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Energies publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Challenges to Transient Stability of Power Grids with Increasing Inverter-Based Energy Resources and Contempary Solutions
edited by John N. Jiang, Roy McCann and
submission deadline 5 Nov 2025 | Viewed by 186 | Submission Open
Keywords: renewable energy; power grid; machine learning; artificial intelligence; energies storage systems; power systems; inverters
(This special issue belongs to the Section F: Electrical Engineering)
Applications of Artificial Intelligence in the Sustainable Operation of Desalination and Renewable Energy Systems
edited by Muhammad Wajid Saleem and Hassan Ali
submission deadline 5 Nov 2025 | Viewed by 118 | Submission Open
Keywords: artificial intelligence in water treatment; the optimization of sustainable energy systems; renewable energy integration with desalination; AI for water-derived energy efficiency; smart water desalination technologies; machine learning in renewable energy forecasting; hybrid renewable energy solutions; energy consumption optimization with AI; AI-driven performance enhancement in energy systems; data-driven solutions for water desalination
(This special issue belongs to the Section B: Energy and Environment)
Optimization and Integrated Design of Sustainable and Renewable Energy Systems
edited by Wenye Lin
submission deadline 5 Nov 2025 | Viewed by 95 | Submission Open
Keywords: integrated energy systems; energy management; energy flexibility; multiple energy complementary; design optimization; optimal energy dispatching; renewable energy
(This special issue belongs to the Section A: Sustainable Energy)
Advances in Hydrogen and Energy Transition: 2nd Edition
edited by and
submission deadline 5 Nov 2025 | Viewed by 56 | Submission Open
Keywords: hydrogen infrastructure; hydrogen production; hydrogen usage; hydrogen storage; integrated hydrogen energy systems; sustainable energy systems; Power-to-X
(This special issue belongs to the Section C: Energy Economics and Policy)
Nanomaterials for Sustainable Energy and Environmental Applications
edited by Joy Sankar Roy
submission deadline 5 Nov 2025 | Viewed by 48 | Submission Open
Keywords: nanomaterials; renewable energy; energy storage; energy conversion; solar energy; photocatalysis; electrocatalysis; environmental remediation; water treatment
(This special issue belongs to the Section D1: Advanced Energy Materials)
Design and Production Process Optimization for High Performance and Energy Efficiency in Electrical Machines—2nd Edition
edited by
submission deadline 5 Nov 2025 | Viewed by 41 | Submission Open
Keywords: electrical machines; design optimization; production process optimization; high performance; energy efficiency; advanced materials; electromagnetic design; electrical insulation; manufacturing processes; design optimization algorithms; artificial intelligence; machine learning
(This special issue belongs to the Section F: Electrical Engineering)
Conversion and High-Value Utilization of Biomass Resources
edited by
submission deadline 6 Nov 2025 | Viewed by 46 | Submission Open
Keywords: biomass; biomass conversion; pellet; combustion; exhaust emissions; waste management; heat flow; computer modeling and simulations
(This special issue belongs to the Section A: Sustainable Energy)
Leveraging Flexibility Resources to Enhance Renewable Energy Integration and Grid Stability
edited by Yikui Liu, Qian Li and Jinjing Tan
submission deadline 7 Nov 2025 | 9 articles | Viewed by 7466 | Submission Open
Keywords: renewable energy integration; grid flexibility; market incentives; distributed energy resources; energy storage systems; grid stability
(This special issue belongs to the Section A: Sustainable Energy)
New Insights into Hybrid Renewable Energy Systems in Buildings submission deadline 10 Nov 2025 | 5 articles | Viewed by 8410 | Submission Open
Keywords: hybrid renewable energy; electrical vehicles; energy storage; smart buildings; building management system
(This special issue belongs to the Section G: Energy and Buildings)
Recent Advances in Oil Shale Conversion Technologies
edited by
submission deadline 10 Nov 2025 | 5 articles | Viewed by 6906 | Submission Open
Keywords: oil shale; conversion; pyrolysis; in situ; catalytic
(This special issue belongs to the Section H: Geo-Energy)
The Interplay Between Technologies and Energy Policies for Reducing the Environmental Impact of Transportation: Scenarios and Case Studies
