Techno-economic analysis of PV-H2 systemsReport as inadecuate

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1 SPE - Sciences pour l-environnement 2 edf 3 Commissariat à l-Energie Atomique

Abstract : The purpose of this paper is to analyze the costs of grid-connected PV-H2 systems sized to meet a setpoint power using ORIENTE® software. The aim is to determine optimal component sizes to minimize cost of injection-to-grid.We study the case of guaranteed PV production where the PV array is coupled to a hydrogen chain to inject a constant setpoint power into the grid from 8am to 5pm local time all year long without failure 100% satisfaction level. We studied 4 setpoint powers: 100, 200, 300 and 400 kW.The results show that regardless of setpoint power, the optimum system design fits the ratios: installed PV power-to-setpoint power =2.4-2.5; nominal electrolyzer power-to- setpoint power = 0.72-0.75; nominal fuel cell power-to-setpoint power = 1. We also found that the capacity of the H2 tanks corresponds to around 48e50 days of off-grid power number of days where setpoint power comes exclusively from the fuel cells.

Author: C Darras - G Bastien - M Muselli - P Poggi - B Champel - P Serre-Combe -



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