Frontiers in Energy Research | Energy Efficiency

Original Research

Published on 04 Aug 2026

Integrated waste heat recovery from converter valves using a vapor-compression heat pump and single-effect LiBr absorption chiller

in Energy Efficiency

Qihao Zhang
Weijie Zhao
Jiehai Xu
Wei Xiao
Shaojie Chen
Haofeng Zhang
Zheng Zhong
Sidun Fang

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1835257

592 views

Original Research

Published on 04 Aug 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

doi 10.3389/fenrg.2026.1822035

506 views

Review

Published on 31 Jul 2026

Economic and equity impacts of California electrification

in Energy Efficiency

Priyanka Shrivastava
Omar Romero Hernandez
Sergio Romero Hernandez
Federico Castillo

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1863000

491 views

Original Research

Published on 30 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
Preeti Singh Bahadur
Sunil Kumar Sansaniwal

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1884142

509 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

233 views

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

655 views

Original Research

Published on 26 Jun 2026

Short-term forecasting method for air-conditioning load of commercial buildings based on stacking ensemble learning for the new-type power system

in Energy Efficiency

Shana Zhu
Qingrong Zheng
Rui Zhang

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1819730

819 views

Original Research

Published on 11 Jun 2026

Large industrial load forecasting using a timemixer model with frequency-domain attention and multi-scale frequency-domain convolution

in Energy Efficiency

Shiyao Cheng
Maomao Ding
Zhongwei Cai
Boyang Chen
Lijian Chang

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1864159

838 views

Original Research

Published on 11 Jun 2026

The deep renovation of high-rise apartment buildings to create positive-energy neighborhood

in Energy Efficiency

T. Kalamees
J. Hallik
E. Arumägi
E. Pikas

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1822792

1,605 views

Original Research

Published on 08 Jun 2026

From geometry to sustainability: optimal shapes of hip roof houses

in Energy Efficiency

Ewa Rokita-Magdziarz
Barbara Gronostajska
Marcin Magdziarz

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1856004

1,278 views

Original Research

Published on 13 May 2026

Improving the reliability of urban building energy modelling through automated data processing

in Energy Efficiency

Elisa Iliste
Ergo Pikas
Targo Kalamees

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1806403

1,471 views

Original Research

Published on 21 Apr 2026

Enhancing comprehensive performance of cellulose insulating paper modified by atmospheric pressure low-temperature plasma with Octamethylcyclotetrasiloxane/O2 addition

in Energy Efficiency

Ming Pan
Hao Gao
Xiaotong Zhang
Qingfu Yang

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1773802

1,431 views

Original Research

Published on 18 Feb 2026

A federated collaborative short-term industrial load forecasting method integrating meta-learning and differentiated privacy allocation

in Energy Efficiency

Maomao Ding
Zhongwei Cai
Boyang Chen
Junjie Han

Frontiers in Energy Research

doi 10.3389/fenrg.2026.1778611

1,385 views

Original Research

Published on 22 Jan 2026

Research on operational flexibility and energy consumption characteristics of cogeneration considering primary network heat transfer constraints

in Energy Efficiency

Cheng Sun
Tianjie Wu
Changhao Fan
Wei Hu
Xiaowei Yang
Biao Zhang

Frontiers in Energy Research

doi 10.3389/fenrg.2025.1658702

1,424 views

Editorial

Published on 05 Jan 2026

Editorial: Energy management, energy efficiency policies, and energy system studies

in Energy Efficiency

Patrik Thollander
Maria Johansson
A. S. M. Monjurul Hasan
Andrea Trianni

Frontiers in Energy Research

doi 10.3389/fenrg.2025.1761168

1,470 views

Original Research

Published on 18 Dec 2025

ATT-enhanced inception-BiGRU-Seq2Seq model for short-term user-level load forecasting during heatwaves

in Energy Efficiency

Wuxiao Chen
Zhijun Jiang
Yuqing Cai
Han Lin
Nan Lin
Zhihong Huang

Frontiers in Energy Research

doi 10.3389/fenrg.2025.1743487

2,538 views

Original Research

Published on 24 Oct 2025

A novel NSGA-based co-optimization design framework of dual-motor parameters and energy management for electric cargo vehicles

in Energy Efficiency

Kai Han
Chengli Zhang
Nannan Sun
Guixiang Zhu
Zongqi Geng
Lexin Chen
Chilin Liu
Mingyao Gong