edited by
submission deadline 10 Nov 2025 | 3 articles | Viewed by 6784 | Submission Open
Keywords: energy and transport; passenger and freight transport and energy consumption; transport modes: road; rail; maritime and air; regulation; fiscal and energy policies; total cost of ownership of transport vehicles; energy efficiency and transport vehicles; GHG emission reduction; renewable energy and transport; electrification and innovative fuels and powertrains
(This special issue belongs to the Section C: Energy Economics and Policy)
Power Quality and Disturbances in Modern Distribution Networks submission deadline 10 Nov 2025 | 4 articles | Viewed by 5942 | Submission Open
Keywords: power quality disturbance; harmonics; power system virtual/synthetic inertia; power converters control; microgrid power quality
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Development of Distributed Energy Systems Based on Renewable Energy Sources—Current Status and Development Prospects
edited by , Jakub Grela and Rafał Andrzejczyk
submission deadline 10 Nov 2025 | 5 articles | Viewed by 5185 | Submission Open
Keywords: renewable energy sources; distributed energy; hybrid systems; photovoltaic; heat pump; small wind turbine; small water turbine; small biogas installation; building energy management systems; demand side management and response; IoT applications and artificial intelligence
(This special issue belongs to the Section A: Sustainable Energy)
Enhanced Oil Recovery: Numerical Simulation and Deep Machine Learning
edited by Maojie Chai, and
submission deadline 10 Nov 2025 | 5 articles | Viewed by 3536 | Submission Open
Keywords: enhanced oil recovery (EOR); numerical simulation; machine learning; data-driven approach
(This special issue belongs to the Section H: Geo-Energy)
Advancement of Experimental and Modeling Approaches for Development of Hydrogen Energy Systems
edited by
submission deadline 10 Nov 2025 | 3 articles | Viewed by 3094 | Submission Open
Keywords: hydrogen fuel; electrolyzers; fuel cells; hydrogen liquefiers; computational fluid dynamics; cryogenics; two-phase flow; system instabilities; techno-economic analysis
(This special issue belongs to the Section A5: Hydrogen Energy)
Clean Use of Fuels: Future Trends and Challenges submission deadline 10 Nov 2025 | 2 articles | Viewed by 1714 | Submission Open
Keywords: pollutant control; renewable fuels; fossil fuels; waste-to-energy; techno-economic and life cycle assessments; process simulation and modeling; fuels for sustainable transport; decentralized use of fuels for homes; production optimization; waste reduction and valorization
(This special issue belongs to the Section B: Energy and Environment)
Study on Biomass Gasification and Pyrolysis Process
edited by and Halina Pawlak-Kruczek
submission deadline 10 Nov 2025 | 1 articles | Viewed by 1509 | Submission Open
Keywords: biomass gasification; pyrolysis; plasma; modeling; experiment
(This special issue belongs to the Section A4: Bio-Energy)
Advanced Energy Conversion Technologies Based on Energy Physics
edited by Xiaoyang Wang, Jie Gao, Jianhua Zhou and Lei Miao
submission deadline 10 Nov 2025 | 1 articles | Viewed by 1260 | Submission Open
Keywords: energy conversion technologies; energy physics; solar energy; photovoltaics; thermoelectric conversion; thermionic conversion; chemical energy; fuel cells; hydrogen production; bioenergy; biomass; biofuels; advanced materials; nanomaterials; computational methods; modeling and simulation; sustainable energy; renewable energy; waste heat recovery; catalysis; reaction engineering
(This special issue belongs to the Section A: Sustainable Energy)
Towards Sustainable Energy Development: Energy Efficiency and Economic Growth
edited by
submission deadline 10 Nov 2025 | 1 articles | Viewed by 809 | Submission Open
Keywords: energy efficiency; economic growth; renewable energy integration; environmental sustainability; energy policy; technological innovation; climate; sustainable development goals; energy transition; green economy
(This special issue belongs to the Section C: Energy Economics and Policy)
Development of Intelligent Electric Vehicles and Smart Transportation—2nd Edition
edited by and
submission deadline 10 Nov 2025 | 2 articles | Viewed by 660 | Submission Open
Keywords: electric vehicles; hybrid vehicles; intelligent vehicle systems; intelligent transportation; autonomous vehicle
(This special issue belongs to the Section E: Electric Vehicles)
