In response to the recent blackout incident that left Portugal and Spain without electricity for hours on April 28, Portugal has announced plans to ease restrictions on electricity interconnection capacity for imports from Spain. The trading between the two countries was halted following the blackout, but now Portugal is set to increase the cap on import capacity to 1,500 megawatts between 9 a.m. and 8 p.m. on specific dates.
This decision comes after the Portuguese energy grid operator REN-Redes Energeticas Nacionais SA stated that there will be no restrictions on import capacity from Spain at other times. Portugal has also been exporting electricity to Spain, showcasing the interdependence of the two countries in the energy sector.
After the blackout, REN had initially imposed import limits, causing fluctuations in the electricity trade between Portugal and Spain. However, as part of an ongoing "stabilization process," the interconnection capacity is being gradually increased to ensure a more secure and stable supply of electricity between the two nations.
EDP SA, a major Portuguese utility, has reassured that the blackout incident is not expected to have a significant impact on their operations, despite some market instability post-incident. EDP's CEO emphasized the need for more investments in electricity networks and interconnections within the Iberian Peninsula and with the rest of Europe to enhance the overall reliability and resilience of the energy grid.
The blackout incident served as a wake-up call for the importance of robust and well-maintained electricity interconnections and highlighted the crucial role of cross-border cooperation in ensuring a smooth and uninterrupted energy supply for both Portugal and Spain.


