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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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Green Technologies for Energy Transitions
edited by and Antonella Cornelio
submission deadline 15 Dec 2025 | Viewed by 242 | Submission Open
Keywords: metal recovery; sustainability; circular economy; green technologies; precious resource
(This special issue belongs to the Section A: Sustainable Energy)
Advances in Urban Sustainability and Positive Energy Districts: Energy Transition and Carbon Footprint Reduction submission deadline 15 Dec 2025 | Viewed by 215 | Submission Open
Keywords: positive; energy; districts; assessment; replication potential
(This special issue belongs to the Section B: Energy and Environment)
Advanced Research on Heat Exchanger Networks and Heat Recovery: 2nd Edition submission deadline 15 Dec 2025 | Viewed by 198 | Submission Open
Keywords: heat exchanger networks; design and retrofit of recovery systems; network modelling and optimization; energy savings; operation; maintenance; prediction
(This special issue belongs to the Section J: Thermal Management)
Achievements and Trends in Solid Oxide Fuel Cells in Clean Energy
edited by
submission deadline 15 Dec 2025 | Viewed by 185 | Submission Open
Keywords: solid oxide fuel cell; material design; electrode microstructure; fabrication process; cell performance; stack design; system integration; flexible fuels
(This special issue belongs to the Section D2: Electrochem: Batteries, Fuel Cells, Capacitors)
Power Quality in Renewable Energy Microgrids
edited by
submission deadline 15 Dec 2025 | Viewed by 180 | Submission Open
Keywords: power quality; renewable energy; microgrid; voltage stability; frequency regulation; converter control; energy storage; distributed generation; smart monitoring; fault detection
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Heat Transfer in Nuclear Reactor Steam Generators and Heat Exchangers
edited by and
submission deadline 15 Dec 2025 | Viewed by 176 | Submission Open
Keywords: heat exchanger; steam generator; small modular reactor; optimization; thermal– hydraulic analysis; modeling
(This special issue belongs to the Section B4: Nuclear Energy)
Advancements in Energy Efficiency and Conservation for Sustainable Buildings
edited by
submission deadline 15 Dec 2025 | Viewed by 166 | Submission Open
Keywords: building energy efficiency; uncertainty causes in building energy efficiency; integration of front-of-the-meter and behind-the-meter in building design; integration of passive and active strategies for building design and operation; interaction between users and building energy systems; integration of material and energy systems in building design; energy efficient buildings for climate transition; interplay between indoor environmental quality and building energy performance
(This special issue belongs to the Section G: Energy and Buildings)
Advances in Power Distribution Systems: 2nd Edition
edited by , Wei Liu, Wei Sun and Zhenghang Hao
submission deadline 15 Dec 2025 | Viewed by 148 | Submission Open
Keywords: power distribution networks; stability control; microgrid; power quality; new building energy systems
(This special issue belongs to the Section F2: Distributed Energy System)
Balancing Energy and Environmental Sustainability: Innovations, Impacts, and Pathways
edited by , Nick Holden, and Mateus Guimarães da Silva
submission deadline 15 Dec 2025 | Viewed by 146 | Submission Open
Keywords: sustainable energy; life cycle assessment; environmental impact; carbon footprint; climate change; resource efficiency; circular economy; case studies; modeling approaches; cleaner production
(This special issue belongs to the Section B: Energy and Environment)
Cutting-Edge Research in Heat Transfer and Fluid Dynamics: Modeling, Design and Innovation
edited by
submission deadline 15 Dec 2025 | Viewed by 140 | Submission Open
Keywords: heat transfer; fluid mechanics; computational modelling; thermal management; renewable energy; phase-change materials; turbulence optimization
(This special issue belongs to the Section J1: Heat and Mass Transfer)
Shipping Trade and Management: Energy, Carbon Emissions and Investment submission deadline 15 Dec 2025 | Viewed by 129 | Submission Open
Keywords: shipping decarbonization; IMO Net Zero Framework; emission monitoring system; sustainable investments and finance; ship energy performance; sustainable maritime trade flows; emissions trading systems
(This special issue belongs to the Section C: Energy Economics and Policy)
Multi-Energy Systems Operation, Economics and Policy to Facilitate Low-Carbon Energy Transition, 2nd Edition
edited by , , Liang Du, Xiangjing Su and Yumin Zhang
