Nuclear Safety Council Supports Conditional Extension for Almaraz Power Plant

The Nuclear Safety Council (CSN) has recommended extending the operational license for the Almaraz nuclear power plant in Cáceres, Spain, until at least 2030, just over a year before the start of its final closure procedure. This recommendation comes after the organization verified that the plant is functioning correctly and maintains an adequate safety level for continued operation. However, this decision reignites a long-standing debate surrounding the key infrastructure amidst a politically charged environment. Currently, Reactor I is scheduled to cease operations in November 2027, and Reactor II is set to close in October 2028. In light of these deadlines, the owners of the plant—Iberdrola (53%), Endesa (36%), and Naturgy (11%)—collectively submitted a request for an extension. The government now has approximately two months to either grant or deny this extension request. If denied, the owners will be required to formally request the closure of the plant. The CSN's report, which is advisory in nature, will be sent to the Ministry for Ecological Transition and the Demographic Challenge (MITECO) for a well-informed decision regarding the renewal. Although the CSN’s recommendations are pivotal from a technical viewpoint, the continuity of the Almaraz plant is ultimately at the discretion of the central government. In its analysis, the CSN suggests retaining the current operational limits and conditions while proposing two exceptions: clarification on the renewal's temporal scope and updates to the existing Official Operating Documents. Additionally, a new condition mandates ensuring adequate safety personnel between 2028 and 2030. The evaluation conducted by the CSN included examining the aging state of structures, systems, and safety components, as well as the management for spent fuel until 2030. It concluded that with the incorporation of the ATI100 Individualized Temporary Repository, alongside existing capacities, there will be sufficient storage for spent fuel until the requested renewal date. The history of the Almaraz plant is notable; Reactor I began operations on May 1, 1981, while Reactor II followed on October 8, 1983. Together, both reactors position the Extremadura plant as one of Spain's largest electricity producers, contributing around 7% of the national total and providing approximately 3,000 direct and indirect jobs. This creates significant support from local and regional administrations against the central government's opposing stance. The future of Almaraz is embroiled in a polarized debate between proponents and critics of nuclear energy. Supporters argue that nuclear power generates electricity with minimal carbon dioxide emissions and provides a constant energy supply, while opponents caution the potential dangers of accidents that could have catastrophic consequences, as well as the long-term issues of radioactive waste disposal. Related Sources: • Source 1 • Source 2