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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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Flow, Combustion, and Thermal-Structure of Advanced Aerospace Propulsion
edited by Xuanfei Yu, Duo Zhang and Wenqiang Li
submission deadline 25 Dec 2025 | Viewed by 82 | Submission Open
Keywords: aerospace propulsion; modeling; flow; combustion; structure
(This special issue belongs to the Section J: Thermal Management)
Research on Power Transformers, Power Cable, High Voltage and Insulation Technology
edited by
submission deadline 26 Dec 2025 | 1 articles | Viewed by 568 | Submission Open
Keywords: fault diagnostics; power transformers; power cable; oil-paper insulation; simulation; detection technology and methods
(This special issue belongs to the Section F1: Electrical Power System)
Condition Monitoring and Fault Diagnosis in Power Electronics and Energy Storage Systems: 2nd Edition
edited by , Chen Liu and
submission deadline 30 Dec 2025 | 1 articles | Viewed by 556 | Submission Open
Keywords: condition monitoring; fault diagnosis; power electronics; energy storage systems (ESSs); multilevel converters; physics-of-failure analysis; battery management systems (BMS); state-of-health (SoH) estimation; remaining useful life (RUL) estimation; artificial intelligence and machine learning in diagnostics
(This special issue belongs to the Section D: Energy Storage and Application)
Sustainable and Low Carbon Development in the Energy Sector submission deadline 31 Dec 2025 | 17 articles | Viewed by 55544 | Submission Open
Keywords: renewable energy systems; energy transition; distributed generation; low-carbon development; climate change; energy internet; smart grids; environmental economics; low-carbon agriculture; energy conservation
(This special issue belongs to the Section A: Sustainable Energy)
Experimental and Numerical Methods for the Design of Internal Combustion Engines and Turbomachines submission deadline 31 Dec 2025 | 9 articles | Viewed by 18656 | Submission Open
Keywords: internal combustion engines; turbomachines; design; experimental methods; numerical methods
(This special issue belongs to the Section J: Thermal Management)
Optimization and Machine Learning Approaches for Power Systems submission deadline 31 Dec 2025 | 6 articles | Viewed by 13073 | Submission Open
Keywords: stochastic optimization; machine learning; deep learning; smart grid technologies; power system economics
(This special issue belongs to the Section F1: Electrical Power System)
Advanced Energy Storage Technologies and Applications (AESAs), 2nd Edition
edited by , , , and Jiahuan Lu
submission deadline 31 Dec 2025 | 7 articles | Viewed by 9482 | Submission Open
Keywords: energy storage; power and energy systems; electrified/intelligent transportation; batteries and management; motor and control; power electronics; AI and big data applications
(This special issue belongs to the Section D: Energy Storage and Application)
Advances in Waste Heat Recovery and Integrated Energy Systems submission deadline 31 Dec 2025 | 4 articles | Viewed by 8280 | Submission Open
Keywords: waste heat recovery; hybrid energy systems; integrated energy system; combined cycle gas turbine; integrated gasification combined cycle; ORC; organic rankine cycle; steam rankine cycle; supercritical CO2 gas turbine; power-to-gas; solar assisted gas turbine; combined heat and power system; closed brayton cycle; stirling engine; marine engines; kalina cycle; hybrid energy grid
(This special issue belongs to the Section I2: Energy and Combustion Science)
Prospects of Deep and Ultra-Deep Oil and Gas Exploration and Development
edited by , and Zezhang Song
submission deadline 31 Dec 2025 | 4 articles | Viewed by 7567 | Submission Open
Keywords: deep-ultra-deep basin; deep oil and gas; shale gas; diagenesis; porosity.
