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Techno-Economic Evaluation of Hydrogen Energy
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Techno-Economic Evaluation of Hydrogen Energy

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A5: Hydrogen Energy".

Deadline for manuscript submissions: 20 December 2025 | Viewed by 721

Special Issue Editors

Dr. Elvira Spatolisano

E-Mail Website
Guest Editor
Department of Chemistry, Materials and Chemical Engineering “G. Natta”, Politecnico di Milano, 20133 Milano, Italy
Interests: sustainable process design; H2 transport value-chains; H2 carriers; carbon-free energy carriers; downstream separations in bio-processes; H2S valorization
Prof. Dr. Giorgio Vilardi

E-Mail Website
Guest Editor
Department of Chemical Engineering Materials Environment, Sapienza University of Rome, 00185 Rome, Italy
Interests: carbon capture and conversion; hard-to-abate sectors decarbonization; process intensification; waste thermochemical conversion
Special Issues, Collections and Topics in MDPI journals
Dr. Domenico Flagiello

E-Mail Website
Guest Editor
Department of Chemical, Materials and Production Engineering, University of Naples “Federico II”, 80125 Naples, Italy
Interests: flue-gas cleaning; carbon capture technologies; separation and purification processes; fuel cells
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Green hydrogen is perceived as a promising energy carrier due to its potential to decarbonize the energy system, particularly in areas where direct electrification cannot be achieved, enabling countries to meet climate targets.

The development of efficient sustainable hydrogen production, storage, and distribution technologies has gained momentum, though challenges remain for competitive market adoption for a wide number of applications, such as the mobility sector (especially light-duty vehicles and maritime transport) or industrial sectors (such as chemical feedstock manufacture or power production). H2 has a very low density and high volatility, which imply energy-intensive compression or liquefaction for long-distance transport. Additionally, cost reductions across the entire hydrogen value chain—production, storage, transportation, and end-use technologies—are essential.

In this respect, the aim of this Special Issue is to collect scientific contributions focused on critical aspects of hydrogen’s implementation as an energy carrier, from the process design point of view. The purpose is to emphasize the technological developments required for hydrogen to play a central role in the future energy landscape.

We welcome original research articles, review papers, and case studies related, but not limited to:

  • Sustainable H2 production;
  • Advances in electrolyzers for green H2 production;
  • H2 transport through H2 carriers;
  • Techno-economic assessment of H2 value-chains;
  • H2 purification for its application industrial and mobility sectors;
  • Process intensification for cost drivers of H2 value chains.

Dr. Elvira Spatolisano
Prof. Dr. Giorgio Vilardi
Dr. Domenico Flagiello
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • sustainable H2 production
  • H2 fuel cells
  • H2 transport
  • H2 value chains
  • H2 purification
  • process intensification

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Published Papers (2 papers)

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Research

21 pages, 1353 KiB  
Article
Hydrogen Cost and Carbon Analysis in Hollow Glass Manufacturing
by Dario Atzori, Claudia Bassano, Edoardo Rossi, Simone Tiozzo, Sandra Corasaniti and Angelo Spena
Energies 2025, 18(15), 4105; https://doi.org/10.3390/en18154105 (registering DOI) - 2 Aug 2025
Abstract
The European Union promotes decarbonization in energy-intensive industries like glass manufacturing. Collaboration between industry and researchers focuses on reducing CO2 emissions through hydrogen (H2) integration as a natural gas substitute. However, to the best of the authors’ knowledge, no updated [...] Read more.
The European Union promotes decarbonization in energy-intensive industries like glass manufacturing. Collaboration between industry and researchers focuses on reducing CO2 emissions through hydrogen (H2) integration as a natural gas substitute. However, to the best of the authors’ knowledge, no updated real-world case studies are available in the literature that consider the on-site implementation of an electrolyzer for autonomous hydrogen production capable of meeting the needs of a glass manufacturing plant within current technological constraints. This study examines a representative hollow glass plant and develops various decarbonization scenarios through detailed process simulations in Aspen Plus. The models provide consistent mass and energy balances, enabling the quantification of energy demand and key cost drivers associated with H2 integration. These results form the basis for a scenario-specific techno-economic assessment, including both on-grid and off-grid configurations. Subsequently, the analysis estimates the levelized costs of hydrogen (LCOH) for each scenario and compares them to current and projected benchmarks. The study also highlights ongoing research projects and technological advancements in the transition from natural gas to H2 in the glass sector. Finally, potential barriers to large-scale implementation are discussed, along with policy and infrastructure recommendations to foster industrial adoption. These findings suggest that hybrid configurations represent the most promising path toward industrial H2 adoption in glass manufacturing. Full article
(This article belongs to the Special Issue Techno-Economic Evaluation of Hydrogen Energy)
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22 pages, 1451 KiB  
Article
Techno-Economic Assessment of Hydrogen-Based Power-to-Power Systems: Operational Strategies and Feasibility Within Energy Communities
by Lucia Pera, Marta Gandiglio and Paolo Marocco
Energies 2025, 18(13), 3254; https://doi.org/10.3390/en18133254 - 21 Jun 2025
Cited by 1 | Viewed by 371
Abstract
In the context of the evolving energy landscape, the need to harness renewable energy sources (RESs) has become increasingly imperative. Within this framework, hydrogen emerges as a promising energy storage vector, offering a viable solution to the flexibility challenges caused by the inherent [...] Read more.
In the context of the evolving energy landscape, the need to harness renewable energy sources (RESs) has become increasingly imperative. Within this framework, hydrogen emerges as a promising energy storage vector, offering a viable solution to the flexibility challenges caused by the inherent variability of RESs. This work investigates the feasibility of integrating a hydrogen-based energy storage system within an energy community in Barcelona, using surplus electricity from photovoltaic (PV) panels. A power-to-power configuration is modelled through a comprehensive methodology that determines optimal component sizing, based on high-resolution real-world data. This analysis explores how different operational strategies influence the system’s cost-effectiveness. The methodology is thus intended to assist in the early-stage decision-making process, offering a flexible approach that can be adapted to various market conditions and operational scenarios. The results show that, under the current conditions, the combination of PV generation, energy storage, and low-cost grid electricity purchases yield the most favourable outcomes. However, in a long-term perspective, considering projected cost reductions for hydrogen technologies, strategies including energy sales back to the grid become more profitable. This case study offers a practical example of balancing engineering and economic considerations, providing replicable insights for designing hydrogen storage systems in similar energy communities. Full article
(This article belongs to the Special Issue Techno-Economic Evaluation of Hydrogen Energy)
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