Sapiña Errecart Ana Sofía

ANA SOFÍA SAPIÑA ERRECART focuses her practice on international arbitration and cross-border disputes. She represents sovereigns, state-owned entities, and multinational companies in complex commercial and investor-state disputes, with particular experience in the energy, construction, and infrastructure sectors.

Her experience spans arbitrations under the ICC, LCIA, ICDR, and ad hoc rules, as well as arbitration-related proceedings before U.S. and English courts. Ana Sofía has advised clients in disputes involving long-term energy supply agreements, major infrastructure and construction projects, shareholder arrangements, and the recognition and enforcement of investment arbitration awards, with a particular focus on Latin America.

While attending Harvard Law School, Ana Sofía served as vice president secretary of the Harvard International Arbitration Law School Association.

Ana Sofía was recognized by Legal 500 in 2022 for her work on complex commercial arbitrations in the construction, infrastructure, and energy sectors.

Ana Sofía is fluent in Spanish.

• A Mexican state-owned company in an ICC commercial arbitration arising from a LNG supply contract with a major oil and gas company, with more than US$2 billion in dispute.
• A Spanish construction company in an ad hoc arbitration seated in London against a subcontractor concerning the construction of a gas plant in Saudi Arabia. The dispute involves claims relating to delay, disruption, and back-charges.
• A Spanish construction company in proceedings before the English courts challenging an ICC arbitration award arising from a construction dispute. Secured a judgment setting aside the award in its entirety.
• The Kingdom of Spain in U.S. proceedings concerning the recognition and enforcement of investment arbitration awards rendered in favor of renewable energy investors, including post-judgment discovery and opposition to attachment and execution.
• An international renewable energy company in a shareholder dispute before NY courts in connection with a joint venture in Mexico.
• A consortium of construction companies in an arbitration against a Mexican state-owned company in a dispute regarding the construction of a hydroelectric power plant. Secured a favorable award that ordered the respondent to pay over US$250 million and gained considerable media attention.
• A Japanese renewable energy company in an arbitration against a Mexican state-owned company in a dispute regarding the operation and maintenance of a cogeneration power plant. Secured a favorable award.
• A Spanish construction company in an ICC arbitration against a Mexican state-owned company regarding the construction of a sulfur solidification plant.
• A Brazilian company in an ICDR arbitration against a British company regarding the transportation and delivery of natural gas during the unprecedented Uri winter storm in Texas.
• A Spanish renewable energy company in an investor-state arbitration against Mexico under the Spain-Mexico BIT regarding several arbitrary actions performed by the Mexican government to exclude a photovoltaic project from the Mexican electricity market.

Some of the above matters were handled prior to joining Sidley.