This dataset contains detailed information about the active energy communities in mainland Portugal. It is made up of the following elements: date, year, month, parish (freguesia), type of collective (ACC or CER), and the number of records.The data is obtained through E-REDES's internal sources that monitor the formation and development of energy communities. The update frequency is monthly.The fields that make up the dataset are:Year: The year to which the information refers.Month: The month to which the information refers.Parish: The parish (freguesia) where the energy community is located.ACC/CER Type: The type of energy community, which can be Collective Self-Consumption (ACC) or Renewable Energy Community (CER).ACC/CER Type Count: Number of registered energy communities.This data allows for:Monitoring the growth and geographic distribution of energy communities in mainland Portugal.Facilitating analysis and study on the effectiveness and impact of renewable energy policies.Providing important information on regional energy trends.Helping identify areas with greater potential for new energy community initiatives.Contributing to transparency and public information on sustainable development and innovation in the energy sector.Note: There may be cases where ACCs and CERs are located at the boundaries of parishes, spanning more than one parish. In these cases, the ACCs and CERs will be counted in the different parishes.