(This special issue belongs to the Section H: Geo-Energy)
Research on Energy Efficiency and Energy Conservation: Current State and toward a Sustainable Future
edited by
submission deadline 31 Dec 2025 | 3 articles | Viewed by 7562 | Submission Open
Keywords: building sustainability; thermal performance; energy conservation; energy efficiency; energy modelling
(This special issue belongs to the Section A: Sustainable Energy)
Selected Papers from the 32nd European Biomass Conference and Exhibition (EUBCE 2024)
edited by David Baxter and
submission deadline 31 Dec 2025 | 6 articles | Viewed by 7297 | Submission Open
Keywords: biomass feedstocks; agricultural residues; energy crops; short rotation crops; forest residues; organic waste; bioenergy; biomaterials; biochemicals; biorefineries; thermochemical conversion; biochemical conversion; energy carriers; biofuels; bioeconomy; circular economy; climate change; environmental sustainability; environmental impacts
(This special issue belongs to the Section A4: Bio-Energy)
High Utilization of Computational Fluid Dynamics and Turbomachinery in Renewable Energy System submission deadline 31 Dec 2025 | 3 articles | Viewed by 7237 | Submission Open
Keywords: renewable energy systems; geothermal energy; hydropower; marine energy; wave energy; wind energy; solar energy; tidal energy; energy storage; wind farm layout; turbomachinery; wind turbines; compressor; turbocharger; fans; turbine; pumps; pump-turbines; propeller; motor; generator; exciter
(This special issue belongs to the Section A: Sustainable Energy)
Advances in Control System for Power Electronics, Microgrids, and Smart Grids
edited by and Serge Pierfederici
submission deadline 31 Dec 2025 | 6 articles | Viewed by 5698 | Submission Open
Keywords: microgrids; smart grids; renewable energy; V2G and advanced controllers
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Demand-Side Energy Management Optimization submission deadline 31 Dec 2025 | 2 articles | Viewed by 4898 | Submission Open
Keywords: energy management; greening demand-side energy management; demand-aware; demand prioritization; energy scheduling; renewable energy resources management; virtual power plants management; optimization technology; energy efficiency; dynamic pricing; cost minimization; maximization of renewable energy management; welfare maximization; game theory; artificial intelligence; machine learning
(This special issue belongs to the Section F: Electrical Engineering)
Solar Thermal Heat and Power Technology: Developments and Applications
edited by , Walter Gaggioli and
submission deadline 31 Dec 2025 | 3 articles | Viewed by 4695 | Submission Open
Keywords: solar thermal technology; concentrated solar thermal (CST); concentrated solar power (CSP); industrial solar process (SHIP); solar heating and cooling
(This special issue belongs to the Section A2: Solar Energy and Photovoltaic Systems)
Near-Optimal Operation of Distributed Energy Resources Based on Microgrids
edited by
submission deadline 31 Dec 2025 | 3 articles | Viewed by 4448 | Submission Open
Keywords: distributed resource aggregation; microgrid planning; operation; and control; electricity market mechanism; optimization of active distribution networks
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Economic Strategies for Integrating Energy and Sustainability: Challenges and Opportunities submission deadline 31 Dec 2025 | 2 articles | Viewed by 4366 | Submission Open
Keywords: energy poverty; energy investment; energy economy; energy transition
(This special issue belongs to the Section C: Energy Economics and Policy)
Advancements in Gas Turbine Aerothermodynamics submission deadline 31 Dec 2025 | 3 articles | Viewed by 3816 | Submission Open
Keywords: gas turbine aerothermodynamics; high-fidelity simulations; experimental investigations; flow dynamics; heat transfer; turbine cooling; combustion optimization; emission reduction; hybrid numerical– experimental approaches; artificial intelligence in turbine design; machine learning applications; sustainable energy systems; climate change mitigation; turbulence modeling; performance optimization
(This special issue belongs to the Section I2: Energy and Combustion Science)
New Trends in Energy, Climate and Environmental Research, 2nd Edition
edited by and Reza Nadimi
submission deadline 31 Dec 2025 | 1 articles | Viewed by 3151 | Submission Open
