Journal profile · Multiple
International Journal of Renewable Energy Development-IJRED
ISSN 2252-4940 · eISSN 2716-4519 · Diponegoro University · Indonesia
International Journal of Renewable Energy Development-IJRED: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 2.1 (journal website); fully open access; APC about USD 350; median 114 days to acceptance (102 articles, last 24 months); acceptance rate 36% (journal website); 106 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
International Journal of Renewable Energy Development-IJRED is published by Diponegoro University 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 Biodiesel Production and Applications, Energy and Environment Impacts and Hybrid Renewable Energy Systems, together about 23.7% of its articles. Its main subfields are Biomedical Engineering. (generated from OpenAlex topic counts and CAS ranking data)
INTERNATIONAL JOURNAL OF RENEWABLE ENERGY DEVELOPMENT (IJRED) seeks to promote and disseminate knowledge of the various topics and technologies of renewable energy and its developments. Furthermore, the journal is also aimed at assisting researchers, and societies to keep abreast of new developments in their specialist fields and to unite in finding alternative energy solutions to current issues. The scope of the journal encompasses the following: Photovoltaic Technology Conversion Solar Thermal Applications Biomass Conversion Wind Energy Technology, Materials Science Technology, Solar and Low Energy Architecture, Energy Conservation in Buildings, Geothermal, Wave and Tide, Ocean Thermal Energies, Mini Hydro Power Hydrogen Production Technology, Energy policy, Socio-economic on Energy Energy Efficiency and Management. IJRED accepts original research papers or any other original contribution in the form of reviews and reports on development of Renewable energy.
From the journal's Aims & Scope
Research area (LetPub): Multiple
Editorial board by country: 2 in mainland China (about 6%); most named Indonesia 9, Malaysia 5, Iran 3, Vietnam 3, Mainland China 2 (34 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Biodiesel Production and ApplicationsEngineering8.9%
- Energy and Environment ImpactsEnvironmental Science8.1%
- Hybrid Renewable Energy SystemsEnergy6.8%
- Photovoltaic System Optimization TechniquesEnergy6.4%
- Solar Thermal and Photovoltaic SystemsEnergy6.3%
- Thermochemical Biomass Conversion ProcessesEngineering6.2%
- Wind Energy Research and DevelopmentEngineering5.8%
- Solar Radiation and PhotovoltaicsComputer Science5.5%
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 | Green & Sustainable Science & Technology | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Green & Sustainable Science & Technology | Zone 4 |
| Minor | Energy & Fuels | 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
CNKI, SCImago Journal & Country Rank (SJR), CNKI Scholar, ASEAN Citation Index, ScimagoPublisher 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)
- 2.1Publisher website ·
- CiteScore 2026-06
- 5.6LetPub ·
- CiteScore (publisher) 2025
- 5.6Publisher website ·
- SJR 2026-06
- 0.46LetPub ·
- SJR (publisher)
- 0.46Publisher website ·
- SNIP 2026-06
- 0.74LetPub ·
- SNIP (publisher)
- 0.74Publisher website ·
- h-index
- 37OpenAlex ·
- i10-index
- 310OpenAlex ·
- 2-year mean citedness
- 2.7OpenAlex ·
- Self-citation rate
- 9.5%LetPub ·
- Share of gold OA articles
- 95.39%LetPub ·
Volume
- Articles per year
- 101LetPub ·
Articles by year OpenAlex count · 893 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 74 | 74 | 16 |
| 2025 | 106 | 106 | 185 |
| 2024 | 98 | 98 | 550 |
| 2023 | 101 | 101 | 915 |
| 2022 | 91 | 91 | 1,123 |
| 2021 | 95 | 95 | 1,494 |
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
114 daysMedian, submission to acceptance · P25–P75 81 days – 137 days
- Acceptance to online
- median 43 days (102 articles)
- Submission to online
- median 148 days
- Sample
- 102 articles with submission and acceptance dates (206 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 8 weeksLetPub ·
- Acceptance rate (publisher)
- 36%Publisher website ·
- Submission to first decision
- 14 daysPublisher website ·
- Acceptance to publication
- 7 daysPublisher website ·
- Submission to publication (journal-reported)
- about 8 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 350 | No | CC BY-SA | |
| OpenAlex | USD 150 | — | — | |
| LetPub | USD 288 | No | — |
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 prepare8 items from the author guidelines
- Abstract
- ≤ 350 words