Research on Operation Optimization of Integrated Energy Systems submission deadline 10 Nov 2025 | 1 articles | Viewed by 489 | Submission Open
Keywords: multi-energy flow management; renewable energy integration; smart grid control strategies; decentralized energy optimization
(This special issue belongs to the Section F5: Artificial Intelligence and Smart Energy)
Artificial Intelligence in Photovoltaic Systems: Advanced Modeling, Optimization, Forecasting, and Fault Diagnosis
edited by and
submission deadline 10 Nov 2025 | 1 articles | Viewed by 444 | Submission Open
Keywords: artificial intelligence (AI); photovoltaic systems (PV); solar energy; performance prediction; fault detection; predictive maintenance; maximum power point tracking (MPPT); PV system optimization; solar forecasting; energy storage; microgrid management; smart grid integration; IoT in renewable energy; hybrid AI models; multi-agent systems; data-driven control; sustainable energy transition
(This special issue belongs to the Section A2: Solar Energy and Photovoltaic Systems)
Phase Change Materials for Thermal Energy Storage: Advances and Applications
edited by Giuseppe Langella, Abolfazl Nematpourkeshteli, and
submission deadline 10 Nov 2025 | 1 articles | Viewed by 443 | Submission Open
Keywords: thermal energy storage; phase changing materials; advanced materials for thermal storage; metal foams; nanoparticles; smart thermal energy storage systems
(This special issue belongs to the Section G2: Phase Change Materials for Energy Storage)
Energy Transition Towards Climate Neutrality
edited by and Mafalda Silva
submission deadline 10 Nov 2025 | Viewed by 349 | Submission Open
Keywords: energy transition; policy; pathways; renewable energy; energy efficiency; just transitions
(This special issue belongs to the Section B: Energy and Environment)
Advanced Technologies for the Integration of Marine Energies
edited by and
submission deadline 10 Nov 2025 | Viewed by 253 | Submission Open
Keywords: offshore wind generator; wave energy converter; power take-off; grid integration; frequency regulation; voltage support; energy storage; off-grid green hydrogen; modelling; control strategy; social acceptance; environmental impact
(This special issue belongs to the Section A: Sustainable Energy)
Recent Research on Biomass and Waste Pyrolysis for Sustainable Fuel Production
edited by Shiliang Wu and Dongxu Cui
submission deadline 10 Nov 2025 | 1 articles | Viewed by 238 | Submission Open
Keywords: biomass pyrolysis; waste-to-energy; sustainable fuels; catalytic upgrading; circular economy; thermochemical conversion
(This special issue belongs to the Section A: Sustainable Energy)
Advances in Electrocatalysts for Hydrogen Evolution and Fuel Cells
edited by Yaqi Cheng and Qilun Wang
submission deadline 10 Nov 2025 | Viewed by 191 | Submission Open
Keywords: electrocatalyst; hydrogen evolution reaction; hydrogen oxidation reaction; oxygen reduction reaction; fuel cells; activity and stability
(This special issue belongs to the Section A5: Hydrogen Energy)
New Design and Research on Offshore Wave and Tide Energy Technologies
edited by Zhanhong Wan and Guiyu Cao
submission deadline 10 Nov 2025 | Viewed by 185 | Submission Open
Keywords: assessment of tidal energy resources; realistic turbulent inflows; tide and wave interactions; tidal turbine design and optimization; tidal turbine hydrodynamics; tidal turbine array and blockage effects; tidal wakes; wave power generation device design; hydrodynamic analysis; theoretical model optimization; evaluation of wave energy capture efficiency; simulation of hydraulic power output system; array parameter influence; array algorithm optimization; multi-body platform linkage simulation; coupling between floating body and platform
(This special issue belongs to the Section A3: Wind, Wave and Tidal Energy)
New Challenges in Power Flow Optimization for Integrated Power Systems
edited by
submission deadline 10 Nov 2025 | Viewed by 149 | Submission Open
Keywords: power flow modeling and optimization; integration of renewable and distributed energy resources; simulation of smart grids and microgrids; real-time power flow control and management; optimization through energy storage system integration; enhancing power grid stability and efficiency; design of hybrid energy systems; AI- and machine learning-based power flow optimization; innovative protection and control strategies
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Sustainable Energy Futures: Economic Policies and Market Trends submission deadline 10 Nov 2025 | Viewed by 131 | Submission Open
