Issue |
E3S Web Conf.
Volume 334, 2022
EFC21 - European Fuel Cells and Hydrogen Piero Lunghi Conference
|
|
---|---|---|
Article Number | 01001 | |
Number of page(s) | 5 | |
Section | Hydrogen Production | |
DOI | https://doi.org/10.1051/e3sconf/202233401001 | |
Published online | 10 January 2022 |
Techno-economic analysis of hydrogen production from PV plants
Department of Energy, Systems, Territory and Construction Engineering, University of Pisa, Pisa, Italy
* Corresponding author: lorenzo.ferrari@unipi.it
Hydrogen production through electrolysis from renewable sources is expected to play an important role to achieve the reduction targets of carbon dioxide emissions set for the next decades. Electrolysers can use the renewable energy surplus to produce green hydrogen and contribute to making the electrical grid more stable. Hydrogen can be used as medium-long term energy storage, converted into other fuels, or used as feedstock in industry thus contributing to decarbonise hard-to-abate-sectors. However, due to the intermittent and variable nature of solar and wind power, the direct coupling of electrolysers with renewables may lead to high production fluctuations and frequent shutdowns. As a consequence, accelerated electrolyser degradation and safety issues related to low load operation may arise. In this study, simulations of hydrogen production with an electrolyser fed by a PV system are performed in Matlab for a reference year. The effect of PV power fluctuations on the electrolyser operation and production is investigated. The impact of the electrolyser size for a fixed nominal power of the PV plant is also analysed from both energetic and economic points of view.
© The Authors, published by EDP Sciences, 2022
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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