Journal profile · Engineering-Engineering (miscellaneous)
IET Energy Systems Integration
ISSN 2516-8401 · Wiley · United Kingdom
IET Energy Systems Integration: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 2.5 (journal website); fully open access; APC about USD 2,200; median 178 days to acceptance (68 articles, last 24 months); acceptance rate 17% (journal website); 28 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
IET Energy Systems Integration is published by Wiley and is in Zone 4 of Engineering in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Microgrid Control and Optimization, Smart Grid Energy Management and Integrated Energy Systems Optimization, together about 37.5% of its articles. Its main subfields are Electrical and Electronic Engineering. (generated from OpenAlex topic counts and CAS ranking data)
IET Energy Systems Integration is a Gold Open Access multi-disciplinary journal that covers the integration of multiple energy systems (e.g. electricity, nature gas, heating, cooling, hydrogen, and low-carbon transport), at various scales (from multinational, national, community scale down to building level) and across the energy supply chain (from energy conversion, transmission, distribution down to consumption). The journal publishes original research findings, the latest perspectives from research projects and technology development, and systematic reviews in the field of energy systems integration. The topics of interest include, but are not limited to: Energy Apparatus for ESI: Design, modelling and validation of energy apparatus for ESI Artificial intelligence, cyber security, and cyber-physical systems applied in energy apparatus Standards of advanced energy apparatus Technologies of Individual Energy Vectors for ESI: Technologies of: Electrical networks for ESI Natural gas networks for ESI District heating and cooling networks for ESI Hydrogen networks for ESI Alternative gases for ESI Low-carbon transport for ESI Demand side for ESI Multi-Vector Energy Systems Integration: Modelling and analysis of multi-vector energy systems Planning, operation and control of multi-vector energy systems Monitoring, asset management and maintenance Security and reliability of integrated energy systems Big data analytics Information and communication infrastructure Energy efficiencies and environmental impact of integrated energy systems Intelligent integrated energy infrastructure Analysis and optimization of integrated energy systems Economic, regulatory, financial, societal and policy aspects of the integrated energy systems Emerging technologies in ESI Interdependencies between Energy and other Infrastructures: Energy-water nexus Energy-food nexus Energy-water-food nexus Energy-water-land nexus Energy-transport nexus Energy-water-waste nexus Energy-manufacturing nexus Indexing Information: Directory of Open Access Journals (DOAJ) Emerging Sources Citation Index (Clarivate Analytics) COMPENDEX (Elsevier) INSPEC (IET) SCOPUS (Elsevier) Web of Science (Clarivate Analytics)
From the journal's Aims & Scope
Research area (LetPub): Engineering-Engineering (miscellaneous)
Editor-in-chief Chengshan WangPublisher website
Editorial board by country: 34 in mainland China (about 50%); most named Mainland China 34, United Kingdom 8, United States 5, Canada 4, Germany 3 (68 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Microgrid Control and OptimizationEngineering18%
- Smart Grid Energy ManagementEngineering12%
- Integrated Energy Systems OptimizationEngineering7.5%
- Optimal Power Flow DistributionEngineering6.7%
- Power System Optimization and StabilityEngineering5.7%
- Advanced Battery Technologies ResearchEngineering5.7%
- Electric Vehicles and InfrastructureEngineering4%
- HVDC Systems and Fault ProtectionEngineering3.9%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Energy & Fuels | Zone 4 |
| Minor | Engineering, Electrical & Electronic | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Energy & Fuels | Zone 4 |
| Minor | Engineering, Electrical & Electronic | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
ESCIScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
EI CompendexWeb of ScienceINSPECPublisher website
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor (publisher)
- 2.5Publisher website ·
- Impact factor (publisher) 2025
- 2.5Publisher website ·
- CiteScore 2026-06
- 5LetPub ·
- CiteScore (publisher)
- 5Publisher website ·
- CiteScore (publisher) 2025
- 5Publisher website ·
- SJR 2026-06
- 0.59LetPub ·
- SNIP 2026-06
- 0.53LetPub ·
- h-index
- 26OpenAlex ·
- i10-index
- 97OpenAlex ·
- 2-year mean citedness
- 3.01OpenAlex ·
- Self-citation rate
- 8%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 27LetPub ·
- Articles per year (publisher) 2025
- 28Publisher website ·
- Downloads per year (publisher) 2025
- 70,947Publisher website ·
Articles by year OpenAlex count · 336 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 35 | 35 | 15 |
| 2025 | 28 | 28 | 62 |
| 2024 | 54 | 54 | 275 |
| 2023 | 43 | 43 | 348 |
| 2022 | 39 | 39 | 308 |
| 2021 | 60 | 60 | 608 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Review time from article dates manuscript dates registered with Crossref · to
178 daysMedian, submission to acceptance · P25–P75 111 days – 223 days
- Acceptance to online
- median 18 days (68 articles)
- Submission to online
- median 201 days
- Sample
- 68 articles with submission and acceptance dates (71 in the window); the latest was accepted on
Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".