Frontiers in Energy Research

doi 10.3389/fenrg.2025.1647434

2,454 views

Original Research

Published on 13 Oct 2025

Green innovation effects and energy efficiency enhancement of China’s innovative industrial cluster pilot policies: evidence from 281 cities

in Energy Efficiency

Pinglu Zhou
Xiaoya Ning

Frontiers in Energy Research

doi 10.3389/fenrg.2025.1610157

4,254 views
1 citation

Original Research

Published on 23 Sep 2025

A collaborative analysis based on multi-objective programming method for energy consumption reduction and governance investment

in Energy Efficiency

Yige Sun
Hanlin Wang

Frontiers in Energy Research

doi 10.3389/fenrg.2025.1611945

2,279 views

Perspective

Published on 22 Sep 2025

The lack of systems thinking and interdisciplinarity is killing the hydrogen economy

in Energy Efficiency

Kumail Marnate

Frontiers in Energy Research

doi 10.3389/fenrg.2025.1674809

2,325 views
3 citations

Original Research

Published on 29 Aug 2025

Energy and greenhouse effect emission analysis in small-scale rice cultivation: a case study in Tulungagung, Indonesia

in Energy Efficiency

Musthofa Lutfi
Nining Pambudi Astuti
Ary Mustofa Ahmad
Siti Asmaul Mustaniroh
Asaduddin Luqman
Lely Indah Mindarti

Frontiers in Energy Research

doi 10.3389/fenrg.2025.1579617

2,720 views
1 citation

Original Research

Published on 14 Aug 2025

Improving the synchronous stability of grid-following converters using flux linkage feedback combined with the DFF neural network

in Energy Efficiency

Yang Liu
Haoheng Li
Yiming Ma

Frontiers in Energy Research

doi 10.3389/fenrg.2025.1644865

1,843 views

Brief Research Report

Published on 12 Aug 2025

Harvesting energy’s worth: an economic assessment of energy at wheat farms

in Energy Efficiency

Hamed Rafiee
Omid Karami
Atabak Kazempour Kahriz
Reza Shakeri Bostanabad
Alireza Kermani

Frontiers in Energy Research

doi 10.3389/fenrg.2025.1522280

3,053 views

Original Research

Published on 31 Jul 2025

A new stochastic multi-objective model for the optimal management of a PV/wind integrated energy system with demand response, P2G, and energy storage devices

in Energy Efficiency

Hossein Faramarzi
Navid Ghaffarzadeh
Farhad Shahnia

Frontiers in Energy Research

doi 10.3389/fenrg.2025.1537703

3,667 views
4 citations

71 articles

articles

Integrated waste heat recovery from converter valves using a vapor-compression heat pump and single-effect LiBr absorption chiller

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

Economic and equity impacts of California electrification

Experimental investigation of light pipe and Window glazing retrofitting for improving indoor thermal conditions and daylight availability in existing buildings targeted for green retrofitting

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

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

Short-term forecasting method for air-conditioning load of commercial buildings based on stacking ensemble learning for the new-type power system

Large industrial load forecasting using a timemixer model with frequency-domain attention and multi-scale frequency-domain convolution

The deep renovation of high-rise apartment buildings to create positive-energy neighborhood

From geometry to sustainability: optimal shapes of hip roof houses

Improving the reliability of urban building energy modelling through automated data processing

Enhancing comprehensive performance of cellulose insulating paper modified by atmospheric pressure low-temperature plasma with Octamethylcyclotetrasiloxane/O2 addition

A federated collaborative short-term industrial load forecasting method integrating meta-learning and differentiated privacy allocation

Research on operational flexibility and energy consumption characteristics of cogeneration considering primary network heat transfer constraints

Editorial: Energy management, energy efficiency policies, and energy system studies

ATT-enhanced inception-BiGRU-Seq2Seq model for short-term user-level load forecasting during heatwaves

A novel NSGA-based co-optimization design framework of dual-motor parameters and energy management for electric cargo vehicles

Green innovation effects and energy efficiency enhancement of China’s innovative industrial cluster pilot policies: evidence from 281 cities

A collaborative analysis based on multi-objective programming method for energy consumption reduction and governance investment

The lack of systems thinking and interdisciplinarity is killing the hydrogen economy

Energy and greenhouse effect emission analysis in small-scale rice cultivation: a case study in Tulungagung, Indonesia

Improving the synchronous stability of grid-following converters using flux linkage feedback combined with the DFF neural network

Harvesting energy’s worth: an economic assessment of energy at wheat farms

A new stochastic multi-objective model for the optimal management of a PV/wind integrated energy system with demand response, P2G, and energy storage devices