- Keywords
- ≤ 10
- Manuscript length
- ≤ 7,000 words
- Reference style
- Author–date
- Templates
- Word
- First submission
- Free format: the journal's layout is not required
- Suggested reviewers
- Required
- Cover letter
- Required
Article types accepted5, with length limits
- original articleication. 1. Original Research Articles. Original articles should not exceed 7000 words inclusive of all parts of the paper apart from online Suppomain text ≤ 7,000 words
- original research papersIJRED accepts original research papers or any other original contribution in the form of reviews and reports on development of Renewable energy.Length not stated
- reports on development of renewable energyIJRED accepts original research papers or any other original contribution in the form of reviews and reports on development of Renewable energy.Length not stated
- reviewe to the referees. 2. REVIEWS ARTICLES. Reviews should be at least 10000 words inclusive of all parts of the paper. The layout should follmain text ≤ 10,000 words
- reviewsIJRED accepts original research papers or any other original contribution in the form of reviews and reports on development of Renewable energy.Length not stated
Policy excerpts from the journal's websiteLicense & copyright, Peer review
- License & copyright
Creative Commons Attribution-ShareAlike 4.0 International License. Model summary
International Journal of Renewable Energy Development (ISSN:2252-4940) published by CBIORE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Source ↗Publisher website ·- Peer review
Accepts original research papers, reviews, and reports on development of Renewable energy. Model summary
IJRED accepts original research papers or any other original contribution in the form of reviews and reports on development of Renewable energy.
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
- Diponegoro University
- Country or region
- Indonesia
- Language
- English
- ISSN
- 2252-4940
- Electronic ISSN
- 2716-4519
- Latest issue on the website
- Volume 15, Issue 5 (2026)
- Official links
- Journal homepage ↗DOAJ
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- Special issues ↗Publisher website
- APC information ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
- Plagiarism policy ↗DOAJ
FAQ
Frequently asked questions about International Journal of Renewable Energy Development-IJRED
What CAS zone is International Journal of Renewable Energy Development-IJRED in?
In the 2025 upgraded edition of the CAS Journal Ranking, International Journal of Renewable Energy Development-IJRED is in Zone 4 of Engineering, and in Zone 4 of the minor category Energy & Fuels / Green & Sustainable Science & Technology. 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 International Journal of Renewable Energy Development-IJRED?
The journal's website gives an impact factor of 2.1; this is the journal's own figure, as LetPub lists none for it; CiteScore 5.6, h-index 37.
How long does peer review take at International Journal of Renewable Energy Development-IJRED?
Based on the dates recorded on 102 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 114 days (interquartile range 81–137 days); authors report an average review time of about 8 weeks; the journal's website gives an acceptance rate of 36%. 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 International Journal of Renewable Energy Development-IJRED?
According to the journal's author guidelines: Abstract: ≤ 350 words; Keywords: ≤ 10; Manuscript length: ≤ 7,000 words; Reference style: Author–date; Templates: Word; First submission: Free format: the journal's layout is not required; Suggested reviewers: Required; 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 International Journal of Renewable Energy Development-IJRED based?
Of the 34 board members whose country the journal's board page names, 2 (about 6%) are in mainland China; the countries named most often are Indonesia (9), Malaysia (5) and Iran (3). Counted from the institutions listed on the board page; for reference only.
Which databases index International Journal of Renewable Energy Development-IJRED?
According to LetPub and DOAJ records, International Journal of Renewable Energy Development-IJRED is indexed in ESCI, Scopus and DOAJ.
Is International Journal of Renewable Energy Development-IJRED open access, and what is the APC?
International Journal of Renewable Energy Development-IJRED is a fully open-access journal. APC about USD 350.
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: .