Development of the Hydrogen Supply Chain to Support a CCHP Plant With PV Overproduction Test Bed on a Dairy Firm

This paper presents an optimal management strategy (i) to better deploy an overproduction from a PV power plant, along with hydrogen storage, (ii) by reorganizing all the energy flows and using a Combined Cooling Heat and Power (CCHP) plant to decrease the primary energy consumption, and (iii) without deteriorating the carbon footprint of the facility. The scope is to show how to support an industrial application of <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">green</i> hydrogen from an energy management and decarbonization standpoint. The main hydrogen production techniques are investigated, and the results are compared and validated by literature. A 2-years monitoring campaign at a dairy firm consuming electricity, heat, and cooling energy is the test bed of the study: the best configuration consists of a CCHP plant with a green Hydrogen-based Energy Storage System, which depending on the season, is able to save between 40 and <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$42\%$</tex-math></inline-formula> in terms of operative costs, a range in the emissions between 1 and <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$12\%$</tex-math></inline-formula>. Only the primary energy consumption slightly increase in summer (+0.2 toe/day).