Plan S: Challenges and Opportunities in Spain

Spain is very active in the open access movement. Although the gold route has scarcely been used there, the green route has been intensively implemented through fulfilment of European and national mandates and the development of institutional policies. Plan S is becoming a disruptive element in the context of scientific communication. The challenges and opportunities are examined to conclude that repositories can be a fundamental tool for monitoring the fulfillment of mandates.