Keywords: digital power system; virtual power plant; distributed energy resources; vehicle-to-grid; renewable energy forecasting methods
(This special issue belongs to the Section B: Energy and Environment)
Emerging Trends in Enhancing Power Grid Performance
edited by , Stephan Brettschneider and
submission deadline 31 Dec 2025 | 2 articles | Viewed by 2915 | Submission Open
Keywords: aging power infrastructure; power grid climate-related challenges; challenges to energy transition; emerging trends in grid digitalization; advanced diagnostic; monitoring; and protection technologies; new or advanced insulating materials
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
New Challenges in Clean Energy Technologies: Waste-to-Energy for Circular Economy
edited by
submission deadline 31 Dec 2025 | 3 articles | Viewed by 2854 | Submission Open
Keywords: coal; bottom ash; fly ash; waste incinerator; biomass
(This special issue belongs to the Section B: Energy and Environment)
Computational Intelligence in Electrical Systems: 2nd Edition submission deadline 31 Dec 2025 | 2 articles | Viewed by 2702 | Submission Open
Keywords: smart grids; microgrids; and virtual power plants; distributed energy resources; renewable energy sources; energy storage systems; electric vehicles; green computing and green networking; energy harvesting; low-power ICT systems; neural networks; fuzzy systems; evolutionary computation; deep learning; classification and clustering; data regression optimization and control; time series; forecasting
(This special issue belongs to the Section F: Electrical Engineering)
Sustainable Buildings Life Cycle Through Digitalization submission deadline 31 Dec 2025 | 1 articles | Viewed by 2455 | Submission Open
Keywords: sustainability; LCA; building information management; digital twins; energy efficiency; low carbon
(This special issue belongs to the Section G: Energy and Buildings)
Vibration Energy Harvesting
edited by
submission deadline 31 Dec 2025 | 2 articles | Viewed by 2255 | Submission Open
Keywords: vibration energy harvesting (VEH); energy storage technologies; piezoelectricity; electromagnetic induction; triboelectric nanogenerators; internet of things (IoT); MEMS energy harvesters; sustainable power solutions; autonomous sensors; renewable energy systems
(This special issue belongs to the Section D: Energy Storage and Application)
Transforming Energy Security: Hydrogen Innovations and AI Strategies for a Resilient Energy Infrastructure submission deadline 31 Dec 2025 | 1 articles | Viewed by 1917 | Submission Open
Keywords: hydrogen economy; low-carbon fuel; zero-carbon fuel; hydrogen production; hydrogen storage; hydrogen utilization; fuel cells; combustion; heating; electrolysis; solid oxide cells; PEM
(This special issue belongs to the Section A5: Hydrogen Energy)
Sustainable Biomass Conversion: Innovations and Environmental Impacts
edited by
submission deadline 31 Dec 2025 | 2 articles | Viewed by 1607 | Submission Open
Keywords: biomass waste; biomass conversion; biomass valorization; biomass digestion; waste-to-energy technologies; biofuels; thermal treatment; torrefaction; pyrolysis; gasification; bioenergy; renewable energy; biological conversion; hydrothermal conversion; biomass digestion; biomass to liquid (BtL); biomass to gas (BtG); biomass to hydrogen (BtH); environmental impact; environmental sustainability; life cycle analysis; economic analysis; conversion simulation and optimization; zero biomass waste strategy
(This special issue belongs to the Section A4: Bio-Energy)
Optimal Planning and Operation in RES-Rich Power Systems Under Electricity and Carbon Emission Market Environment: 2nd Edition
edited by and
submission deadline 31 Dec 2025 | 1 articles | Viewed by 1009 | Submission Open
Keywords: renewable energy sources; electricity market; carbon emission market; power system; energy storage system; artificial intelligence
(This special issue belongs to the Section A: Sustainable Energy)
Energy Systems Digitalization: Challenges and Opportunities for a Sustainable Future submission deadline 31 Dec 2025 | 1 articles | Viewed by 727 | Submission Open
Keywords: smart grid; digitalization; power quality; distributed energy resources; internet of things; artificial intelligence
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Innovative Techniques for Distribution Grids Digitalization submission deadline 31 Dec 2025 | Viewed by 726 | Submission Open
