This paper aims to present the methods employed by the demonstration project “Korneuburg Way2Smart” to contribute to the municipality’s plan of achieving energy self-sufficiency by 2036. The municipality of Korneuburg plans to refurbish two municipality-owned residential buildings. This includes the compaction of two buildings by way of super structures and annexes, as well as utilization of facade and roof areas for energy-generation. In an attempt to answer the questions arising in a general public along the way to a broader acceptance of this smart city vision, an online energy platform with interactive maps is employed to visualize the current energy situation city-wide, and highlight the future potential of renewable energy sources and refurbishment measures for individual buildings. The energy platform aims to support residents and stakeholders with energy forecasts according to different development scenarios to underpin energy and building decisions and for them to achieve their goal of energy self- sufficiency. The implementation of the web platform’s user interface must meet several requirements: It is required to be both intuitive and easy-touse by non-professionals. In addition, it must be able to cover a wide range of use cases such as input of building energy calculation parameters and energy scenario parameters, as well as various measurement data. The inclusion of citizens and neighbourhoods in the transition process is another focus of the project. Residents are informed about the municipality’s actions from an early stage and can partake in decision processes. With the so-called “buddy-program”, the education of a wider public on technical topics, possibilities for self-organisation, management of car sharing, etc. are also part of the project. New and innovative mobility concepts such as “tenants-mobility” are also explored. The buildings of the project are planned as “nearly car-free” buildings.