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The aim of the study: acceptable amount of H 2 within natural gas at distribution level . [1] – S. Pellegrino, A. Lanzini, and P. Leone, Greening the gas network - The need for modelling the distributed injection of alternative fuels, In: RENEWABLE & SUSTAINABLE ENERGY REVIEWS Elsevier Ltd. (2017) HYDROGEN BLENDING INTO THE GAS DISTRIBUTION GRID: CASE STUDY OF A SMALL MUNICIPALITY Marco Cavana*, Andrea Lanzini, Pierluigi Leone *[email protected] Politecnico di Torino, Department of Energy, Turin, Italy RESULT: 6.7% vol. LIMITING PARAMETER: Relative Density non-isothermal, multi-component and steady state fluid-dynamic model of gas network [1] has been applied to a portion of the Italian distribution network using real data provided by the local distribution company. A GAS DEMAND 41% 59% Gas Consumption total: 8,25 MSm 3 /y 94% 6% Users type total: 3262 users Covered Surface: 29 km 2 Degree Days: 2 189 Total Population: 6 550 Winter Daily Average throughput: 2060 Sm 3 /h (ref. : Jan) GAS NETWORK BLENDED GAS QUALITY VARIATION INJECTION NODE 2 H 2 PRESSURE DROPS NODAL PRESSURE NETWORK NODAL CAPACITY NATURAL GAS SAVING : 2.1% of the original throughput Energy Security Greening the Heating Sector Robustness of the Energy System Need for Flexibility and Storage RATIONALE: To comply with gas quality requirements set by DM 19/02/2007 PEMEC 0.8 MW 143.4 Sm3/h η 60%
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