KEZO Research Centre of Polish Academy of Sciences (PAS) is a major research facility in Poland in the field of energy conversion and renewable resources combining different small-scale energy technologies in one smart energy system. It is an external laboratory of the Institute of Fluid-Flow Machinery Polish Academy of Sciences (IMP PAN) from Gdańsk, Poland (http://www.imp.gda.pl) and is located in Jabłonna, near Warsaw. KEZO provides a framework for carrying out IMP PAN's research projects as well as all other projects carried out in various Consortia with other R&D institutes, universities, companies as well as all the other actors from the energy conversion and RES arena, both nationally as well as internationally. Centre consists of five laboratories: (1) photovoltaic cells and solar collectors, (2) wind energy, (3) micro cogeneration plants and ecological boilers, (4) safety engineering and overarching: (5) integrated plus energy lab. To learn more about the KEZO Research Centre PAS laboratories and activities so far, we advise to visit the websites of both KEZO and IMP PAN.