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Investment treaty awardUnpaid

The PV Investors (AES Solar and others) v. Spain

Cuts to solar incentives

Headline amount
€91.1M≈$101.9M · Principal
Respondent
SpainState
Awarded
Feb 28, 2020
Status
UnpaidNothing collected

Latest development Jun 29, 2026

The U.S. Supreme Court denied Spain’s petition in Kingdom of Spain v. Blasket (No. 24-1130).

The award

Amount awarded
€91.1M in total across the claimants, plus interest (AES/Blasket share €26.5M)
Award holder
A group of solar investors (the PV Investors). AES Solar Energy Coöperatief and Ampere Equity Fund transferred their share (€26.5 million) to Blasket Renewable Investments LLC
Respondent
Kingdom of Spain
Forum
PCA Case No. 2012-14 · ECT · UNCITRAL · seat Geneva

Challenges

The Swiss Federal Supreme Court dismissed Spain’s set-aside application on February 23, 2021 (4A_187/2020).

Enforcement

The D.D.C. (Judge Leon, No. 21-cv-3249) dismissed Blasket’s petition in March 2023. The D.C. Circuit reversed and remanded on August 16, 2024, and the U.S. Supreme Court denied Spain’s petition on June 29, 2026. italaw also lists a Colombian enforcement judgment (August 30, 2022), orders of Brazil’s Superior Court of Justice (2023), and Amsterdam District Court rulings (2023 to 2025).

Recovered to date

None reported.

Notes

Status of the remanded D.D.C. case and of the other claimants’ shares not verified.