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Novel and Emerging Energy Systems

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

Deadline for manuscript submissions: 15 July 2025 | Viewed by 1154

Special Issue Editors

The Institute of Reactive Flows and Diagnostics, Technical University of Darmstadt, 64287 Darmstadt, Germany
Interests: ammonia/hydrogen combustion; internal combustion engine; optical diagnostics; combined heating and power; heat pump
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Guest Editor
College of Physical Sciences and Engineering, Cardiff University, Cardiff, UK
Interests: renewable fuels; concentrator photovoltaics; thermoelectrics; spectrum splitting; solar energy
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Institute of Thermal Science, Poznan University of Technology, Piotrowo 3, 60-965 Poznan, Poland
Interests: flameless combustion; biomass thermal conversion; pollutant emission

Special Issue Information

Dear Colleagues,

This Special Issue of Energies is dedicated to advancing the understanding of novel and emerging energy systems, bridging the gap between conventional and renewable technologies while exploring future directions and industry insights. Bringing together a collection of cutting-edge research papers, this Special Issue provides a comprehensive overview of the latest advancements in energy technologies that are shaping the future of global energy production and consumption.

The aim of this Special Issue is to capture the multidisciplinary nature of modern energy research, ranging from technological innovations in conventional energy systems to the development and integration of renewable sources such as solar, wind and bioenergy, and systems powered by renewable fuels such as ammonia and hydrogen. It includes thorough literature reviews and research studies that assess the progress, challenges and opportunities in novel energy systems, highlighting both their potential and limitations in achieving a more sustainable energy landscape.

Technological advancements are a key focus, with contributions discussing emerging trends in energy storage, smart grids and hybrid systems, as well as the role of digitalization, artificial intelligence and data-driven technologies in optimizing energy efficiency and reducing emissions. The Special Issue also features insights from industry professionals, offering a practical perspective on how these innovations are being implemented in real-world applications and the feedback loops driving further improvements.

In summary, this Special Issue serves as a platform for researchers, engineers and industry stakeholders to share knowledge, examine recent advancements and explore the future of energy systems, with the ultimate goal of promoting a transition to cleaner, more efficient and resilient energy solutions.

Dr. Hao Shi
Dr. Mohammad Alnajideen
Dr. Paweł Czyżewski
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

  • energy innovation
  • energy flexibility
  • hybrid energy systems
  • ammonia/hydrogen for power
  • power electronics in renewable energy

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Published Papers (1 paper)

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Research

22 pages, 3550 KiB  
Article
Economic Feasibility of Using Municipal Solid Waste and Date Palm Waste for Clean Energy Production in Qatar
by Ahmad Mohamed S. H. Al-Moftah, Mohammad Alnajideen, Fatima Alafifi, Pawel Czyzewski, Hao Shi, Mohammad Alherbawi, Rukshan Navaratne and Agustin Valera-Medina
Energies 2025, 18(4), 988; https://doi.org/10.3390/en18040988 - 18 Feb 2025
Viewed by 793
Abstract
The transition to clean energy is crucial for mitigating the impacts of climate change and achieving sustainable development. Reliance on fossil fuels, which are integral to manufacturing and transportation, remains a major contributor to greenhouse gas (GHG) emissions. Biomass gasification presents a renewable [...] Read more.
The transition to clean energy is crucial for mitigating the impacts of climate change and achieving sustainable development. Reliance on fossil fuels, which are integral to manufacturing and transportation, remains a major contributor to greenhouse gas (GHG) emissions. Biomass gasification presents a renewable energy alternative that can significantly reduce emissions. However, proper disposal of municipal solid waste (MSW) and agricultural residues, such as date palm waste (DPW), is an increasing global challenge, including in Qatar. This study evaluates the economic feasibility of implementing an MSW and DPW gasification plant for clean electricity generation in Qatar. The country’s growing population and economic development have led to substantial waste production, making it an ideal location for waste-to-energy (WTE) initiatives. Using discounted cash flow (DCF) analysis, the study estimates the capital cost of a 373 MWth facility at approximately $12.07 million, with annual operating costs of about $4.09 million and revenue of $26.88 million in 2023. The results indicate a net present value (NPV) of $245.77 million, a return on investment (ROI) of 84.80%, a payback period of approximately 5 years over a 20-year project lifetime and a net reduction of 206,786 tonnes CO2 annually. These findings demonstrate the economic viability of biomass gasification in Qatar while contributing to reduced GHG emissions and advancing the country’s sustainability goals under Qatar National Vision 2030. Full article
(This article belongs to the Special Issue Novel and Emerging Energy Systems)
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