Frontiers in Energy Research

Original Research

Published on 14 Jul 2026

Biohydrogen generation from un-pretreated spent coffee grounds with Clostridium thermocellum

in Hydrogen Storage and Production

Young Eun Song
Minha Jo
Xihui Kang
Kirch Czarina Quijano
Eric Schaedig
Katherine J. Chou
Eric Sundstrom

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1717891

391 views

Original Research

Published on 14 Jul 2026

Adaptive step-size perturb-and-observe MPPT for high-performance grid-connected photovoltaic converters

in Solar Energy

Kifayat Ullah
Arsalan Muhammad Soomar
Shoaib Shaikh
Muhammad Ishaq
Viola Gierszewska
Piotr Musznicki

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1822326

410 views

Original Research

Accepted on 13 Jul 2026

A Proposed Hybrid Machine Learning and Physics-Based Optimization Framework for Energy-Efficient Smart Buildings

in Energy Efficiency

Amin Alkabi

Frontiers in Energy Research

Original Research

Accepted on 13 Jul 2026

Research on the Economic Feasibility of Urban Power Grid Load Transfer Considering Heavy Rainfall and Waterlogging Risk

in Smart Grids

Xinquan Xia
Weiyang Hou
Xiafei Tang
Junyao Li
Zhi Ning

Frontiers in Energy Research

Original Research

Published on 13 Jul 2026

Static and dynamic performance assessment of a grid-connected solar photovoltaic system in a Nigerian 33/11 kV distribution network

in Smart Grids

Nsikak Etim Asuquo
A. I. Araga
Dauda Dahiru
Kenneth E. Okedu
Ilhami Colak

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1734900

414 views

Original Research

Accepted on 10 Jul 2026

Analysis of Optimal Power Flow for Day-Ahead Scheduling in South Africa Using Biologically Inspired Algorithms

in Smart Grids

Garth Greubel
Akhtar Kalam
Amit Agarwal

Frontiers in Energy Research

Review

Published on 10 Jul 2026

Aligning artificial intelligence and electricity systems for sustainable development in Africa

in Sustainable Energy Systems

David Mhlanga

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1845467

471 views

Original Research

Published on 10 Jul 2026

Electric load forecasting method considering the impact of multidimensional factors and multi-channel features

in Smart Grids

Danlei Xu
Shujun Wang
Yu Liu
Yanhong Wang

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1831466

472 views

Original Research

Accepted on 09 Jul 2026

A Two-Stage Stochastic Programming-Based Planning and Layout Model for Pumped-Storage Power Stations and Its Efficient Solution Algorithm

in Smart Grids

Ying Wang
Zhenyu He
Xu Ling
Xiaowei Yu
Jia Wang
Lijing Zhu

Frontiers in Energy Research

Review

Published on 09 Jul 2026

From static archetypes toward dynamic, condition-aware archetypes in UBEM: an integrative review with an illustrative case demonstration

in Energy Efficiency

Fariha Harun
Ergo Pikas
Elisa Iliste
Jaanus Hallik
Targo Kalamees

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1800126

481 views

Original Research

Published on 09 Jul 2026

Transformer rated capacity estimation based on multi-sequence impedance network

in Smart Grids

Yang Minggui
Zhang Xindong
Lei Yuxing
Li Bo

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1849948

591 views

Original Research

Published on 09 Jul 2026

Development of a novel microwave-assisted process that converts waste polyethylene plastic to ethylene

in Process and Energy Systems Engineering

Xiaoyan Wang
Chunlin Luo
Jianli Hu
Srinivas Palanki

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1726062

360 views

Review

Accepted on 08 Jul 2026

Advanced Micro-Tubular Solid Oxide Fuel Cells: Progress in Hollow-Fiber Materials, Co-Sintered Microtube Architectures, and Compact Power Device Integration

in Fuel Cells, Electrolyzers and Membrane Reactors

Norazreen Samsuri
Afdhal Junaidi
NORAZLIANIE SAZALI
Nuha Awang
Siti Munira Jamil

Frontiers in Energy Research

Review

Accepted on 08 Jul 2026

Distributed Energy Resources in the Electricity Supply Market: Participation Pathways, Applications, Challenges, and Key Recommendations—A European Perspective

in Sustainable Energy Systems

Shoaib Ahmed
Jamshed Ahmed
Mahwish Memon
Muhammad Fawad Shaikh
Qasir Ali
Abdul Majeed Shaikh
Aqeel Ahmed
Federico Minelli

Frontiers in Energy Research

Review

Accepted on 08 Jul 2026

Recent Developments in Biohydrogen Production through Dark Fermentation of Biomass Waste: Feedstocks, Microbial Population Dynamics, and System Integration

in Bioenergy and Biofuels

Tarekegn Limore Bincheboa
Satyanarayana Narra
Venkata ANCHA
Solomon Kebede Asefa
Teka Tesfaye Mangesha
Edo Begna Jiru
Mona-Maria Narra

Frontiers in Energy Research

Original Research

Accepted on 08 Jul 2026

Prediction and Empirical Research on China's Electricity Consumption and Energy Consumption per Unit GDP Based on AI-Driven Quantum Group Intelligence Algorithms—A Hybrid Model of KRLS and QFOA-SVR

in Energy Efficiency

Hao Zhou
Yuyan Xiang
Fei Li

Frontiers in Energy Research

Original Research

Accepted on 07 Jul 2026

A Hybrid Grey Wolf–Arithmetic Optimization Algorithm for High-Accuracy Parameter Identification of Photovoltaic Models

in Solar Energy

Ahmed Bencherqui
Mohamed Amine TAHIRI
Mhamed Sayyouri
Eman Abdullah Aldakheel
Doaa Sami Khafaga