submission deadline 15 Dec 2025 | Viewed by 109 | Submission Open
Keywords: net-zero emissions; multi-energy systems; energy transition
(This special issue belongs to the Section C: Energy Economics and Policy)
Advanced DC–DC Converters for Renewable Energy Applications
edited by
submission deadline 15 Dec 2025 | Viewed by 107 | Submission Open
Keywords: DC– DC converters; DC-UPS capability; energy efficiency; EMC control; renewable energy; converter design; converter modelling; energy storage systems
(This special issue belongs to the Section A: Sustainable Energy)
Sustainable Energy, Environment and Low-Carbon Development
edited by and
submission deadline 18 Dec 2025 | 7 articles | Viewed by 13389 | Submission Open
Keywords: environmental problems; environment pollution; green energy technologies; sustainable development; bioenergy; energy conversion and management; water– energy– food nexus; recycling technologies; low-carbon development
(This special issue belongs to the Section B: Energy and Environment)
Advanced Technologies for Electric Machine Optimization and Energy Efficiency Enhancement
edited by , and Muhammad Usman Naseer
submission deadline 18 Dec 2025 | 1 articles | Viewed by 925 | Submission Open
Keywords: AI integration; control strategies; digital twin; electric drives; electric machines; energy efficiency; HVAC systems; high-efficiency design; industrial automation; induction machines; loss minimization; model-based control; multi-objective optimization; novel materials; permanent magnet machines; power electronics; real-time monitoring; reluctance machines; robotics; thermal management
(This special issue belongs to the Section F1: Electrical Power System)
Control Technologies for Wind and Photovoltaic Power Generation
edited by , Jian Wang and Songli Fan
submission deadline 18 Dec 2025 | 1 articles | Viewed by 579 | Submission Open
Keywords: renewables energy; energy storage system; power systems; energy system; control technologies; optimization strategies; artificial intelligence; machine learning
(This special issue belongs to the Section A: Sustainable Energy)
Advancements and Future Prospects of Heat Exchangers in Thermal and Energy Management
edited by Fabio Bozzoli and Marcelo José Colaço
submission deadline 19 Dec 2025 | 4 articles | Viewed by 4368 | Submission Open
Keywords: heat exchangers; thermal management; efficiency; heat transfer enhancement; scale-up; optimization; heat pipes; thermal storage; designs; fouling
(This special issue belongs to the Section J: Thermal Management)
Biomass Power Generation and Gasification Technology submission deadline 19 Dec 2025 | 2 articles | Viewed by 1788 | Submission Open
Keywords: biomass-based combined heat and power; biomass-based combined cycles; BIGCC
(This special issue belongs to the Section A4: Bio-Energy)
Techno-Economic Evaluation of Hydrogen Energy
edited by Elvira Spatolisano, and
submission deadline 20 Dec 2025 | 2 articles | Viewed by 3029 | Submission Open
Keywords: sustainable H2 production; H2  fuel cells; H2  transport; H2  value chains; H2  purification; process intensification
(This special issue belongs to the Section A5: Hydrogen Energy)
Green Innovation and Sustainable Energy Transition: Opportunities and Challenges
edited by Fabio Maria Montagnino
submission deadline 22 Dec 2025 | 4 articles | Viewed by 4712 | Submission Open
Keywords: sustainable energy; green innovation; green business models; socio-technical transition
(This special issue belongs to the Section C: Energy Economics and Policy)
Advanced Control Systems for Power Electronics, Smart Grids, and Renewable Energy Integration
edited by Yuying He and Tingyu Jiang
submission deadline 22 Dec 2025 | 4 articles | Viewed by 3661 | Submission Open
Keywords: power electronics; smart grid; power conversion; integration
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Energy and Carbon Mitigation Policies for Sustainable Development
edited by
submission deadline 22 Dec 2025 | 1 articles | Viewed by 1011 | Submission Open
Keywords: energy transition; energy storage; carbon pricing; renewable integration; climate policy; carbon footprint; green finance; carbon markets; energy security; clean technology; carbon tax; sectoral mitigation; just transition; urban energy systems; behavioral change; policy instruments
(This special issue belongs to the Section C: Energy Economics and Policy)
Development and Technologies of Biomass Conversion Process, Biofuel Production and Biorefinery
edited by , and Cui Quan
submission deadline 22 Dec 2025 | 1 articles | Viewed by 963 | Submission Open
Keywords: biomass; conversion process; biofuel; biorefinery; thermal conversion
