (annulment)) · award p. 2 · award p. 3

Tribunal: James Crawford, Horacio A. Grigera Naón, Loretta Malintoppi, Dário Moura Vicente
2022
Novenergia II - Energy & Environment (SCA) (Grand Duchy of Luxembourg), SICAR v. The Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado-Dirección del Servicio Jurídico del Estado) · award p. 2

Tribunal: Johan Sidklev, Antonio Crivellaro, Bernardo Sepúlveda Amor, Peter Strömberg
2022
Mathias Kruck and others v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Vaughan Lowe, Zachary Douglas, Michael Pryles, Gary B. Born
2022
AES Solar and others v. Spain
Counsel for the respondent (Abogacía del Estado) · award p. 2

Tribunal: Gabrielle Kaufmann-Kohler, Charles N. Brower, Bernardo Sepúlveda Amor, Octavio Augusto Tejeiro Duque
2022
Infracapital F1 S.à r.l. and Infracapital Solar B.V. v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Eduardo Siqueiros T., Peter Cameron, Luis González García
2022
Hydro Energy 1 S.à r.l. and Hydroxana Sweden AB v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Lord Collins of Mapesbury, Peter Rees, Rolf Knieper, Wendy Miles
2022
Green Power K/S and Obton A/S v. Spain
Counsel for the respondent (Abogacía General del Estado (State Attorney)) · award p. 12

Tribunal: Hans van Houtte, Inka Hanefeld, Jorge E. Viñuales
2022
RREEF Infrastructure (G.P.) Limited and RREEF Pan-European Infrastructure Two Lux S.à r.l. v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado); Counsel for the respondent (Abogacía General del Estado (annulment)) · award p. 2 · award p. 3

Tribunal: Alain Pellet, Robert Volterra, Pedro Nikken, Lawrence Boo
2022
TS Villalba GmbH and others v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado)

Tribunal: D. Brian King, Paul Sreenan, Meg Kinnear
2022
SolEs Badajoz GmbH v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Joan Donoghue, Giorgio Sacerdoti, David A. R. Williams, Stanimir A. Alexandrov
2022
Sevilla Beheer B.V. and others v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 6

Tribunal: Raed Fathallah, Peter Cameron, Attila Tanzi, Rudolf Dolzer
2020
Canepa Green Energy Opportunities I, S.á r.l. and Canepa Green Energy Opportunities II, S.á r.l. v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Sean David Murphy, Silvina González Napolitano, Peter Rees
2020
VM Solar Jerez GmbH and others v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado, Departamento de Arbitrajes Internacionales, Ministerio de Justicia) · award p. 2

Tribunal: Michael Collins, Guido Santiago Tawil, Ioana Knoll-Tudor, David Malpass
2020
Watkins Holdings S.à r.l. and others v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 3

Tribunal: Cecil W.M. Abraham, Michael Pryles, Hélène Ruiz Fabri
2020
KS Invest GmbH and TLS Invest GmbH v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2 · award p. 2

Tribunal: Bruno Simma, Gary B. Born, Daniel Bethlehem, Kaj Hobér
2019
Stadtwerke München GmbH, RWE Innogy GmbH, and others v. Kingdom of Spain
Counsel for the respondent (Abogacía General del Estado) · award p. 2

Tribunal: Jeswald W. Salacuse, Kaj Hobér, Zachary Douglas

Compiled with AI from the published awards and decisions in the Forum’s database; it covers public cases only and may contain matching errors. Each entry links to the page it was read from where available. Corrections: info@arbitration.org.