Journal profile · ENERGY & FUELS

Energies

ISSN 1996-1073 · MDPI (Basel, Switzerland) · SWITZERLAND · Quarterly · Founded 2008

Energies: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 3.92; fully open access; APC charged, amount not published; review about 2 months (community reports); community-reported acceptance: 80%; 6,760 articles in 2025; indexed in SCIE and Scopus; flagged on an early-warning list or for an indexing change: check before submitting.

Impact factor3.92Latest value listed by LetPub
CAS zoneZone 4 · Engineering2025 upgraded edition, major category · 2026 Xinrui edition Zone 3 · Engineering
Review timeabout 2 monthsCommunity average
APCCharged, amount not publishedFully open access
Acceptance80%Community average
Articles per year6,7602025 · OpenAlex count

Scope

Aims, scope and focus

Energies is published by MDPI (Basel, Switzerland) 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 Advanced Battery Technologies Research, together about 24.3% of its articles. Its main subfields are Electrical and Electronic Engineering. (generated from OpenAlex topic counts and CAS ranking data)

Papers are accepted in the following fields: Energy and environment, sustainable transition Bioenergy Clean energy The hydrogen energy chain Distributed energy systems Energy and climate change Carbon emission and utilization Recycling of material and energy streams Sustainability analysis metrics: theory and applications Energy storage and applications Advanced energy materials Batteries, fuel cells, capacitors Micro- and nanoenergy conversion systems Energy and buildings Smart cities and urban management Phase change materials for energy storage Electrical engineering Electric vehicles Smart grids and microgrids Power electronics Electrical power systems Energy sources Wind Solar Hydro Fossil Nuclear Geothermal Other (ocean thermal energy conversion, wave, tidal, etc.) Energy conversion fundamentals Heat and mass transfer Thermodynamics Entropy analysis Exergy analysis Diagnostics and prognostics of energy conversion chains Artificial intelligence in energy systems design and control Monitoring and control systems Chemical energy Fuels Energy and combustion science Petroleum engineering New working fluids for energy applications Energy economics and policy Energy use in industry

From the journal's Aims & Scope

Research area (LetPub): ENERGY & FUELS

Editorial board by country: 2 in mainland China (about 6%); most named Italy 7, United States 4, Spain 3, Portugal 3, Mainland China 2 (32 members with a country) Editorial board ↗Publisher website ·

Main research topics OpenAlex counts of recent articles; shares are approximate

  1. Microgrid Control and OptimizationEngineering9.4%
  2. Smart Grid Energy ManagementEngineering7.8%
  3. Advanced Battery Technologies ResearchEngineering7.2%
  4. Building Energy and Comfort OptimizationEngineering5.8%
  5. Electric Vehicles and InfrastructureEngineering5.5%
  6. Integrated Energy Systems OptimizationEngineering4.8%
  7. Energy Load and Power ForecastingEngineering4.7%
  8. Hybrid Renewable Energy SystemsEnergy4.5%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorEnergy & FuelsZone 4

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Engineering Zone 3
LevelCategoryZone
MajorEngineeringZone 3
MinorEnergy & FuelsZone 4

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorEnergy & FuelsZone 4

Top journal: noReview journal: no

JCR / CiteScore quartiles on the journal's website

Publisher-reported: JCR figures are Clarivate's and CiteScore figures Scopus's to confirm; both are a different system from the CAS zones.Publisher website

Database indexing

SCIEScopusDOAJLetPub

Early warning / risk: CAS Early Warning Journal List: listed in the 2020 edition (low risk); not listed in the other 5 editions.LetPub

Indexing the journal's website claims

EI CompendexWeb of ScienceINSPECCASPublisher website

Other: RePEc

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
3.92LetPub ·
Impact factor (publisher) 2025
3.9Publisher website ·
5-year impact factor (publisher) 2025
3.5Publisher website ·
CiteScore 2026-06
8.3LetPub ·
CiteScore (publisher)
8.3Publisher website ·
SJR 2026-06
0.75LetPub ·
SNIP 2026-06
1.09LetPub ·
h-index
64LetPub ·
h-index
232OpenAlex ·
i10-index
31,758OpenAlex ·
2-year mean citedness
5.13OpenAlex ·
Self-citation rate
12.8%LetPub ·
Share of gold OA articles
99.94%LetPub ·

Volume

Articles per year
6,772LetPub ·

Articles by year OpenAlex count · 64,894 in total · the current year is incomplete

YearArticlesOpen accessCitations
20264,3964,3962,588
20256,7606,76030,498
20246,4196,41957,150
20237,9237,923117,792
20229,8819,881163,325
20218,7518,751173,597

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

Average review time (community reports)
about 2 monthsLetPub ·
Average acceptance (community reports)
80%LetPub ·
Submission to first decision
16.7 daysPublisher website ·
Acceptance to publication
3.5 daysPublisher website ·
Submission to publication (journal-reported)
about 6 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).

