The 2026 Public & Administrative Law and Judicial Review trends article for Portugal, published by Chambers and Partners, analyses a year marked by consolidation and acceleration of major reforms in Portuguese public and administrative law. Against a backdrop of administrative modernisation, technological change and increased regulatory pressure, Portuguese public law is evolving to address large-scale investment, digital transformation and strategic geopolitical challenges.
At a systemic level, government priorities for 2026 emphasise administrative efficiency, strategic public investment and social cohesion, while European and international rules on sustainability, artificial intelligence, data protection and climate adaptation increasingly shape domestic administrative action. One of the most debated prospective reforms is the announced revision of the Law on the Court of Auditors, which aims to replace prior approval of most high‑value public contracts with predominantly a posteriori financial control in order to speed up public investment decisions, although concrete legislative proposals were still pending at the time of publication.
In infrastructure, Portugal is experiencing a renewed cycle of public investment supported by European funding and technological integration. Flagship projects include the development of the high‑speed rail network, with new construction phases already tendered or announced, preparatory works for the new Lisbon airport, continued expansion of the Lisbon and Porto metro systems, and implementation of the Ports 5+ Strategy, which seeks to modernise commercial ports through new concessions, digitalisation and sustainability measures. Public‑private partnership models remain central, particularly in rail and urban transport concessions
In the defence sector, the international geopolitical context has driven a substantial expansion of public spending, with Portugal increasing its defence budget significantly in 2026 to move towards NATO’s 2% of GDP target. The focus is on personnel, modernisation of equipment and operational capacity. European initiatives such as the SAFE programme and other EU defence funding mechanisms are creating new legal and contractual challenges, while simultaneously opening opportunities for Portuguese industry to integrate into European defence value chains.
The energy and natural resources sector is defined by the acceleration of the energy transition and major legislative reforms. The anticipated transposition of the RED III Directive is expected to simplify and speed up renewable energy licensing, including through the creation of designated acceleration zones. Offshore wind, energy storage, electricity market reform and decentralised energy communities are highlighted as key growth areas. At the same time, increasing demand from large‑scale data centres is forcing a rethink of electricity grid capacity allocation models. Water management and resilience policies have also gained prominence following climate‑related extreme events.
21 de abril, 2026
