Journal profile · Engineering, Mechanical

Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy

ISSN 0957-6509 · eISSN 2041-2967 · SAGE Publications Ltd · ENGLAND · Bimonthly

Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy: CAS Zone 4 · Engineering (2025 upgraded edition); impact factor 1.44; subscription journal; APC about USD 4,150; review about 3.8 months (community reports); community-reported acceptance: easy; 97 articles in 2025; indexed in SCIE and Scopus.

Impact factor1.44Latest value listed by LetPub
CAS zoneZone 4 · Engineering2025 upgraded edition, major category · 2026 Xinrui edition Zone 4 · Engineering
Review timeabout 3.8 monthsCommunity average
APCUSD 4,150Subscription journal
AcceptanceEasyCommunity average
Articles per year972025 · OpenAlex count

Scope

Aims, scope and focus

Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy is published by SAGE Publications Ltd 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 Turbomachinery Performance and Optimization, Fluid Dynamics and Turbulent Flows and Combustion and flame dynamics, together about 31% of its articles. Its main subfields are Mechanical Engineering and Computational Mechanics. (generated from OpenAlex topic counts and CAS ranking data)

The Journal of Power and Energy, Part A of the Proceedings of the Institution of Mechanical Engineers, is dedicated to publishing peer-reviewed papers of high scientific quality on all aspects of the technology of energy conversion systems.

Source: LetPub

Research area (LetPub): Engineering, Mechanical

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

  1. Turbomachinery Performance and OptimizationEngineering15.6%
  2. Fluid Dynamics and Turbulent FlowsEngineering7.9%
  3. Combustion and flame dynamicsEngineering7.5%
  4. Heat Transfer MechanismsEngineering7.2%
  5. Cavitation Phenomena in PumpsEngineering7.1%
  6. Refrigeration and Air Conditioning TechnologiesEngineering6.5%
  7. Thermodynamic and Exergetic Analyses of Power and Cooling SystemsEngineering5.8%
  8. Hydraulic and Pneumatic SystemsEngineering4.8%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorEngineering, MechanicalZone 4
MinorThermodynamicsZone 4

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorThermodynamicsZone 4
MinorEngineering, MechanicalZone 4

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Engineering Zone 4
LevelCategoryZone
MajorEngineeringZone 4
MinorEngineering, MechanicalZone 4
MinorThermodynamicsZone 4

Top journal: noReview journal: no

Database indexing

SCIEScopusLetPub

International journal early-warning lists: not listed in any editionLetPub

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
1.44LetPub ·
CiteScore 2026-06
3.5LetPub ·
SJR 2026-06
0.35LetPub ·
SNIP 2026-06
0.76LetPub ·
h-index
53LetPub ·
h-index
73OpenAlex ·
i10-index
1,194OpenAlex ·
2-year mean citedness
1.07OpenAlex ·
Self-citation rate
6.7%LetPub ·
Share of gold OA articles
4.53%LetPub ·

Volume

Articles per year
96LetPub ·

Articles by year OpenAlex count · 2,853 in total · the current year is incomplete

YearArticlesOpen accessCitations
202613928
20259711111
20248315221
20231084529
20221256621
2021998776

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 3.8 monthsLetPub ·
Average acceptance (community reports)
EasyLetPub ·

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

Subscription journalLetPub

A subscription journal: articles are read by subscription or purchase, and authors usually pay no publication charge.

SourceAPCFee waiverLicenseObserved
OpenAlexUSD 4,150 / GBP 3,043——

The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.

Profile

Publication details and official links

Publisher
SAGE Publications Ltd
Country or region
ENGLAND
Language
English
Frequency
Bimonthly
ISSN
0957-6509
Electronic ISSN
2041-2967
Official links

FAQ

Frequently asked questions about Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy

What CAS zone is Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy in?

In the 2025 upgraded edition of the CAS Journal Ranking, Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy is in Zone 4 of Engineering, and in Zone 4 of the minor category Engineering, Mechanical / Thermodynamics. 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 Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy?

The latest impact factor listed by LetPub is 1.44; CiteScore 3.5, h-index 73.

How long does peer review take at Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy?

Authors report an average review time of about 3.8 months; the community-reported acceptance is “Easy”. 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.

Which databases index Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy?

According to LetPub and DOAJ records, Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy is indexed in SCIE and Scopus.

Is Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy open access, and what is the APC?

Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy is a subscription journal. APC about USD 4,150.

Sources and updates

The facts on this page come from LetPub, OpenAlex; 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: .