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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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Advancements in Thermal-Hydraulic Analysis for Nuclear Reactors and Complex Flow
edited by Nianmei Zhang, Qian Li, and
submission deadline 30 Jul 2026 | Viewed by 198 | Submission Open
Keywords: nuclear reactors; thermal-hydraulic research; complex flow; heat transfer; clean energy
(This special issue belongs to the Section B4: Nuclear Energy)
New Journey of Energy and Electric Vehicle Revolutions—Infinite Possibilities in the Science World: In Honor of Prof. Dr. C.C. Chan’s 90th Birthday
edited by , Fred Eastham, , Kwok Tong Chau, , Zhengming Zhao, and
submission deadline 31 Jul 2026 | 6 articles | Viewed by 21904 | Submission Open
Keywords: artificial intelligence engine; battery; battery charging; direct torque control; electric drives; electric vehicles; electrical machines; field oriented control; induction machines; information technology; integration of energy; intelligent connected vehicles; micro grid; model reference control; modern control theory; optimization; permanent magnet; permanent magnet machines; powertrains; renewable energy; sensorless control; smart energy; switched reluctance machines; synchronous machines; traction control; transportation and humanity; vector control
(This special issue belongs to the Section E: Electric Vehicles)
Advances in Thermal Analysis of Electrical Equipment and Power Electronics submission deadline 31 Jul 2026 | 2 articles | Viewed by 9844 | Submission Open
Keywords: power electronic devices thermal characteristics; thermal analysis of static and rotating machines; transformers thermal based fault diagnosis methods; thermal performance of energy storage technologies; hydrogen fuel cells thermal behavior; thermal characterization of renewable energy systems; thermal efficiency of industrial heating process
(This special issue belongs to the Section F3: Power Electronics)
Advanced Grid Integration with Power Electronics: 2nd Edition
edited by and Yusheng Wei
submission deadline 31 Jul 2026 | 5 articles | Viewed by 9663 | 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)
Energy Consumption in the EU Countries: 4th Edition submission deadline 31 Jul 2026 | 4 articles | Viewed by 5562 | Submission Open
Keywords: energy consumption; energy production; energy consumers and producers; clean energy; renewable energy; energy markets; energy; energy efficiency; circular economy; environmental impact of energy consumption; social and economic aspects of energy; directions of energy development
(This special issue belongs to the Section C: Energy Economics and Policy)
Emerging Trends in Enhancing Power Grid Performance submission deadline 31 Jul 2026 | 3 articles | Viewed by 4615 | 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)
Development and Modeling of Energy Storage Systems for Future Power Grids
edited by and Lorenzo Trombetti
submission deadline 31 Jul 2026 | 3 articles | Viewed by 4279 | Submission Open
Keywords: energy storage systems; renewables; grid services; power and energy management; control strategies; electric vehicles; microgrids
(This special issue belongs to the Section D: Energy Storage and Application)
Advanced Control and Management Techniques for Power Converters in Microgrids: 2nd Edition
edited by
submission deadline 31 Jul 2026 | 4 articles | Viewed by 4124 | Submission Open
Keywords: DC microgrids; hybrid microgrids (DC and AC microgrids); switched systems; current sharing; voltage regulation; uncertain systems; advanced and robust control of converters; sliding mode control of converters; high-gain control of converters; distributed control; supervisory control; model predictive control; consensus control; fuzzy control
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
AI, Big Data, and IoT for Smart Grids and Electric Vehicles
edited by
submission deadline 31 Jul 2026 | 3 articles | Viewed by 2929 | Submission Open
Keywords: artificial intelligence (AI); big data analytics; the internet of things (IoT); energy demand; smart grid; electric vehicle; distributed energy systems; energy storage systems; load management
(This special issue belongs to the Section F5: Artificial Intelligence and Smart Energy)
Exploring Energy Innovations: The Rise of Next-Generation Photovoltaic Modules
edited by and Chaehwan Jeong
submission deadline 31 Jul 2026 | 3 articles | Viewed by 2356 | Submission Open
