What is the Impact Factor of Clean Energy?

According to the latest Clarivate Journal Citation Reports (JCR), the Journal Impact Factor of Clean Energy is 5.00, ranking in quartile Q2 of Web of Science (ESCI).

Is Clean Energy indexed in Web of Science or Scopus?

Yes, Clean Energy is indexed in Web of Science (ESCI, Q2 quartile). Furthermore, in Scopus (SCImago), it holds an SJR rating of 0.878 (Q1) and an H-index of 35.

Who publishes Clean Energy and what is the Article Processing Charge (APC)?

Clean Energy is published by Oxford University Press. It operates under a Diamond Open Access model, exempting authors completely from Article Processing Charges ($0 USD APC).

WoS ESCI Q2Scopus Q1SCImago #5,987Diamond OAGold OA

Clean Energy

Identifier (ISSN):2515-4230(Print)/2515-396X(Online)

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Publisher:Oxford University Press

Clarivate JCR Index Advisory: Active (ESCI)

Official Website Submission Portal Compare

Clarivate IF (2026)

5↑ +1.3

Journal Impact Factor

IF Trend↓

WoS Quartile

WoS ESCIJCR Quartile

Clarivate WoS JCR

WoS Categories↓

JCR Release Date: 2026-06-17

Impact Factor Trend (2023–2026)

Clarivate IF trend for Clean Energy

WoS Q2

Annual Impact Factor Metric

Current (2026):5

Scopus SJR & RankScopus Q1

0.878

#5,987

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025

H-Index (2025)

35 papers with at least that number of citations each

WoS: ESCIQ2

Self-Citation Rate17.2%

Safe Level (< 15%)Warning Level (> 20%)

Self-citation below 15% indicates strong scholarly independence.

Volume & Open AccessGold OA

61articles/year

100% Gold OA•96.05% Original Research

Aims & Scope

Clean Energy (ISSN: 2515-4230) is a peer-reviewed international scholarly journal in the field of Environmental Science, published by Oxford University Press in United Kingdom. The periodical holds a Journal Impact Factor (JIF) of 5.00, ranking in quartile Q2 of Web of Science (ESCI), a Scopus SJR indicator of 0.878 (Q1), an H-index of 35.

Topics Covered (Recognized by AI)

Engineering91.3%Physics78.7%Biology76.3%Ecology67.6%Quantum mechanics67.1%Electrical engineering60.4%Thermodynamics58.5%Computer science56.5%Environmental science52.2%Chemistry46.4%Geography44%Organic chemistry42.5%Mathematics41.5%Economics40.6%Power (physics)39.1%Geology33.8%Waste management30.9%Materials science28%Renewable energy27.1%Photovoltaic system27.1%Archaeology21.3%History21.3%Statistics20.3%

Primary Research Areas

Environmental Science Management Monitoring Policy and Law

Official Website NLM PubMed Catalog SCImago Profile

0 calls

Special Issues

Calls for Papers

No active Calls for Papers found for this journal.

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WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI

JCRESCI2026

ENERGY & FUELS

Rank94/191

IndexESCI

JCRESCI2026

ENGINEERING, ENVIRONMENTAL

Rank41/88

IndexESCI

JCRESCI2026

GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY

Rank62/114

IndexESCI

JCIESCI2026

ENERGY & FUELS

Rank119/191

IndexESCI

JCIESCI2026

ENGINEERING, ENVIRONMENTAL

Rank48/88

IndexESCI

JCIESCI2026

GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY

Rank83/114

IndexESCI

Category	Index	Rank	Quartile
ENERGY & FUELS	JCRESCI	94/191	Q2
ENGINEERING, ENVIRONMENTAL	JCRESCI	41/88	Q2
GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY	JCRESCI	62/114	Q3
ENERGY & FUELS	JCIESCI	119/191	Q3
ENGINEERING, ENVIRONMENTAL	JCIESCI	48/88	Q3
GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY	JCIESCI	83/114	Q3

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year

2026Latest

IF5

Articles / Year61

Total Citations13

2025

IF3.7

Articles / Year99

Total Citations428

2024

IF2.9

Articles / Year138

Total Citations1,780

2023

IF2.3

Articles / Year111

Total Citations1,938

2022

IF—

Articles / Year66

Total Citations1,725

Year	Impact Factor	Articles / Year	Total Citations
2026	5	61	13
2025	3.7	99	428
2024	2.9	138	1,780
2023	2.3	111	1,938
2022	—	66	1,725
2021	—	69	1,130
2020	—	27	512
2019	—	33	1,412
2018	—	19	897
2017	—	10	251
2016	—	10	1
2004	—	14	9

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #5,987Scopus Q1Diamond OASCImago Profile

Scopus Coverage:2017-2026

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Scopus Broad Areas:EnergyEnvironmental Science

Scopus Citation Rank (SJR)Q1

0.878

Weighted prestige citation metric per document indexed in the Scopus database.

Quartile: Scopus Q1

Citations / Doc (2 years)

5.70

Average citations received per document published in the 2-year window.

2-Year Citation Window

Estimated Publication Fee (APC)

100% Free

Diamond Open Access: Authors publish completely free of charge with zero author-facing fees.

Diamond Open Access

Scopus 3-Year Publication & Citation Window

3-Year Citations1,728

3-Year Documents287

Citable Documents286

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)2

Citations in government and international policy documents

Female Author Rate29.8%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

Environmental EngineeringQ1

Energy Engineering and Power TechnologyQ2

Management, Monitoring, Policy and LawQ2

Renewable Energy, Sustainability and the EnvironmentQ2

Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth

Self-citation: 17.2%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):

4区 (Zone 4)Environmental Science & Ecology

Minor Category (Specific Field):

4区GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY

CAS Early Warning List History:

Updated annually: 2020 – 2024

2020

Not warned

2021

Not warned

2022

Not warned

2023

Not warned

2024

Not warned

Academic Intelligence Overview & Context

ImpaQ Analysis

The journal enforces rigorous peer evaluation with an annual output of approximately 61 scientific articles. In terms of accessibility and author fees, it operates under the Gold OA model with Diamond Open Access (100% free of author APC charges). It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.