Other sources
- Average review time (community reports)
- about 11 weeksLetPub ·
- Acceptance rate (publisher)
- 17%Publisher website ·
- Acceptance rate (publisher) 2025
- 17%Publisher website ·
- Submission to first decision
- 22 daysPublisher website ·
- Submission to first decision 2025
- 22 daysPublisher website ·
- Submission to acceptance 2025
- 189 daysPublisher website ·
- Acceptance to publication 2025
- 21 daysPublisher website ·
- Submission to publication (journal-reported)
- about 11 weeksDOAJ ·
- Peer review
- Single anonymous peer reviewDOAJ
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Fully open accessDOAJ
Every article is open access; authors usually pay an article processing charge (APC).
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | USD 2,200 / GBP 1,700 / EUR 2,080 | Yes | CC BY, CC BY-ND, CC BY-NC, CC BY-NC-ND | |
| OpenAlex | USD 2,200 / EUR 2,000 / GBP 1,700 | — | — | |
| LetPub | EUR 2,000 / GBP 1,700 / USD 2,200 | Yes | — | |
| Publisher website | Yes, amount not published | — | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
What to prepare3 items from the author guidelines
- Reference style
- Chicago
- First submission
- Free format: the journal's layout is not required
- Graphical abstract
- Required
Article types accepted10
- case studyCase Study Report on a specific instance of an interesting or particular phenomenon or instance related to research areas covered by a journal’s scope.Length not stated
- commentaryThe following article types are included in IET Energy Systems Integration: Original Research Paper Report of original research findings and data. Review Critic…Length not stated
- industry articleIndustry Article A report from industrial-based scientists undertaking R&D on a new technology, application or technique which may facilitate future product dev…Length not stated
- opinionThe following article types are included in IET Energy Systems Integration: Original Research Paper Report of original research findings and data. Review Critic…Length not stated
- original researchThe following article types are included in IET Energy Systems Integration: Original Research Paper Report of original research findings and data. Review Critic…Length not stated
- original research paperThe following article types are included in IET Energy Systems Integration: Original Research Paper Report of original research findings and data. Review Critic…Length not stated
- perspectiveThe following article types are included in IET Energy Systems Integration: Original Research Paper Report of original research findings and data. Review Critic…Length not stated
- research articleThe following article types are included in IET Energy Systems Integration: Original Research Paper Report of original research findings and data. Review Critic…Length not stated
- reviewThe following article types are included in IET Energy Systems Integration: Original Research Paper Report of original research findings and data. Review Critic…Length not stated
- review articleThe following article types are included in IET Energy Systems Integration: Original Research Paper Report of original research findings and data. Review Critic…Length not stated
Policy excerpts from the journal's websiteAuthorship, Data availability, License & copyright, Open access, Peer review, Preprints, Self-archiving
- Authorship Authorship
For a complete overview of our Ethical Policies for the IET journals, please click here. The IET believes in clear, transparent and verifiable authorship. All listed authors should have contributed to the manuscript substantially and have agreed to the final submitted version. Where possible, please use institutional email addresses for all authors listed on your manuscript. If we are unable to co…
Source ↗Publisher website ·- Data availability Data Sharing and Data Availability
Data sharing expected Model summary
IET journals expects data sharing. Please review Wiley’s Data Sharing policy where you will be able to see and select the data availability statement that is right for your submission.