(This special issue belongs to the Section A4: Bio-Energy)
New Insights into Decision Making Methods for Renewable Energy Investments
edited by and Justas Štreimikis
submission deadline 22 Dec 2025 | Viewed by 218 | Submission Open
Keywords: renewable energy investments; decision-making methods; multi-criteria analysis; risk and uncertainty; investment appraisal; optimization; real options; artificial intelligence; sustainable energy planning
(This special issue belongs to the Section A: Sustainable Energy)
Innovations in Low-Carbon Fuel Combustion: Kinetics, Emissions, and System Integration
edited by Kang Pan
submission deadline 22 Dec 2025 | Viewed by 101 | Submission Open
Keywords: low-carbon fuels; advanced combustion; combustion kinetics; emission reduction; sustainable energy systems
(This special issue belongs to the Section I2: Energy and Combustion Science)
Energy Consumption at Production Stages in Mining, 2nd Edition
edited by and Krzysztof Zagórski
submission deadline 24 Dec 2025 | 2 articles | Viewed by 2078 | Submission Open
Keywords: energy consumption; machines with combustion and electric drives; battery powered; self-propelled mining machines; underground mining methods; driving of excavations; horizontal; inclined; and vertical transport systems; processing of mineral raw materials; drainage system; ventilation systems
(This special issue belongs to the Section H: Geo-Energy)
Novel Approaches for High-Efficiency Perovskite Solar Cells
edited by Pengchen Zhu
submission deadline 24 Dec 2025 | Viewed by 177 | Submission Open
Keywords: perovskite solar cells; photovoltaics; perovskite-based technologies; solar energy conversion
(This special issue belongs to the Section A2: Solar Energy and Photovoltaic Systems)
Development of Electrical Machines: Latest Studies and Future Prospects submission deadline 25 Dec 2025 | 3 articles | Viewed by 15210 | Submission Open
Keywords: high-speed electrical machines; ceramic and electromagnetic bearings; electrical machines for renewable energy generation; electrical machines for electric vehicles; electrical machines for electric ship and aerospace applications; permanent magnet electrical machines; low-loss iron laminations for electrical machines; advanced cooling techniques in electrical machines; multi-phase electrical machines; advanced control techniques for electrical machines; fault-tolerant electrical machines
(This special issue belongs to the Section F: Electrical Engineering)
Energy Management Systems: Challenges, Techniques and Opportunities: 2nd Edition submission deadline 25 Dec 2025 | 7 articles | Viewed by 10048 | Submission Open
Keywords: energy management; demand-side management; demand-side response; energy flexibility; energy efficiency; prosumers; microgrids; virtual plants; transactive energy; internet of energy; renewable energy sources; energy storage; distributed generation; building energy management systems; machine learning; reinforcement learning; vehicle-to-grid
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Recent Advances in Fluid Machinery, Energy Systems and Power Generation submission deadline 25 Dec 2025 | 6 articles | Viewed by 9841 | Submission Open
Keywords: experimental analysis; computational fluid dynamics; thermal management; power generation; turbomachinery; hybrid engines; turbine cooling; hydrogen combustion; optimization methods
(This special issue belongs to the Section J: Thermal Management)
Advancements in Marine Renewable Energy and Hybridization Prospects
edited by
submission deadline 25 Dec 2025 | 4 articles | Viewed by 6391 | Submission Open
Keywords: marine energy; structural analysis; wave energy; wind energy; hybrid devices; offshore energy; marine engineering; coastal engineering; port engineering; hydrodynamics
(This special issue belongs to the Section A3: Wind, Wave and Tidal Energy)
Advanced Studies in Energy Efficiency of Buildings and Urban Built Environment submission deadline 25 Dec 2025 | 5 articles | Viewed by 6055 | Submission Open
Keywords: zero-energy buildings; urban planning; GIS; digital twin; acoustics; energy efficiency; lighting; decision support system; building performance; indoor environmental comfort; outdoor environmental comfort
(This special issue belongs to the Section G: Energy and Buildings)
Decarbonizing Smart Buildings and Energy Systems: Digital Twins, Advanced Models and Optimization Algorithms
edited by , , and Manfredi Maniscalco
submission deadline 25 Dec 2025 | 3 articles | Viewed by 4505 | Submission Open
Keywords: smart energy systems; smart buildings; digital twins; artificial intelligence; machine learning; optimization algorithms
(This special issue belongs to the Section G: Energy and Buildings)
