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Advances in Electric Power Systems and Renewable-Energy-Integrated Grids

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F1: Electrical Power System".

Deadline for manuscript submissions: 14 August 2026 | Viewed by 1049

Special Issue Editors


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Guest Editor
College of Electrical Engineering, Sichuan University, Chengdu 610065, China
Interests: power systems; renewable energy integration; AI; cyber–physical security; climate resilience; risk management
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
College of Electrical Engineering, Shanghai University of Electric Power, Shanghai 200000, China
Interests: smart distribution and utilization of electric power; flexibility resource scheduling; management and control of distributed generation
College of Electrical Engineering, Sichuan University, Chengdu 610065, China
Interests: planning and operational optimization of power systems; low-carbon-oriented integrated planning of generation, network, load, and storage

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Guest Editor
College of Electrical Engineering and Automation, Fuzhou University, Fuzhou 350000, China
Interests: demand-side energy management; peer-to-peer energy market trading; low-carbon energy transition of power systems; smart grid planning and operation

Special Issue Information

Dear Colleagues,

It is difficult to envision the future development of electric power systems without the thorough integration of renewable energy resources. Driven by global decarbonization goals and rapid technological progress, power grids are evolving from traditional centralized structures toward highly distributed, power-electronics-dominated, and data-driven systems. Large-scale integration of wind and solar generation, together with emerging flexible resources such as energy storage systems, electric vehicles, and demand-side response, has significantly enhanced the sustainability of power systems. At the same time, it has brought unprecedented challenges related to uncertainty, variability, reduced system inertia, and increasingly complex interactions across generation, network, and demand layers. These challenges have stimulated intensive research on advanced modeling, operation, control, and planning methods to ensure the secure, efficient, and resilient operation of renewable-energy-integrated grids.

This Special Issue aims to present and disseminate recent advances related to the theory, modeling, operation, control, and planning of electric power systems with high penetration of renewable energy.

Topics of interest for publication include, but are not limited to, the following:

  • Advanced modeling and analysis of electric power systems with high renewable energy penetration;
  • Renewable energy integration technologies and grid-forming/grid-following control strategies;
  • Flexibility modeling, aggregation, and utilization of energy storage systems, electric vehicles, and demand response;
  • Uncertainty-aware operation and planning methods for renewable energy integrated grids;
  • Stability, security, and resilience of power systems under high renewable penetration;
  • Power-electronics-dominated power systems and advanced converter control;
  • Coordinated operation of transmission and distribution systems;
  • Integrated planning of generation, transmission, and distribution networks;
  • Data-driven and machine learning-based methods for power system analysis and operation;
  • Market mechanisms and pricing strategies supporting renewable energy integration;
  • Integrated energy systems and sector coupling with renewable-dominated power grids.

Dr. Jiaqi Ruan
Prof. Dr. Jian Zhao
Dr. Chenjia Gu
Dr. Chenxi Zhang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • renewable-energy-integrated power systems
  • smart grids
  • power system planning and operation
  • flexible resource scheduling
  • distributed generation
  • demand-side energy management
  • source–grid–load–storage coordination
  • low-carbon energy transition
  • electricity market mechanisms
  • intelligent distribution networks

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Published Papers (2 papers)

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Research

24 pages, 3332 KB  
Article
Life-Cycle Techno-Economic Optimization of Complex-Terrain Wind Farms
by Xin Wang and Fashe Li
Energies 2026, 19(11), 2489; https://doi.org/10.3390/en19112489 - 22 May 2026
Viewed by 421
Abstract
To address the poor quality of early-stage wind measurement data and the limited representativeness of short-term observations for long-term climatic conditions in mountainous wind farms, this study takes a 150 MW wind power project in Guangxi, China, as a case study and proposes [...] Read more.
To address the poor quality of early-stage wind measurement data and the limited representativeness of short-term observations for long-term climatic conditions in mountainous wind farms, this study takes a 150 MW wind power project in Guangxi, China, as a case study and proposes an integrated framework of “stepwise data fusion-key parameter refinement-life-cycle techno-economic optimization”. For wind resource assessment, a two-stage fusion strategy combining same-mast correlation-based infilling and mesoscale data extrapolation was developed, effectively resolving the heterogeneous data quality among six meteorological masts and revealing significant spatial variations in the wind shear exponent (0.058–0.348). Based on a conservative criterion, the 50-year return-period maximum wind speed was determined to be 31.4 m/s. For turbine selection, the levelized cost of energy was adopted as the core evaluation metric to compare six turbine models rated at 6.0–6.25 MW. The results show that WTG5-200-6.25 is the optimal option, with a levelized cost of energy (LCOE) of 0.321 CNY/kWh, an annual grid-connected electricity generation of 269.915 GWh, and 1799 equivalent full-load hours. In addition, the project can save 82.9 thousand tons of standard coal annually and yield approximately CNY 311 million in carbon-trading revenue over 25 years. The proposed framework provides a useful reference for wind power projects in complex terrain. Full article
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14 pages, 2749 KB  
Article
Impact of Short-Circuit Capacity on Frequency Regulating Reserve: A Case Study on Implications for Market Design Considering Regional System Strength
by Gipyo Kweon, Minseok Kim, Daebeom Lee, Chaea Kim, Dongwon Lee, Beomju Kim and Jeonghoo Park
Energies 2026, 19(9), 2189; https://doi.org/10.3390/en19092189 - 30 Apr 2026
Viewed by 324
Abstract
The large-scale integration of renewable energy into modern power grids has led to a critical reduction in both system-wide rotational inertia and localized system strength. While previous studies have often analyzed these two factors in isolation, this paper observes their interdependent relationship. Specifically, [...] Read more.
The large-scale integration of renewable energy into modern power grids has led to a critical reduction in both system-wide rotational inertia and localized system strength. While previous studies have often analyzed these two factors in isolation, this paper observes their interdependent relationship. Specifically, this paper demonstrates the impact of short-circuit capacity (SCC) on system reserve requirements by quantifying the Frequency Regulating Reserve (FRR) volume necessary to satisfy frequency nadir criteria under the most severe contingency. This quantification is based on a comparative analysis of regional renewable energy deployment in the Korean power system. The simulation results reveal that the required FRR increases significantly when renewables are deployed in areas with low SCC. These findings highlight the potential hidden costs of interconnecting renewables in a weak grid area, particularly from the perspective of system inertia, underscoring the necessity of considering location-aware markets in future power systems. Full article
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