Keywords: next-generation PV modules; tandem solar cells and modules; bifacial PV modules; shingled and/or lightweight PV modules; perovskite/silicon tandem modules; module integration technologies; advanced encapsulation and packaging; angular response of PV modules; temperature and spectral effects; field performance monitoring; degradation and reliability; lifecycle assessment and recyclability; PV module modeling and simulation; sustainable solar technology
(This special issue belongs to the Section A2: Solar Energy and Photovoltaic Systems)
Smart Grid, Integration of Renewable Sources and Improvement of Power Quality
edited by Haiwen Chen, and Xuan Wang
submission deadline 31 Jul 2026 | 3 articles | Viewed by 2023 | Submission Open
Keywords: smart grid; renewable energy integration; power quality; microgrid; energy storage system; electric vehicle; demand-side management
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Planning, Operation and Management of Grid-Connected and Islanded Microgrids
edited by
submission deadline 31 Jul 2026 | 2 articles | Viewed by 1493 | Submission Open
Keywords: state-of-energy-based control; microgrid planning and operation; battery storage coordination; multi-microgrid coordination; reliability-oriented design; energy sharing mechanisms; interpretable energy management; planning–operation interactions
(This special issue belongs to the Section A1: Smart Grids and Microgrids)
Advances and Optimization of Electric Energy Systems—3rd Edition
edited by , and
submission deadline 31 Jul 2026 | 2 articles | Viewed by 1061 | Submission Open
Keywords: energy management; demand response; vehicle-to-grid (V2G); integrated energy systems
(This special issue belongs to the Section F: Electrical Engineering)
Advances in Novel Fuels—Production, Combustion, and Application: 2nd Edition submission deadline 31 Jul 2026 | 1 articles | Viewed by 849 | 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 Monitoring and Characterization Techniques for Energy Reservoirs
edited by
submission deadline 31 Jul 2026 | 1 articles | Viewed by 663 | Submission Open
Keywords: reservoir characterization; machine learning; CCUS; unconventional reservoirs; geothermal energy; coupled modeling; hydraulic fracturing; subsurface stress
(This special issue belongs to the Section H: Geo-Energy)
Machine Learning and Artificial Intelligence for Photovoltaic Power Systems
edited by and Xiurong Zhang
submission deadline 31 Jul 2026 | 1 articles | Viewed by 462 | Submission Open
Keywords: machine learning; artificial intelligence; photovoltaic power systems; PV power forecasting; uncertainty modeling; generative models; deep learning; bifacial photovoltaic systems; weather scenario generation; grid integration
(This special issue belongs to the Section F5: Artificial Intelligence and Smart Energy)
Hydrogen in Geological Formations: From Natural Accumulations to Underground Storage—Progress, Challenges and Prospects submission deadline 31 Jul 2026 | Viewed by 444 | Submission Open
Keywords: natural (geologic) hydrogen; white or gold hydrogen; orange hydrogen; underground hydrogen storage (UHS); subsurface geology and reservoirs; caprock and well integrity; geochemistry; microbial processes; multiphase flow and reactive transport; monitoring, measurement and verification (MMV); commercialization and market maturity
(This special issue belongs to the Section A5: Hydrogen Energy)
Energy Informatics and Intelligent Systems: IoT, AI, and Machine Learning Applications submission deadline 31 Jul 2026 | Viewed by 403 | Submission Open
Keywords: IoT architectures for energy systems, including sensing strategies, edge intelligence, communications, and data acquisition; data analytics and time series analysis for energy systems, including forecasting, event detection, and pattern discovery; AI and machine learning for energy monitoring, diagnostics, anomaly detection, and fault classification; digital twins, hybrid model-based and data-driven analytics, and physics-informed learning; prognostics and health management and condition-based maintenance for energy assets; optimisation and intelligent control supported by predictive and prescriptive analytics; uncertainty-aware analytics, probabilistic methods, risk and reliability assessment; explainable, trustworthy, and auditable AI and analytics for energy applications; scalable data engineering and analytics platforms for energy systems, including clustering, information retrieval, and similarity search; generative AI for energy applications, including LLM-based analytics, knowledge retrieval, summarisation, and operator assistance; theoretical and experimental advances in spiking neural networks (SNNs) for scalable and energy-efficient analytics platforms, including edge deployment and model compression, enabling real-time energy monitoring, diagnostics, and control
