EIB and Iberdrola sign a EUR 175 million green loan, guaranteed by Cesce, for Tâmega wind farms in Portugal

Mechanism

As with the first EIB-Cesce operation (Windanker, Germany, filed 2025-11-03), EIB multilateral financing is paired with a national export-credit guarantee: Spain's Cesce underwrites the EIB loan under the same guarantee framework launched to back green projects led by Spanish companies building outside Spain. Global Trade Alert flags this as a "state loan" intervention rather than ordinary commercial lending on the same grounds as the prior tranche — Iberdrola, a large listed utility, receives below-market-rate multilateral capital for a project that would otherwise be financed commercially or via project-finance syndicates.

The project — "Tâmega Wind Hybridisation" — builds two new wind farms (274 MW, 38 x 7.2 MW turbines) and connects them to three existing hydropower plants (Gouvães, Daivões, Alto Tâmega) already part of the EIB-financed Tâmega pumped-storage complex near Porto, one of the largest energy projects in Portugal. It is the first hybrid wind/pumped-storage grid connection in the country. Total project investment is approximately EUR 350 million, against the EUR 175 million EIB loan. The EIB frames the financing under its climate-action and cohesion objectives (the Tâmega site sits in Portugal's Norte cohesion region) and under REPowerEU, the EU programme to cut fossil- fuel import dependence.

Severity is set at 2 (quant, based on the EUR 175m loan / ~EUR 350m total investment), consistent with the register's treatment of the Windanker tranche and other EIB green-energy loans in the EUR 100-500m range.

Downstream implications

• Confirms the EIB-Cesce guarantee instrument (first used for Windanker,

Germany) is a repeat financing channel for Iberdrola's cross-border green buildout rather than a one-off — two tranches in under three months (November 2025, January 2026).

• Extends the pattern of EIB green loans functioning as de facto industrial

subsidies for named EU renewable-energy developers outside classic state-aid notification channels, now spanning both offshore wind (Germany) and onshore wind/pumped-storage hybridisation (Portugal).

• Reinforces Portugal's Tâmega System as an anchor asset for national

electrification and grid decarbonisation targets.

Open questions

• Whether the EIB-Cesce guarantee mechanism will extend to further

Spanish-company projects beyond Iberdrola, and at what cumulative volume.

• Turbine OEM for the Tâmega wind farms is not named in the primary source.
• Whether Portugal's national government provided any parallel grid-

connection or auction-related support alongside this EIB/Cesce financing.