SourceAPCFee waiverLicenseObserved
DOAJCHF 2,600YesCC BY
OpenAlexCHF 2,600——
LetPubCHF 2,600Yes—
Publisher websiteYes, 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 prepare7 items from the author guidelines
Abstract
≤ 200 words
Reference style
Author–date
Templates
LaTeX and Word
First submission
Free format: the journal's layout is not required
Suggested reviewers
Required, 3
Graphical abstract
Optional
Cover letter
Required
Publisher website · model-extracted, each line checked against the text
Article types accepted20
  1. articleArticle: These are original research manuscripts. The work should report scientifically sound experiments and provide a substantial amount of new information. T…Length not stated
  2. book reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  3. brief communicationAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  4. brief reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  5. case reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  6. commentaryAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  7. conference reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  8. editorialAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  9. hypothesisAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  10. letterAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  11. opinionAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  12. perspectiveAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  13. protocolAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  14. registered reportAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  15. reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  16. scoping reviewA Scoping Review type can be submitted as a Review. The structure is similar to that of a review. Scoping reviews should strictly follow the PRISMA extension fo…Length not stated
  17. systematic reviewAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  18. technical noteAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  19. tutorialAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
  20. viewpointAll Article Types Article Review Communication Editorial Abstract Book Review Brief Communication Brief Report Case Report Clinicopathological Challenge Comment…Length not stated
Publisher website
Policy excerpts from the journal's websiteAuthorship, Conflicts of interest, Data availability, Publication ethics, License & copyright, Open access, Peer review, Preprints
Authorship Authorship

MDPI follows the International Committee of Medical Journal Editors (ICMJE) guidelines which state that, in order to qualify for authorship of a manuscript, the following criteria should be observed: Make substantial contributions to the conception or design of the work, or the acquisition, analysis, or interpretation of data for the work; Draft the work or review it critically for important intel…

Source ↗Publisher website ·
Conflicts of interest Conflicts of Interest

According to The International Committee of Medical Journal Editors, “Authors should avoid entering into agreements with study sponsors, both for-profit and non-profit, that interfere with authors’ access to all of the study’s data or that interfere with their ability to analyze and interpret the data and to prepare and publish manuscripts independently when and where they choose.” All authors mus…

Source ↗Publisher website ·
Data availability Data availability statements

Data availability statements are required for all articles published with MDPI. During the peer review and editorial decision process, authors can be asked to share existing datasets or raw data that have been analyzed in the manuscript, and whether they will be made available to other researchers following publication. Authors will also be asked for the details of any existing datasets that have …

Source ↗Publisher website ·
Publication ethics Publication Ethics Statement

Energies is a member of the Committee on Publication Ethics (COPE). We fully adhere to its Code of Conduct and to its Best Practice Guidelines. The editors of this journal enforce a rigorous peer review process together with strict ethical policies and standards to ensure to add high quality scientific works to the field of scholarly publication. Unfortunately, cases of plagiarism, data falsificat…

Source ↗Publisher website ·
License & copyright Copyright / Open Access

Articles published in Energies will be Open-Access articles distributed under the terms and conditions of the Creative Commons Attribution License (CC BY). The copyright is retained by the author(s). MDPI will insert the following note at the end of the published text: © 2026 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and c…

Source ↗Publisher website ·
Open access Open access publication fees

If you transfer your manuscript to another open access (OA) journal, you will be charged an Article Processing Charge (APC) if your article is accepted for publication. The APC for each journal can be found on the individual journal’s website. For more information about APCs, please see here.

Source ↗Publisher website ·
Peer review Editorial Process and Peer Review

All submissions are thoroughly peer-reviewed by experts within the field and undergo a structured editorial workflow designed to ensure quality, transparency, and scientific integrity. The full editorial procedure is available on the Editorial Process page and is also provided below. Pre-check Pre-check consists of a technical pre-check performed by the Editorial Office and an editorial pre-check …

Source ↗Publisher website ·
Preprints Preprints and Conference Papers

Energies accepts submissions that have previously been made available as preprints provided that they have not undergone peer review. A preprint is a draft version of a paper made available online before submission to a journal. MDPI operates Preprints, a preprint server to which submitted papers can be uploaded directly after completing journal submission. Note that Preprints operates independent…

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
MDPI (Basel, Switzerland)
Country or region
SWITZERLAND
Language
English
Frequency
Quarterly
Founded
2008
ISSN
1996-1073
Latest issue on the website
Volume 19 (2026)
Official links

FAQ

Frequently asked questions about Energies

What CAS zone is Energies in?

In the 2025 upgraded edition of the CAS Journal Ranking, Energies is in Zone 4 of Engineering, and in Zone 4 of the minor category Energy & Fuels. In the 2026 Xinrui edition it is in Zone 3 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.

What is the impact factor of Energies?

The latest impact factor listed by LetPub is 3.92; CiteScore 8.3, h-index 232.

How long does peer review take at Energies?

Authors report an average review time of about 2 months; the community-reported acceptance is “80%”. 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 Energies?

According to the journal's author guidelines: Abstract: ≤ 200 words; Reference style: Author–date; Templates: LaTeX and Word; First submission: Free format: the journal's layout is not required; Suggested reviewers: Required, 3; Graphical abstract: Optional; Cover letter: 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 Energies based?

Of the 32 board members whose country the journal's board page names, 2 (about 6%) are in mainland China; the countries named most often are Italy (7), United States (4) and Spain (3). Counted from the institutions listed on the board page; for reference only.

Which databases index Energies?

According to LetPub and DOAJ records, Energies is indexed in SCIE, Scopus and DOAJ. The journal's website also lists EI Compendex, Web of Science, INSPEC and CAS; that list has not been checked against each database.

Is Energies open access, and what is the APC?

Energies is a fully open-access journal. APC charged, amount not published.

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 2026-08-25). Last updated: .