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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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New Challenges in Power Flow Optimization for Integrated Power Systems
edited by
submission deadline 10 Nov 2025 | 1 articles | Viewed by 534 | 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)
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 533 | 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)
Energy Transition Towards Climate Neutrality
edited by and Mafalda Silva
submission deadline 10 Nov 2025 | Viewed by 437 | 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 328 | 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)
Advances in Electrocatalysts for Hydrogen Evolution and Fuel Cells
edited by Yaqi Cheng and Qilun Wang
submission deadline 10 Nov 2025 | Viewed by 225 | 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 222 | 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)
Challenges and Future Trends of Artificial Intelligence for Energy Management
edited by
submission deadline 10 Nov 2025 | Viewed by 167 | 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 137 | 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)
Solar Energy Conversion and Storage Technologies submission deadline 10 Nov 2025 | Viewed by 120 | 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)
Recent Developments of Wind Energy: 2nd Edition
edited by
submission deadline 10 Nov 2025 | Viewed by 119 | 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)
Thermal Hydraulics and Modelling for Nuclear Energy Systems
edited by
submission deadline 10 Nov 2025 | Viewed by 115 | 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 Novel Fuels—Production, Combustion, and Application: 2nd Edition submission deadline 10 Nov 2025 | Viewed by 107 | 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)
Advanced Inverter Technologies: Enhancing Efficiency in Power Conversion Systems
edited by Li Zhang and
submission deadline 10 Nov 2025 | Viewed by 97 | 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)
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 92 | 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)
Carbon Dioxide Capture, Utilization and Storage (CCUS): 3rd Edition submission deadline 10 Nov 2025 | Viewed by 88 | 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)
Advances in Marine Energy Storage Technology
edited by
submission deadline 10 Nov 2025 | Viewed by 84 | 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)
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 83 | 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)
Solar Cells: Materials Design and Performance Optimization
edited by and
submission deadline 10 Nov 2025 | Viewed by 57 | 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 | 2 articles | Viewed by 1646 | 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 | 3 articles | Viewed by 3129 | 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 1942 | 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 437 | 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 95 | 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 22979 | 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)
Smart Grid and Energy Storage
edited by
submission deadline 20 Nov 2025 | 9 articles | Viewed by 12185 | Submission Open
Keywords: smart grid; energy storage; renewable energy integration; demand response
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Artificial Intelligence and Machine Learning New Concepts in SMART Energy Systems submission deadline 20 Nov 2025 | 2 articles | Viewed by 8770 | Submission Open
Keywords: application of AI and ML for the effective use of energy storage; using the Internet of Things to minimize energy consumption; costs and emissions; optimization of energy flow; smart energy optimization; smart energy systems: smart power system control; smart thermal system control; smart cross-sector control; the utilization of clean or renewable energy; the reliability and resilience of energy systems; system integration among multiple energy sectors
(This special issue belongs to the Section F5: Artificial Intelligence and Smart Energy)
Energy Poverty Alleviation, Renewable Energy Investment and High-quality Economic Development in Emerging Economies
edited by
submission deadline 20 Nov 2025 | 2 articles | Viewed by 6645 | Submission Open
Keywords: energy poverty alleviation; renewable energy investment; energy policies; renewable energy projects; technological innovation; energy transition; energy transformation partnership
(This special issue belongs to the Section C: Energy Economics and Policy)
Advances in Optimal Control and Smart Operation of Renewable Energy Systems
edited by Zhihuai Xiao, Dong Liu, , Yan Ren and Jingjing Zhang