Keywords: distribution networks; smart grids; digitalization; artificial intelligence; sustainability
(This special issue belongs to the Section F: Electrical Engineering)
Advances in Green Hydrogen Production Technologies
edited by Ivan Pivac and Ankica Kovač
submission deadline 31 Dec 2025 | Viewed by 493 | Submission Open
Keywords: green hydrogen production; electrolyzers; in situ diagnostics; prognostics; state of performance; remaining useful lifetime; durability; degradation mechanisms
(This special issue belongs to the Section A5: Hydrogen Energy)
Factor Analysis and Mathematical Modeling of Coals: 2nd Edition submission deadline 31 Dec 2025 | Viewed by 382 | Submission Open
Keywords: mathematical modeling; multidimensional analysis; optimization; factor analysis; natural environment
(This special issue belongs to the Section H: Geo-Energy)
Extreme Events and Power Grid Resilience: Lessons from Iberian Blackouts
edited by
submission deadline 31 Dec 2025 | Viewed by 336 | Submission Open
Keywords: Iberian Blackout 2025; Spain-Portugal power outage; European energy crisis; large-scale blackout; critical infrastructure failure; power grid resilience; grid stability; renewable energy integration; intermittent generation challenges; fault location analysis; system restoration; smart grid technologies; energy storage systems
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Planning, Operation, and Control of Renewable-Penetrated Power System in the Context of Building-Integrated Resources
edited by , Xiaodong Yang, Juan Wei, Hanyu Yang and Ziyi Bai
submission deadline 31 Dec 2025 | Viewed by 267 | Submission Open
Keywords: renewable energy integration and control; economic optimization strategies; distribution systems; transactive energy control; Artificial Intelligence; power/load forecasting; building microgrid
(This special issue belongs to the Section G: Energy and Buildings)
Modeling and Planning of Energy Systems
edited by Tianyu Wang and Lei Su
submission deadline 31 Dec 2025 | Viewed by 219 | Submission Open
Keywords: energy systems; energy storage; power system; modeling; control; optimization; planning
(This special issue belongs to the Section K: State-of-the-Art Energy Related Technologies)
Energy Conversion Technologies for a Clean Environment
edited by
submission deadline 31 Dec 2025 | Viewed by 197 | Submission Open
Keywords: advanced combustion; carbon capture and utilization (CCU); clean energy systems; energy efficiency; environmental impact assessment; hydrogen energy and fuel cells; low-carbon technologies; renewable energy systems; sustainable energy systems; waste-to-energy systems
(This special issue belongs to the Section I: Energy Fundamentals and Conversion)
Reliability and Condition Monitoring of Electric Motors and Drives: 2nd Edition
edited by Paolo Giangrande and Marcello Minervini
submission deadline 31 Dec 2025 | Viewed by 194 | Submission Open
Keywords: condition monitoring; fault tolerance; dielectric breakdown; partial discharge; diagnostics; lifetime forecasting
(This special issue belongs to the Section F: Electrical Engineering)
The Future of Renewable Energy: 2nd Edition
edited by
submission deadline 5 Jan 2026 | 8 articles | Viewed by 19915 | Submission Open
Keywords: solar energy and photovoltaic systems; wind; wave and tidal energy; bioenergy; hydrogen energy; geothermal technology; hydropower; energy system integration; energy storage; renewable energy for fighting climate change; artificial intelligence and renewable energy
(This special issue belongs to the Section A: Sustainable Energy)
Modeling, Optimization and Experimental Investigation of Heat Exchangers for Power Plants
edited by
submission deadline 5 Jan 2026 | 5 articles | Viewed by 9635 | Submission Open
Keywords: heat and mass transfer; boiling and condensation; heat transfer by convection; heat transfer enhancement; multiphase flow; computational methods for solving heat and mass transfer problems; modeling of heat exchangers; optimization of heat exchangers; practical applications
(This special issue belongs to the Section J1: Heat and Mass Transfer)
Advances in Geothermal Energy from Synergies with Oil and Gas Industries
edited by , Davide Scrocca and
submission deadline 5 Jan 2026 | 4 articles | Viewed by 5254 | Submission Open