(This special issue belongs to the Section F5: Artificial Intelligence and Smart Energy)
Intelligent Forecasting and Optimization in Electrical Power Systems: 3rd Edition submission deadline 31 Jul 2026 | Viewed by 398 | Submission Open
Keywords: artificial intelligence; machine learning; deep learning; electrical power systems
(This special issue belongs to the Section F1: Electrical Power System)
Integrated Approaches to Energy Efficiency in Modern Buildings submission deadline 31 Jul 2026 | Viewed by 329 | Submission Open
Keywords: energy efficiency; building energy performance; HVAC systems; energy management; renewable energy integration; smart buildings
(This special issue belongs to the Section G: Energy and Buildings)
Carbon Capture, Utilization, and Storage in Unconventional Reservoirs Development
edited by , , and Bingbing Chen
submission deadline 31 Jul 2026 | Viewed by 323 | Submission Open
Keywords: CCUS; CO2-enhance oil recovery; CO2 geological storage; CO2-brine-rock interactions; unconventional oil and gas reservoirs
(This special issue belongs to the Section H: Geo-Energy)
Optimisation and Management of Energy Systems Through Artificial Intelligence
edited by
submission deadline 31 Jul 2026 | Viewed by 312 | Submission Open
Keywords: artificial intelligence; machine learning; deep learning; energy systems optimisation; smart grids; energy management; load forecasting; renewable energy integration; predictive maintenance; fault detection; fault diagnosis; distributed energy resources; intelligent control; energy planning; data-driven decision making; reinforcement learning; reliability
(This special issue belongs to the Section F5: Artificial Intelligence and Smart Energy)
Ocean Energy Conversion and Magnetohydrodynamic Power Systems—2nd Edition
edited by Lingzhi Zhao and
submission deadline 31 Jul 2026 | Viewed by 235 | Submission Open
Keywords: ocean energy conversion; magnetohydrodynamic/MHD power generation; control; maximum power tracking; array; design; modelling; life cycle assessment; economic analysis; application; offshore deployment; power conversion; LMMHD; MHD
(This special issue belongs to the Section A3: Wind, Wave and Tidal Energy)
Modeling, Monitoring, and Evaluation for Urban Energy Systems
edited by
submission deadline 31 Jul 2026 | Viewed by 215 | Submission Open
Keywords: urban energy systems; monitoring and evaluation; key performance indicators (KPIs); impact assessment; digital twins; positive energy districts (PEDs); climate-neutral city strategies; energy flexibility; replication and scalability
(This special issue belongs to the Section G: Energy and Buildings)
Green Building Energy Performances: Environmental and Sustainability Aspects submission deadline 31 Jul 2026 | Viewed by 205 | Submission Open
Keywords: green buildings; building energy performance; building physics; energy efficiency; performance gap; post-occupancy evaluation; calibrated simulation; net-zero carbon; embodied carbon; life-cycle assessment; circular economy; retrofit; indoor environmental quality; smart controls; demand flexibility; resilience; UBEM; urban microclimate; district-scale modeling.
(This special issue belongs to the Section G: Energy and Buildings)
Data-Driven Approaches to Power Grids: Planning, Control and Integration of Renewable Energy Systems
edited by and
submission deadline 31 Jul 2026 | Viewed by 197 | Submission Open
Keywords: optimization; AI; machine learning; predictive algorithms; data-driven; renewable energy resources; data integrity; cybersecurity; smart grid
(This special issue belongs to the Section F5: Artificial Intelligence and Smart Energy)
New Advances in Material, Performance and Design of Solar Cells submission deadline 5 Aug 2026 | 3 articles | Viewed by 12907 | Submission Open
Keywords: solar cells; synthesis; materials; post processing; simulations; characterization; application
(This special issue belongs to the Section D2: Electrochem: Batteries, Fuel Cells, Capacitors)
Advances in Sustainable Power and Energy Systems: 2nd Edition submission deadline 5 Aug 2026 | 6 articles | Viewed by 9971 | Submission Open
Keywords: artificial intelligence; smart energy system; operational efficiency; energy system modeling; optimization; demand management; integration of renewable energy sources
(This special issue belongs to the Section F5: Artificial Intelligence and Smart Energy)
New Research in Advanced Combustion Technologies for Low-Carbon Emissions
edited by Qiongyao Qin
submission deadline 5 Aug 2026 | 4 articles | Viewed by 6874 | Submission Open
