Within the broader energy landscape in Austria, Salzburg enjoys a strong reputation for its green, innovation-first energy industry, which is the best example of sustainability done right. As the nation strides towards an ambitious goal of achieving carbon neutrality by 2040 and generating all its electricity from renewable sources by 2030, Salzburg spearheads these efforts and demonstrates innovative approaches to green energy. Austria has long recognized the critical role of renewable energy in mitigating environmental impacts and combating climate change. The country’s aggressive decarbonization strategy is pivotal in meeting its 2040 carbon neutrality target, a full decade ahead of the European Union’s objective. In this national context, Salzburg shines brightly. The city is not only one of the greenest in Austria but also a model for sustainable urban living. Renewable energy usage in Salzburg accounts for 70% of the city’s total energy consumption. This achievement is underpinned by a combination of hydroelectric power, solar energy, and an expanding network of wind turbines. One of the best examples can be found in its public transportation system. The city carries the title of Austria’s most eco-friendly transport network, featuring trolleybuses that have been running on electricity since 1940. These trolleybuses are a hallmark of Salzburg’s continuous efforts to expand and enhance its public transport in an environmentally friendly manner. The city’s forward-thinking approach is encapsulated in its master plan for 2050, which outlines a detailed vision for turning Salzburg into a Smart City. This roadmap includes significant measures such as the expansion and optimization of the district heating grid, increased use of renewable energy resources, and a robust strategy to reduce overall energy consumption. Additionally, the plan emphasizes enhancing mobility options, further reducing the city’s carbon footprint. One notable project involves optimizing the district heating grid to maximize efficiency and minimize waste.