The paper deals with utilization of a photovoltaic power plant, installed on the roof of buildings within the Technological Centre in Ostrava (TCO) for production of hydrogen through electrolysis of water. The hydrogen produced will be stored in pressure vessels and used as fuel in fuel cells. The whole system of electrolysers for hydrogen production, pressure vessels for its storage and fuel cells for regenerating of electric power serve for storage of power supplied by the photovoltaic power plant and these are situated within the hydrogen technologies laboratory at TCO. The paper provides a brief description of specifications of photovoltaic panels and inverters, with further assessment of the power supply during the year 2016, enumeration of the amount of hydrogen that could be produced using the power supplied.