Keywords: geothermal energy; closed loop; district heating; geothermal power plant; transfer technology; oil and gas; drilling technology
(This special issue belongs to the Section H2: Geothermal)
Trends and Prospects in Integration of Renewable Energy Sources and Electric Vehicles
edited by and Xinshou Tian
submission deadline 5 Jan 2026 | 3 articles | Viewed by 3526 | Submission Open
Keywords: new energy vehicles; electric vehicles; EV charging/discharging infrastructure; EV charging/discharging station planning; EV charging/discharging behavior; EV charging/discharging pricing; EV charging/discharging station optimal operation; V2G techniques; renewable energy; integration of renewable energy with EVs
(This special issue belongs to the Section E: Electric Vehicles)
Advanced Grid Integration with Power Electronics: 2nd Edition
edited by and Yusheng Wei
submission deadline 5 Jan 2026 | 3 articles | Viewed by 2881 | Submission Open
Keywords: power electronics; smart grid; renewable energy systems; distributed energy resources; microgrid resilience and reliability; advanced control schemes; real time simulation; dynamic modeling; time-delay compensation; intelligent control
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Scientific Advances in Nuclear Waste Management
edited by
submission deadline 5 Jan 2026 | 2 articles | Viewed by 2573 | Submission Open
Keywords: used nuclear fuels; waste forms; high-level nuclear waste; source-term models; geological repository; near-field of geological repository
(This special issue belongs to the Section B4: Nuclear Energy)
Heat Transfer Performance and Influencing Factors of Waste Management
edited by Hongting Ma and
submission deadline 5 Jan 2026 | 4 articles | Viewed by 2352 | Submission Open
Keywords: waste tires; pyrolysis oil; horizontal rotary furnace; heat transfer coefficient
(This special issue belongs to the Section J1: Heat and Mass Transfer)
Clean Utilization and Conversion Technologies of Coal
edited by and
submission deadline 5 Jan 2026 | 2 articles | Viewed by 2318 | Submission Open
Keywords: coal; utilization and conversion; efficient combustion; pollutant control; coal cleaning; drying of coal; pyrolysis; gasification; coal liquefaction; clean technologies; design and applications
(This special issue belongs to the Section I1: Fuel)
Waste to Watt: Biomass and Waste Valorization to Fuels
edited by Vasileios Diamantis
submission deadline 5 Jan 2026 | 1 articles | Viewed by 1837 | Submission Open
Keywords: anaerobic digestion; biogas; bioenergy; waste to energy; biomethane
(This special issue belongs to the Section A4: Bio-Energy)
Advanced Electrochemical Energy Storage Materials
edited by
submission deadline 5 Jan 2026 | 1 articles | Viewed by 1498 | Submission Open
Keywords: advanced materials for lithium-ion batteries; redox flow batteries; all-vanadium redox flow batteries
(This special issue belongs to the Section D2: Electrochem: Batteries, Fuel Cells, Capacitors)
Numerical and Experimental Study of Alternative Fuel Combustion in Internal Combustion Engines
edited by
submission deadline 5 Jan 2026 | 1 articles | Viewed by 1394 | Submission Open
Keywords: internal combustion engines; alternative fuels; e-fuels; biofuels; numerical simulation; experimental study; combustion modeling; pollutant emissions
(This special issue belongs to the Section I2: Energy and Combustion Science)
Future of Electrochemical Energy Storage Material and Technology submission deadline 5 Jan 2026 | 1 articles | Viewed by 1029 | Submission Open
Keywords: energy storage; electrochemical materials; new technologies; design; characterization; development; batteries
(This special issue belongs to the Section D: Energy Storage and Application)
Computation Modelling for Offshore Wind Turbines and Wind Farms
edited by Jiahao Chen
submission deadline 5 Jan 2026 | 1 articles | Viewed by 755 | Submission Open
Keywords: floating wind turbine; offshore wind turbine; hydrodynamics; aerodynamics; coupling dynamics; experiment
(This special issue belongs to the Section A3: Wind, Wave and Tidal Energy)
Dynamic Simulation and Analysis in Modern Power Systems
edited by Yuefang Du
submission deadline 5 Jan 2026 | 1 articles | Viewed by 577 | Submission Open
Keywords: modern power system; simulation; modeling; forecast; renewable energy
(This special issue belongs to the Section F1: Electrical Power System)
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