submission deadline 20 Nov 2025 | 6 articles | Viewed by 6421 | Submission Open
Keywords: hydropower; wind power; photovoltaic power generation; nonlinear modelling; stability analysis; fault diagnosis; trend prediction; state assessment; optimal control; system integration; multi-energy complementarity; multi-field coupling; system capacity allocation; joint dispatch optimization; artificial intelligence; optimization algorithm
(This special issue belongs to the Section A: Sustainable Energy)
Economic Approaches to Energy, Environment and Sustainability
edited by
submission deadline 20 Nov 2025 | 5 articles | Viewed by 5905 | Submission Open
Keywords: energy economics; environmental economics; sustainability economics
(This special issue belongs to the Section C: Energy Economics and Policy)
Recent Studies on Flow, Atomization, and Combustion in Swirl Combustors
edited by Cunxi Liu and Qiang An
submission deadline 20 Nov 2025 | 5 articles | Viewed by 5785 | Submission Open
Keywords: swirling flows; spray combustion; atomization; optical diagnostics; alternative fuels; flame dynamics
(This special issue belongs to the Section I2: Energy and Combustion Science)
Advanced Structures, Fault Diagnosis and Tolerant Control of Permanent Magnet Synchronous Motors: 2nd Edition
edited by and
submission deadline 20 Nov 2025 | 3 articles | Viewed by 4481 | Submission Open
Keywords: novel PMSM structures; air gap filed modulation theory; advanced PMSM control strategies; electric machine theory and analysis methods; servo motor; high-precision control; magnetic field modulation; winding theory; system-level optimization on drive systems; innovative design methodology; fault diagnosis; tolerance algorithm; linear PMSM technology
(This special issue belongs to the Section F: Electrical Engineering)
Advanced Energy Technologies and Energy Savings: Low Emissions and High Efficiency
edited by Shujun Zhu, Shuai Guo, and Lianfei Xu
submission deadline 20 Nov 2025 | 3 articles | Viewed by 4353 | Submission Open
Keywords: renewable energy; traditional energy; energy saving; high efficiency; low emissions
(This special issue belongs to the Section B: Energy and Environment)
Current Advances in Fuel Cell and Batteries
edited by
submission deadline 20 Nov 2025 | 3 articles | Viewed by 4277 | Submission Open
Keywords: electrochemical energy storage; batteries; lithium-ion technology; fuel cells; advanced technologies; abuse tests; safety issues; modeling; experimental tests; fuel cell balance of plant; electrode materials
(This special issue belongs to the Section D2: Electrochem: Batteries, Fuel Cells, Capacitors)
Novel Research on Renewable Power and Hydrogen Generation
edited by
submission deadline 20 Nov 2025 | 3 articles | Viewed by 4042 | Submission Open
Keywords: renewable energy technologies; solar energy; wind energy; bioenergy; hydrogen energy; hydrogen generation; fuel cells
(This special issue belongs to the Section A: Sustainable Energy)
Recent Advances in Energy Combustion and Flame
edited by Xianchang Li and Pritam Dey
submission deadline 20 Nov 2025 | 3 articles | Viewed by 3906 | Submission Open
Keywords: flame; engines; renewable fuel; combustion modeling; emissions control
(This special issue belongs to the Section I2: Energy and Combustion Science)
Smart Optimization and Renewable Integrated Energy System submission deadline 20 Nov 2025 | 2 articles | Viewed by 3873 | Submission Open
Keywords: distributed renewable energies; energy storage systems; energy management system; smart grids; microgrids; nanogrids; off-grid electrical systems; frequency control and stabilization; resilience in modern electrical systems; energy control and optimization systems
(This special issue belongs to the Section B: Energy and Environment)
Energy Policies and Sustainable Development submission deadline 20 Nov 2025 | 3 articles | Viewed by 2953 | Submission Open
Keywords: sustainable energy systems; energy strategies; energy economy; energy efficiency; renewable energy sources; energy supply and demand; energy policy
(This special issue belongs to the Section C: Energy Economics and Policy)
Future Fuel Technologies and Advanced Research on Turbulent Combustion
edited by Jian Zhang
submission deadline 20 Nov 2025 | 2 articles | Viewed by 2382 | Submission Open
Keywords: combustion technology; alternative green fuels; turbulent combustion; theoretical analysis; numerical simulation; experimental study
(This special issue belongs to the Section I2: Energy and Combustion Science)
Recent Advances in Biomass Energy Torrefaction, Pyrolysis and Gasification Technologies
edited by
submission deadline 20 Nov 2025 | 2 articles | Viewed by 2293 | Submission Open