Frontiers in Energy Research

Review

Accepted on 07 Jul 2026

Critical Assessment of Advanced Phase Change Material Composites for Latent Heat Thermal Energy Storage

in Nano Energy

Darsha Jayathunga
Hirushie Karunathilake
Mahinsasa Narayana
Sanjeeva Witharana

Frontiers in Energy Research

Original Research

Published on 07 Jul 2026

Distributed secondary voltage control of microgrids based on multi-agent systems using optimized sliding mode control

in Smart Grids

Tao Han
Zhihao Yang
Lina Wang

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1809562

487 views

Original Research

Accepted on 06 Jul 2026

Experimental Investigation of Light Pipe and Window Glazing Retrofitting for Improving Indoor Thermal Conditions and Daylight Availability in Existing Buildings Targeted for Green Retrofitting

in Energy Efficiency

Vijay Bhutani
Dr. Preeti Singh Bahadur
Sunil Kumar Sansaniwal

Frontiers in Energy Research

177 views

Review

Accepted on 06 Jul 2026

Economic and Equity Impacts of California Electrification

in Energy Efficiency

Priyanka Shrivastava
Omar Romero Hernandez
Sergio RomeroHernandez
Federico Castillo

Frontiers in Energy Research

165 views

Original Research

Accepted on 06 Jul 2026

Distributed Robust Optimization of Airborne Wind Energy-Integrated Energy Systems with Virtual Battery-Based Demand Response

in Process and Energy Systems Engineering

Xiaoyi Zhang
Puguang Hou

Frontiers in Energy Research

Original Research

Accepted on 06 Jul 2026

Coordinated Weekly and Daily Bidding Strategy for a Wind–Pumped-Hydro–Battery Hybrid Energy System in Multi-Level Electricity Markets

in Sustainable Energy Systems

Guodong Guo
Dan Wang
Yawei Xue
Fengshuo Xiao
Xiong Wu
Dong Liu

Frontiers in Energy Research

Original Research

Accepted on 06 Jul 2026

Carbon Emissions Reduction Potential of Carbon Pricing Policies in China

in Sustainable Energy Systems

Fangda Xu
Yun Zhang
Yan Zhang
Tao Ding

Frontiers in Energy Research

6,788 articles

articles

Biohydrogen generation from un-pretreated spent coffee grounds with Clostridium thermocellum

Adaptive step-size perturb-and-observe MPPT for high-performance grid-connected photovoltaic converters

A Proposed Hybrid Machine Learning and Physics-Based Optimization Framework for Energy-Efficient Smart Buildings

Research on the Economic Feasibility of Urban Power Grid Load Transfer Considering Heavy Rainfall and Waterlogging Risk

Static and dynamic performance assessment of a grid-connected solar photovoltaic system in a Nigerian 33/11 kV distribution network

Analysis of Optimal Power Flow for Day-Ahead Scheduling in South Africa Using Biologically Inspired Algorithms

Aligning artificial intelligence and electricity systems for sustainable development in Africa

Electric load forecasting method considering the impact of multidimensional factors and multi-channel features

A Two-Stage Stochastic Programming-Based Planning and Layout Model for Pumped-Storage Power Stations and Its Efficient Solution Algorithm

From static archetypes toward dynamic, condition-aware archetypes in UBEM: an integrative review with an illustrative case demonstration

Transformer rated capacity estimation based on multi-sequence impedance network

Development of a novel microwave-assisted process that converts waste polyethylene plastic to ethylene

Advanced Micro-Tubular Solid Oxide Fuel Cells: Progress in Hollow-Fiber Materials, Co-Sintered Microtube Architectures, and Compact Power Device Integration

Distributed Energy Resources in the Electricity Supply Market: Participation Pathways, Applications, Challenges, and Key Recommendations—A European Perspective

Recent Developments in Biohydrogen Production through Dark Fermentation of Biomass Waste: Feedstocks, Microbial Population Dynamics, and System Integration

Prediction and Empirical Research on China's Electricity Consumption and Energy Consumption per Unit GDP Based on AI-Driven Quantum Group Intelligence Algorithms—A Hybrid Model of KRLS and QFOA-SVR

A Hybrid Grey Wolf–Arithmetic Optimization Algorithm for High-Accuracy Parameter Identification of Photovoltaic Models

Critical Assessment of Advanced Phase Change Material Composites for Latent Heat Thermal Energy Storage

Distributed secondary voltage control of microgrids based on multi-agent systems using optimized sliding mode control

Experimental Investigation of Light Pipe and Window Glazing Retrofitting for Improving Indoor Thermal Conditions and Daylight Availability in Existing Buildings Targeted for Green Retrofitting

Economic and Equity Impacts of California Electrification

Distributed Robust Optimization of Airborne Wind Energy-Integrated Energy Systems with Virtual Battery-Based Demand Response

Coordinated Weekly and Daily Bidding Strategy for a Wind–Pumped-Hydro–Battery Hybrid Energy System in Multi-Level Electricity Markets

Carbon Emissions Reduction Potential of Carbon Pricing Policies in China