Keywords: new technologies; combustion; flow control; theory; numerical methods; experiments
(This special issue belongs to the Section I2: Energy and Combustion Science)
Hydrogen Production: Technical-Economic, Upscaling, and Industrialization Perspectives for Sustainable and Secure Energy Production
edited by
submission deadline 5 Aug 2026 | 2 articles | Viewed by 6194 | Submission Open
Keywords: hydrogen production; green hydrogen; renewable-powered electrolysis; steam methane reforming (SMR) with CCUS; methane pyrolysis; artificial intelligence (AI); machine learning (ML); process optimization; predictive analytics and maintenance in hydrogen production; hydrogen production optimization and life cycle assessments; sustainable energy transition; carbon capture, utilization, and storage; carbon management and decarbonization; infrastructure development enabling hydrogen production; techno-economic analysis; industrial scale hydrogen production; upscaling challenges; industrialization
(This special issue belongs to the Section A5: Hydrogen Energy)
Recent Advances in Solar Thermal Collectors: Design, Modeling, and Performance Optimization
edited by
submission deadline 5 Aug 2026 | 3 articles | Viewed by 3430 | Submission Open
Keywords: flat-plate solar collectors; glass-covered solar collectors; solar thermal systems; thermal performance modeling; solar tracking strategies; evacuated tube collectors; building-integrated solar technologies; energy efficiency; CFD and optical simulations; thermal energy storage
(This special issue belongs to the Section A2: Solar Energy and Photovoltaic Systems)
Fuel Cell Innovations: Fundamentals and Applications
edited by Wenzhen Fang, Pu He, Fan Bai and Zhuo Zhang
submission deadline 5 Aug 2026 | 1 articles | Viewed by 2750 | Submission Open
Keywords: fuel cell; design and optimization; durability; modelling; theory; applications
(This special issue belongs to the Section D: Energy Storage and Application)
Energy Policies and Energy Transition: Strategies and Outlook
edited by Guotian Cai
submission deadline 5 Aug 2026 | 3 articles | Viewed by 2526 | Submission Open
Keywords: energy policies; energy transition; renewable energy sources; energy regulatory; energy storage; grid modernization; energy economic
(This special issue belongs to the Section C: Energy Economics and Policy)
Research on Biomass Resource Utilization and Management
edited by , Achraf El Kasmi and Fouad Dimane
submission deadline 5 Aug 2026 | Viewed by 2184 | Submission Open
Keywords: biomass characterization and pretreatment; thermochemical conversion; biochemical and microbial conversion; catalytic processes in biomass valorization; waste biomass utilization; biorefinery and circular economy; environmental and life cycle assessment; policy, economics, and supply chain management; innovative biomass-based materials; hybrid and emerging technologies
(This special issue belongs to the Section B: Energy and Environment)
Advanced Control and Performance Optimization in Power Electronic Systems
edited by
submission deadline 5 Aug 2026 | 3 articles | Viewed by 1775 | Submission Open
Keywords: power electronics; advanced control; performance optimization; model predictive control; nonlinear control; artificial intelligence; machine learning; renewable energy integration; microgrids; fault-tolerant operation
(This special issue belongs to the Section F: Electrical Engineering)
Planning and Operation of Integrated Renewable Energy Distribution System: 2nd Edition
edited by
submission deadline 5 Aug 2026 | 2 articles | Viewed by 1681 | Submission Open
Keywords: integrated renewable energy distribution system planning; reliability and resilience assessment; integrated renewable energy distribution system operation; optimization; digital twins; EV orderly charging and V2G; load demand response; virtual power plant; renewable energy consumption; DC distribution system technology; power electronics applications
(This special issue belongs to the Section F5: Artificial Intelligence and Smart Energy)
Recent Advances in Renewable Energy Systems Toward Sustainable Development submission deadline 5 Aug 2026 | 1 articles | Viewed by 1419 | Submission Open
Keywords: renewable energy systems; energy storage; sustainable development; solar energy; wind energy; bioenergy; hydrogen energy; smart grids; hybrid systems; energy efficiency
(This special issue belongs to the Section A: Sustainable Energy)
Achieving Sustainable Energy Recovery and Environmental Protection Through Anaerobic Process Optimization submission deadline 5 Aug 2026 | 1 articles | Viewed by 1202 | Submission Open
