Athens Energy Portal: Key Achievements and Functionalities at a Glance

The Athens Energy Portal has evolved into a broader municipal energy-management environment, bringing together data and analytical tools for municipal buildings, public lighting and public open spaces. According to the latest documented project status, the Portal tracks 553 municipal buildings, 1,507 public lighting supply points, and 503 parks, squares, and playgrounds. It also includes more than 200 schools in a dedicated module and has processed 43,731 energy bills across the different asset categories.


The platform combines historical billing information, asset data and smart-meter or IoT-generated data where available. Its functionalities include consumption and cost monitoring, dashboards and visual analytics, AI-supported forecasting, anomaly detection, energy-efficiency benchmarking, CO₂-related performance information and GIS-based solar-potential mapping. The Portal also includes two citizen-facing sections, Become a Producer and the Energy Poverty Alleviation Office, broadening its scope beyond internal municipal energy management.


Stakeholder participation has been an integral part of the development process. Three co-creation workshops with municipal employees and citizens were organised during the project, followed by two dedicated training sessions for municipal staff. The feedback collected through these activities informed concrete changes to the platform, including its navigation, data presentation, user roles, filtering options and the expansion of the Portal beyond municipal buildings.


The new infographic prepared by INZEB presents these key figures and functionalities in a concise visual format, highlighting the Portal’s operational scope, analytical capabilities, co-creation process, and potential long-term value for more systematic municipal energy management.


The Athens Energy Portal is implemented by the Institute of Communication and Computer Systems of the National Technical University of Athens, with the role of coordinator and technical lead, INZEB, responsible for stakeholder analysis and engagement, co-creation, communication and dissemination, and the City of Athens, as project partner, pilot and principal municipal user.


The Athens Energy Portal receives funding from the ICLEI Action Fund.


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