Smart and Energy Efficient HVAC Systems Towards Building Decarbonizations submission deadline 25 Dec 2025 | 2 articles | Viewed by 2625 | Submission Open
Keywords: smart HVAC systems; energy efficiency; building decarbonization; indoor air quality (IAQ); indoor environmental quality (IEQ); HVAC retrofitting; net-zero energy buildings; intelligent control; renewable energy integration; building energy simulation; IoT in buildings; thermal comfort; domestic hot water (DHW); PV and HVAC integration
(This special issue belongs to the Section G: Energy and Buildings)
Modeling, Scheduling, Optimising, and Control of Power Grids and Integrated Energy Systems
edited by
submission deadline 25 Dec 2025 | 3 articles | Viewed by 2424 | Submission Open
Keywords: decarbonization; renewable energy integration; integrated energy system; modeling; scheduling; and optimization; digital twins and machine learning; virtual power systems and microgrids; energy storage systems; power to hydrogen; power quality and reliability; grid compatibility; multi-energy systems
(This special issue belongs to the Section F: Electrical Engineering)
Economic and Political Determinants of Energy: 3rd Edition submission deadline 25 Dec 2025 | 2 articles | Viewed by 2409 | Submission Open
Keywords: changes in energy consumption trends; developments in trends in the consumption of goods in response to changes in the energy market; crises as opportunities for development and drivers of innovation; evolution of energy supply chains and industry in general; the role of energy security and energy self-sufficiency in the national economy; the crisis as an opportunity for renewable energy or a return to traditional sources; green transformation trends; developments in technologies related to the storage of green energy surpluses; geothermal energy is underestimated and should be supported in Europe in the future; deglobalization as a reaction to the crisis and its consequences for the world economy
(This special issue belongs to the Section C: Energy Economics and Policy)
Integrated Building Design: Balancing Comfort and Environmental Performance
edited by , and Badr Chegari
submission deadline 25 Dec 2025 | 1 articles | Viewed by 2379 | Submission Open
Keywords: building design; sustainability; envelope; performance; carbon footprint; energy efficiency; thermal comfort; life cycle assessment
(This special issue belongs to the Section G: Energy and Buildings)
Emerging Trends in Closed-Loop Control Systems for Electric Machines and Drives: From Classical Techniques to Smart Solutions submission deadline 25 Dec 2025 | 2 articles | Viewed by 1870 | Submission Open
Keywords: closed-loop control; electric machines; control algorithms; artificial intelligence; predictive maintenance; sensorless control; power electronic converters; reliability engineering; condition monitoring; electric vehicles
The Sustainability of Energy Systems: Policy, Economy, and Environment
edited by
submission deadline 25 Dec 2025 | 2 articles | Viewed by 1376 | Submission Open
Keywords: sustainable energy systems; energy policy and governance; environmental economics; energy justice; energy security; energy affordability; carbon pricing and regulation; clean energy investment; policy– economy– environment nexus; climate and energy strategy
(This special issue belongs to the Section A: Sustainable Energy)
Hydraulic Fracturing and Reservoir Simulation Modeling in Shale, Tight, and Ultra-Low Permeability Gas Reservoirs
edited by Yin Feng and
submission deadline 25 Dec 2025 | 1 articles | Viewed by 1282 | Submission Open
Keywords: ultra-low permeability reservoirs; hydraulic fracturing; machine learning; fracture network; fracture fluids
(This special issue belongs to the Section H: Geo-Energy)
Energy Policy and Sustainable Development: Challenges to Economic Development—2nd Edition
edited by and Brigita Zuromskaite
submission deadline 25 Dec 2025 | 1 articles | Viewed by 1027 | Submission Open
Keywords: energy policy; energy economics; energy efficiency; climate policy; sustainable development; energy poverty; policy instruments; regulation policy; environmental impact; renewable energy; economics of energy systems; integration of energy markets; energy security; post-COVID economy
(This special issue belongs to the Section C: Energy Economics and Policy)
Modeling, Simulation and Optimization of Power Systems: 2nd Edition
edited by and Zhigang Wu
submission deadline 25 Dec 2025 | 1 articles | Viewed by 1011 | Submission Open
Keywords: power system transient stability; model reduction; real-time simulator; nonlinear modeling; parameter identification; dynamic equivalent; data-driven
(This special issue belongs to the Section F1: Electrical Power System)