Keywords: pyrolysis; pyrolysis oil; dry torrefaction; wet torrefaction; steam torrefaction; biofuels; biochar; gasification; synthesis of gas; byproducts
(This special issue belongs to the Section A4: Bio-Energy)
Biotechnological Innovations for Waste/Wastewater Treatment and Energy Generation: Challenges and Opportunities submission deadline 20 Nov 2025 | 1 articles | Viewed by 1924 | Submission Open
Keywords: waste-to-energy technologies; wastewater treatment; energy production; resource recovery; micropollutants; anaerobic digestion; environmental biotechnologies; microbiome; circular economy
(This special issue belongs to the Section B: Energy and Environment)
Emerging Trends and Challenges in Zero-Energy Districts submission deadline 20 Nov 2025 | 1 articles | Viewed by 1612 | Submission Open
Keywords: sustainable energy; energy efficiency; urban sustainability; renewable energy communities; positive energy districts; sustainability certifications
(This special issue belongs to the Section G: Energy and Buildings)
Energy Efficiency and Comfort for Net-Zero-Energy Buildings
edited by
submission deadline 20 Nov 2025 | 1 articles | Viewed by 1461 | Submission Open
Keywords: energy savings; energy efficiency; renewable energy systems; net-zero energy buildings
(This special issue belongs to the Section G: Energy and Buildings)
Waste to Energy: Low-Carbon Resource and Energy Utilization from Solid Wastes with Pollution Control
edited by
submission deadline 20 Nov 2025 | 2 articles | Viewed by 1364 | Submission Open
Keywords: waste to energy; low carbon; resource recycling; pollution control
(This special issue belongs to the Section B: Energy and Environment)
Qualitative Analysis and Environmental Sustainability Assessment of Energy: 2nd Edition submission deadline 20 Nov 2025 | 1 articles | Viewed by 1192 | Submission Open
Keywords: green energy; innovation and production; energy and climate; sustainable energy; quality management; quality of life; energy efficiency; energy and environmental security; energy economics; responsible management; quality and environmental systems in energy transformation; production management role in energy transformation; recycling management; energy markets; energy transformation; sustainable mobility; electromobility; environmental policies; environmental sustainability; corporate social responsibility; economy 4.0; Industry 4.0
(This special issue belongs to the Section B: Energy and Environment)
Energy Management and Life Cycle Assessment for Sustainable Energy
edited by and Ante Čikić
submission deadline 20 Nov 2025 | 1 articles | Viewed by 1096 | Submission Open
Keywords: energy system; energy management; life cycle assessment; energy efficiency; renewable energy
(This special issue belongs to the Section A: Sustainable Energy)
Clean and Efficient Use of Energy: 3rd Edition submission deadline 20 Nov 2025 | 2 articles | Viewed by 1095 | Submission Open
Keywords: biomass; alternative fuels; CO2 utilization; elimination of pollutants; energy storage and release; electrocatalysis
(This special issue belongs to the Section B: Energy and Environment)
Modeling, Control and Optimization of Wind Power Systems
edited by
submission deadline 20 Nov 2025 | 2 articles | Viewed by 1090 | Submission Open
Keywords: wind power systems; system modeling; control strategies; optimization; fault tolerance; grid integration; hybrid renewable systems; AI applications; advanced materials
(This special issue belongs to the Section A3: Wind, Wave and Tidal Energy)
Advances in Thermal Energy Storage System for Electric Vehicles
edited by
submission deadline 20 Nov 2025 | 1 articles | Viewed by 938 | Submission Open
Keywords: thermal energy storage systems; electric vehicles; lithium-ion battery; thermal management; phase change materials; experimental analysis; design optimization
(This special issue belongs to the Section D: Energy Storage and Application)
Green Energy Transition and Sustainable Development Towards the New Normal Framework submission deadline 20 Nov 2025 | 1 articles | Viewed by 758 | Submission Open
Keywords: climate resilience; digitalization and smart energy systems; energy justice and social inclusion; energy policy; green energy transition; inclusive transition; post-pandemic recovery; renewable energy; sustainable development; smart energy systems
(This special issue belongs to the Section C: Energy Economics and Policy)
Latest Challenges in Wind Turbine Maintenance, Operation, and Safety
edited by
submission deadline 20 Nov 2025 | 1 articles | Viewed by 576 | Submission Open
Keywords: O& M; condition monitoring; predictive techniques; artificial intelligence; risk assessment; operational safety; autonomous operation; end-of-life issues
(This special issue belongs to the Section A3: Wind, Wave and Tidal Energy)
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