Keywords: sustainable energy; economic policies; policy contagion; connectedness; spillover; renewable energy; energy market; artificial intelligence (AI)
(This special issue belongs to the Section C: Energy Economics and Policy)
Challenges and Future Trends of Artificial Intelligence for Energy Management
edited by
submission deadline 10 Nov 2025 | Viewed by 102 | Submission Open
Keywords: artificial intelligence (AI); deep learning; digital twins; energy management; smart grids; energy forecasting; distributed energy; renewable resources
(This special issue belongs to the Section F5: Artificial Intelligence and Smart Energy)
Innovations in Thermal Energy Processes and Management
edited by and Yunlin Shao
submission deadline 10 Nov 2025 | Viewed by 98 | Submission Open
Keywords: thermal energy systems; thermal management; phase change materials; smart thermal management; energy efficiency; sustainable energy
(This special issue belongs to the Section J: Thermal Management)
High Efficiency, Quality, and Stable Operation Technology for Flexible Distribution Networks submission deadline 10 Nov 2025 | Viewed by 97 | Submission Open
Keywords: distribution networks; flexible regulation equipment; operation control; optimal dispatching; power quality management; emergency power support; grid-following/grid-forming converters
(This special issue belongs to the Section F1: Electrical Power System)
Advances in Novel Fuels—Production, Combustion, and Application: 2nd Edition submission deadline 10 Nov 2025 | Viewed by 94 | Submission Open
Keywords: synthetic sustainable fuels including e-fuels and biofuels; aviation fuels; maritime fuels; fuels for road transport; sustainable energy for power generation; production; market launch; regulations; certification and specification; techno-economic analysis; life-cycle analysis (LCA); computational fluid dynamics (CFD); combustion; engine; gas turbine; generic experiments; reduction in pollutants; emissions and their impact on the environment (e.g.; global warming potential— GWP non-CO2-effects and human health); chemical kinetic modeling; generation of detailed and reduced reaction models; machine learning; artificial intelligence
(This special issue belongs to the Section I1: Fuel)
Recent Developments of Wind Energy: 2nd Edition
edited by
submission deadline 10 Nov 2025 | Viewed by 89 | Submission Open
Keywords: dynamics and control; power electronics; generators; power transmission and distribution; wind rotor technology; wind farm planning; wind loads and structural response; optimization of energy systems
(This special issue belongs to the Section A3: Wind, Wave and Tidal Energy)
Solar Energy Conversion and Storage Technologies submission deadline 10 Nov 2025 | Viewed by 76 | Submission Open
Keywords: solar energy conversion; thermal energy storage; photovoltaic systems; concentrated solar thermal; hybrid renewable energy systems; energy optimization and sustainability; multiple energy storage
(This special issue belongs to the Section A2: Solar Energy and Photovoltaic Systems)
Advanced Inverter Technologies: Enhancing Efficiency in Power Conversion Systems
edited by Li Zhang and
submission deadline 10 Nov 2025 | Viewed by 64 | Submission Open
Keywords: power converter technologies; renewable sourced generation; smart grid; electric vehicles; wide-bandgap switching devices
(This special issue belongs to the Section F3: Power Electronics)
Thermal Hydraulics and Modelling for Nuclear Energy Systems
edited by
submission deadline 10 Nov 2025 | Viewed by 59 | Submission Open
Keywords: thermal fluid systems; heat transfer; thermal hydraulics; nuclear reactor systems; modelling and simulation; digital twins; nuclear energy
(This special issue belongs to the Section A: Sustainable Energy)
Advances in Marine Energy Storage Technology
edited by
submission deadline 10 Nov 2025 | Viewed by 55 | Submission Open
Keywords: compressed air energy storage; oil & gas storage; thermal energy storage; flexible gas storage technology; hydrogen storage; AI/ML-based control; renewable energy integration; efficient energy conversion
(This special issue belongs to the Section D: Energy Storage and Application)
Trends and Prospects in DC–DC/DC–AC Converters and Their Control Techniques for Renewable Energy Applications: 2nd Edition
edited by
submission deadline 10 Nov 2025 | Viewed by 48 | Submission Open
Keywords: DC– DC/DC– AC converters; control strategies; modulation techniques; renewable energy; power electronics