Energy Storage, Energy Conversion, and Multifunctional Materials, 2nd Edition submission deadline 25 Dec 2025 | 2 articles | Viewed by 1008 | Submission Open
Keywords: energy storage and conversion; lithium batteries; solid-state batteries; graphene batteries; short-term and long-term energy storage; stretchable energy storage; electric vehicles (EVs); supercapacitors/ultracapacitors; flywheels; pumped hydro storage; superconducting magnetic energy storage (SMES); thermal energy storage; hydrogen storage and fuel cells; autonomous power systems; renewable energy sources; effect on power system reliability and resilience; smart grids; distributed energy resources (DERs); demand side management; multifunctional materials; low-cost materials; life cycle assessment (LCA) of energy storage; recycling of energy storage technologies
(This special issue belongs to the Section D: Energy Storage and Application)
Optimization of DC-DC Converters and Wireless Power Transfer Systems submission deadline 25 Dec 2025 | 1 articles | Viewed by 757 | Submission Open
Keywords: DC-DC converters; wireless power transfer (WPT); inductive power transfer (IPT); capacitive power transfer (CPT); optimization techniques; resonant converter topologies; impedance matching; power density; wide bandgap semiconductors; electromagnetic interference (EMI)
(This special issue belongs to the Section F3: Power Electronics)
Advances in Battery Technologies: Trends Forecasting, Measurements, Data Analysis, Diagnostics, Modelling and Control—2nd Edition
edited by
submission deadline 25 Dec 2025 | 1 articles | Viewed by 695 | Submission Open
Keywords: batteries; new applications; modelling; energy and thermal management; control; battery fault diagnosis; state monitoring; material design; design; PCM materials; light lithium-ion conductors; solid electrolyte; heat generation; life cycle analysis (LCA); recycling; levelized cost of storage (LCOS); state of Charge (SoC); state of Health (SoH); state of Energy (SoE); bidirectional converters; conventional methods; learning methods; adaptive methods; hybrid methods; machine learning; trans-European transport network corridors (TEN-T); electric vehicles; charging standards; distributed generation devices; smart charging (V1G); vehicle to grid (V2G); vehicle to home (V2H); vehicle to load (V2L); vehicle to building (V2B); vehicle to everything (V2X); open charge point protocol (OCCP); smart meter (SM); energy aggregator (EA); demand side response (DSR); energy-flow management system (EMS); micro grid (MG); dynamic load management (DLM)
(This special issue belongs to the Section D: Energy Storage and Application)
Design and Performance of Photovoltaic Power System as a Renewable Energy Source submission deadline 25 Dec 2025 | Viewed by 531 | Submission Open
Keywords: solar energy; renewable energy; electrical energy; efficiency; self-consumption and self-sufficiency; energy storage; photovoltaic/thermal plant; energy flexibility
(This special issue belongs to the Section A2: Solar Energy and Photovoltaic Systems)
Applications of Advanced Control and Artificial Intelligence in Smart Grids
edited by and Dubravko Franković
submission deadline 25 Dec 2025 | 1 articles | Viewed by 338 | Submission Open
Keywords: smart- and micro-grids control; renewable energy integration; storage systems; distributed generation; monitoring and fault diagnostics; grid resilience; intelligent power systems; energy forecasting; power quality; energy market scenario
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Novel Materials for Solar Cells and Photovoltaic Systems
edited by and Guilin Chen
submission deadline 25 Dec 2025 | Viewed by 324 | Submission Open
Keywords: novel materials for solar cells; Sb2(SxSe1-x)3; Sb2S3; Sb2Se3; photovoltaic systems; enhanced efficiency
(This special issue belongs to the Section A2: Solar Energy and Photovoltaic Systems)
Advancements in Building Energy Efficiency and Flexibility: Challenges and Opportunities
edited by Peter Riederer
submission deadline 25 Dec 2025 | Viewed by 295 | Submission Open
Keywords: energy efficiency; energy flexibility; occupant thermal comfort; greenhouse gas emissions
(This special issue belongs to the Section G: Energy and Buildings)
Advances in Materials for Third-Generation Photovoltaic Technologies
edited by Fátima Santos and Dzmitry K. Ivanou
submission deadline 25 Dec 2025 | Viewed by 218 | Submission Open
Keywords: dye-sensitized solar cells; perovskite solar cells; organic solar cells; quantum dot solar cells; novel materials; material synthesis; material engineering
(This special issue belongs to the Section A2: Solar Energy and Photovoltaic Systems)
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