Keywords: biomethane; anaerobic process; mathematical modelling; process control; carbon footprint; optimisation
(This special issue belongs to the Section B: Energy and Environment)
Towards a Smart and Sustainable Energy Infrastructure: Green Innovations: 2nd Edition submission deadline 5 Aug 2026 | 2 articles | Viewed by 1177 | Submission Open
Keywords: smart technologies; sustainable energy infrastructure; green innovations
(This special issue belongs to the Section A: Sustainable Energy)
Control, Operation and Stability of PMSM for Electric Vehicles
edited by
submission deadline 5 Aug 2026 | 1 articles | Viewed by 1048 | Submission Open
Keywords: electric machines; motor; inverter; drive; electric vehicle; xEV; control; design
(This special issue belongs to the Section E: Electric Vehicles)
Dynamic Harmony: Balancing Energy Efficiency and Thermal Comfort
edited by Sally Shahzad and
submission deadline 5 Aug 2026 | Viewed by 790 | Submission Open
Keywords: adaptive thermal comfort; behavioral studies; extreme conditions; personal comfort systems; policy and regulation; building design; retrofitting; smart technologies; renewable energy integration; innovative HVAC systems
(This special issue belongs to the Section B: Energy and Environment)
The Future of Renewable Energy—3rd Edition
edited by
submission deadline 5 Aug 2026 | 1 articles | Viewed by 769 | 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)
Advances in Wastewater Biorefineries: Renewable Energy Production and Resource Recovery in Wastewater Treatment Plants
edited by Ewa Neczaj, and Kamil Janiak
submission deadline 5 Aug 2026 | Viewed by 501 | Submission Open
Keywords: wastewater treatment plants; biorefinery technologies; energy recovery; nutrient recovery; material recovery; circular economy
(This special issue belongs to the Section B: Energy and Environment)
Microbial Fuel Cells: Innovations and Applications
edited by
submission deadline 5 Aug 2026 | 1 articles | Viewed by 480 | Submission Open
Keywords: microbial fuel cells; advanced materials; novel designs; optimization; genetic engineering; case studies; field trials; AI; machine learning
(This special issue belongs to the Section D2: Electrochem: Batteries, Fuel Cells, Capacitors)
Research on Energy, Environment, and Sustainable Development: 2nd Edition
edited by Xiaobin Gu and Teng Xiong
submission deadline 5 Aug 2026 | Viewed by 378 | Submission Open
Keywords: solar energy; solar thermal; phase change materials; thermal energy storage; electrochemical energy storage; energy saving technology; solid waste recycling; soil remediation; microbial remediation; environmental remediation; sustainability
(This special issue belongs to the Section B: Energy and Environment)
Advances in Electrocatalysts for Sustainable Hydrogen Energy Conversion
edited by Rosalynn Nankya and
submission deadline 5 Aug 2026 | Viewed by 266 | Submission Open
Keywords: electrocatalysis; hydrogen evolution reaction (HER); oxygen evolution reaction (OER); nanostructured catalysts; MXenes and carbon-based materials; water splitting and fuel cells
(This special issue belongs to the Section A5: Hydrogen Energy)
Innovative Strategies for Sustainable and Efficient Energy Systems
edited by
submission deadline 5 Aug 2026 | Viewed by 258 | Submission Open
Keywords: energy conversion and storage; electrochemistry; sustainable energy technologies; kinetics; batteries; supercapacitors; fuel cells; advanced materials for energy
(This special issue belongs to the Section D: Energy Storage and Application)
Biodiesel: Production, Sources and Environmental Impact—2nd Edition submission deadline 5 Aug 2026 | Viewed by 244 | Submission Open
Keywords: non-edible fuel sources; biodiesel production; biodiesel properties; environmental impact; life cycle analysis; biological degradability
(This special issue belongs to the Section A4: Bio-Energy)
Investigation on the Kinetics of Gas Hydrates
edited by Xiaoya Zang
submission deadline 5 Aug 2026 | Viewed by 216 | Submission Open
Keywords: natural gas hydrate; formation kinetics; energy; carbon capture; sequestration
(This special issue belongs to the Section H: Geo-Energy)
Renewable Energy and Hydrogen Energy Technologies—2nd Edition
edited by , Jin Lin, and
submission deadline 5 Aug 2026 | Viewed by 201 | Submission Open
Keywords: hydrogen energy; hydrogen application; renewable energy; power and energy conversion; energy storage; integrated energy system; system planning and operation
(This special issue belongs to the Section A5: Hydrogen Energy)
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