Source ↗Publisher website ·- License & copyright Reproduction of Copyright Material
If excerpts from copyrighted works owned by third parties are included, credit must be shown in the contribution. It is your responsibility to also obtain written permission for reproduction from the copyright owners. For more information visit Wiley’s Copyright Terms and Conditions FAQ. The corresponding author is responsible for obtaining written permission to reproduce the material "in print an…
Source ↗Publisher website ·- Open access 1. Open Access
All IET journals are Gold Open Access titles. Submissions will be subject to an APC if accepted and published in the journal. You can read more about APCs and whether you may be eligible for waivers or discounts, through your institution, funder, or a country waiver. All Article Processing Charges for IET Energy Systems Integration are sponsored by Tianjin University; authors do not need to pay. T…
Source ↗Publisher website ·- Peer review 5. Peer Review and Decisions
IET Energy Systems Integration operates under a single-anonymized peer review model. Papers will only be sent to review if the Editor-in-Chief (or designated Editor) determines that the paper meets the appropriate quality and relevance requirements. The final decision to publish is made by the Editor-in-Chief. This is applicable to all submissions, including those for special issues. In-house subm…
Source ↗Publisher website ·- Preprints Preprint Policy
Preprints accepted Model summary
Please find the Wiley preprint policy here. All IET journals accept articles previously published on preprint servers. All IET journals will consider review articles previously available as preprints. You are requested to update any pre-publication versions with a link to the final published article. You may also post the final published version of the article immediately after publication.
Source ↗Publisher website ·- Self-archiving
Green OA allowed without embargo Model summary
Authors can deposit all versions of their manuscript in an institutional repository, or other repository of their choice, without embargo.
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Wiley
- Country or region
- United Kingdom
- Language
- English
- ISSN
- 2516-8401
- Latest issue on the website
- Volume 8, Issue 1 (December 2026)
- Official links
- Journal homepage ↗LetPub
- Submission system ↗Publisher website
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- Special issues ↗Publisher website
- APC information ↗DOAJ
- Fee waivers ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
- Plagiarism policy ↗DOAJ
FAQ
Frequently asked questions about IET Energy Systems Integration
What CAS zone is IET Energy Systems Integration in?
In the 2025 upgraded edition of the CAS Journal Ranking, IET Energy Systems Integration is in Zone 4 of Engineering, and in Zone 4 of the minor category Energy & Fuels / Engineering, Electrical & Electronic. In the 2026 Xinrui edition it is in Zone 4 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of IET Energy Systems Integration?
The journal's website gives an impact factor of 2.5 (2025); this is the journal's own figure, as LetPub lists none for it; CiteScore 5, h-index 26.
How long does peer review take at IET Energy Systems Integration?
Based on the dates recorded on 68 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 178 days (interquartile range 111–223 days); authors report an average review time of about 11 weeks; the journal's website gives an acceptance rate of 17% (2025). Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
What are the manuscript requirements of IET Energy Systems Integration?
According to the journal's author guidelines: Reference style: Chicago; First submission: Free format: the journal's layout is not required; Graphical abstract: Required. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Where are the editorial board members of IET Energy Systems Integration based?
Of the 68 board members whose country the journal's board page names, 34 (about 50%) are in mainland China; the countries named most often are Mainland China (34), United Kingdom (8) and United States (5). Counted from the institutions listed on the board page; for reference only.
Which databases index IET Energy Systems Integration?
According to LetPub and DOAJ records, IET Energy Systems Integration is indexed in ESCI, Scopus and DOAJ. The journal's website also lists EI Compendex, Web of Science and INSPEC; that list has not been checked against each database.
Is IET Energy Systems Integration open access, and what is the APC?
IET Energy Systems Integration is a fully open-access journal. APC about USD 2,200.
Sources and updates
The facts on this page come from LetPub, Publisher website, OpenAlex, DOAJ; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .