For two days, the 13th edition of the Mazovia Development Forum took place at the Legia Warszawa Conference Center .The organizer of this cyclical event is the Masovian Unit for the Implementation of EU Programs, and the honorary patronage over the event is provided by: the European Commission in Poland, the Marshal of the Masovian Voivodeship and the Ministry of Funds and Regional Policy.For two days, November 14 and 15, debates with experts, workshops, simulations, shows and presentations, as well as expert consultations and networking took place at the Legia stadium. MAE took this opportunity to launch and promote MESTRI-CE project to a larger audience, as the Forum gathers approximately 1,000 participants every year. During the event MAE prepared workshops and gather almost 50 participants. During workshops MAE presented MESTRI-CE project – its objectives and planned outputs. MAE’s experts also presented current requirements and related obligations regarding audits and energy certificates of buildings, as well as legal aspects of energy transformation which also included private financing model EPC presentation.