(This special issue belongs to the Section F: Electrical Engineering)
Innovative Bio-Based Construction Strategies for Near-Zero Energy Buildings with Low Carbon Footprints
edited by Xunzhi Yin and
submission deadline 10 Nov 2025 | Viewed by 46 | Submission Open
Keywords: bio-based building materials; straw-based building; low-cost; near-zero and zero energy building; passive low-energy design
(This special issue belongs to the Section G: Energy and Buildings)
Carbon Dioxide Capture, Utilization and Storage (CCUS): 3rd Edition submission deadline 10 Nov 2025 | Viewed by 35 | Submission Open
Keywords: CO2 capture; CO2 conversion and reduction; biomass thermal conversion; Oxy-fuel or chemical looping combustion; CO2 storage; CO2 mineralization; other greenhouse gas emissions control
(This special issue belongs to the Section B: Energy and Environment)
Evaluating the Impact of Energy Policies and Energy Economics: Trends, Risks and Challenges submission deadline 10 Nov 2025 | Viewed by 32 | Submission Open
Keywords: energy transition; green deal; clean energies; renewable energies; green energies; blue energies; climate-neutral energies; reduction of polluting energies; wellbeing economics and energy; energy efficiency; energy markets; sustainable development goals
(This special issue belongs to the Section C: Energy Economics and Policy)
Solar Cells: Materials Design and Performance Optimization
edited by and
submission deadline 10 Nov 2025 | Viewed by 29 | Submission Open
Keywords: perovskite solar cells; quantum dot solar cells; thin-film technologies; stability enhancement; AI-driven optimization; tandem/bifacial PV; interface engineering; advanced characterization
(This special issue belongs to the Section A2: Solar Energy and Photovoltaic Systems)
Energy Saving, Efficiency, and Conversion in Renewable and Sustainable Energy submission deadline 14 Nov 2025 | 1 articles | Viewed by 977 | Submission Open
Keywords: energy transition; energy efficiency; renewable energy systems; energy transition technologies; energy policies and incentives
(This special issue belongs to the Section A: Sustainable Energy)
Wireless Charging Technologies for Electric Vehicles
edited by , Xin Gao and Ying Liu
submission deadline 15 Nov 2025 | 2 articles | Viewed by 2225 | Submission Open
Keywords: wireless charging; electric vehicles; magnetic coupler; resonant compensation; converter; system control; performance improvement; applications
(This special issue belongs to the Section E: Electric Vehicles)
Performance and Emissions of Advanced Fuels in Combustion Engines
edited by , Dai Liu and
submission deadline 19 Nov 2025 | 2 articles | Viewed by 881 | Submission Open
Keywords: low-carbon technologies; combustion engines; alternative fuels; hydrogen; ammonia; ethanol; methanol; modelling; testing
(This special issue belongs to the Section I2: Energy and Combustion Science)
Latest Advances of Multiphase Flow and Heat and Mass Transfer
edited by and Jialin Su
submission deadline 19 Nov 2025 | Viewed by 417 | Submission Open
Keywords: multiphase flow; reactive flow; heat and mass transfer; numerical simulation; experiment; aerospace propulsion; energy
(This special issue belongs to the Section J1: Heat and Mass Transfer)
Energy from Waste: Optimizing Recovery Processes in Wastewater Treatment submission deadline 19 Nov 2025 | Viewed by 44 | Submission Open
Keywords: wastewater energy recovery; energy from wastewater; wastewater treatment energy; biogas production wastewater; direct osmosis wastewater (DO); reverse electrodialysis wastewater (RED); wastewater heat recovery; sustainable wastewater treatment; circular economy wastewater; optimizing wastewater treatment energy
(This special issue belongs to the Section B: Energy and Environment)
Sustainable Energy Management for a Circular Economy submission deadline 20 Nov 2025 | 4 articles | Viewed by 13030 | Submission Open
Keywords: primary resource consumption; barriers to renewable energy expansion; management of energy industry supply; costs of transition towards renewable energy; recycling of solar panels; energy turbines; mills; and batteries; rising demand for rare-earth elements; managerial solutions allowing the use of untapped resources contained in used batteries; transfer of knowledge and intersectional clusters for novel solutions
(This special issue belongs to the Section C: Energy Economics and Policy)
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