The management and planning of transmission and distribution systems is becoming increasingly complex due to the intermittency caused by renewable energy sources and new sources of flexibility provided by demand response, storage and flexible network elements. Decision support tools allow system operators to improve plant utilisation and avoid overinvestment. Therefore, at EnergyVille, we offer new calculation methods and tools that help grid operators make proactive decisions and enable optimal integration of all service providers in the market, using various optimisation techniques.