Science Explorer Back to mapMap
Discussion
Subfield · Energy

Energy Engineering and Power Technology research

Energy Engineering and Power Technology is a subfield of Energy. Science Explorer counts 76k research works in it since 1950. 9.9% of them reached the world's top 10% most cited for their field and year.

In short: broad field of engineering dealing with energy.

Research works
76k
fractional, since 1950
In the world top 10%
7.5k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Topics
2
Growth, 2018-21 → 2022-25
+99%
the tick is no change
Largest producer
China
57% of the 10 largest, 2022-now
Energy Engineering and Power Technology

What is Energy Engineering and Power Technology research about, and what is growing?

By the world's output in 2021-25, its most used keywords are Energy Storage, Renewable Energy, Electrolysis, Hydrogen, Grid Integration, Power Systems. Gaining share since 2011-15: Electrolysis, Hydrogen. Losing share: Grid Integration, Power Systems.

▲ gaining share of this field◆ holding its share▼ losing share

Size is the world's fractional works in 2021-25 in the topics tagged with each word; colour compares the word's share of this field with 2011-15. Each links to the topic it comes from most.

All 6 words, with their numbers
  1. Energy Storage27k◆ 1.00×2 topics
  2. Renewable Energy27k◆ 1.00×2 topics
  3. Electrolysis16k▲ 2.1×1 topic
  4. Hydrogen16k▲ 2.1×1 topic
  5. Grid Integration11k▼ 0.56×1 topic
  6. Power Systems11k▼ 0.56×1 topic

Which countries lead Energy Engineering and Power Technology research?

On research quality in 2022-now, China, the United Kingdom and South Korea rank highest in Energy Engineering and Power Technology. By volume, China and India publish the most (10k and 2.1k works in 2022-now).

By research quality, 2022-now

  1. 1 China #1 all time 1.01× citation excellence · 1.68× journals · 100% breadth 9.8% top 10% · 9.2k works
  2. 2 United Kingdom #6 all time 1.30× citation excellence · 1.16× journals · 100% breadth 13.4% top 10% · 544 works
  3. 3 South Korea #10 all time 1.33× citation excellence · 1.30× journals · 100% breadth 13.5% top 10% · 410 works
  4. 4 United States #4 all time 0.93× citation excellence · 0.94× journals · 100% breadth 11.0% top 10% · 1.3k works
  5. 5 Canada #8 all time 1.28× citation excellence · 1.34× journals · 100% breadth 15.4% top 10% · 341 works
  6. 6 Australia #11 all time 1.52× citation excellence · 1.04× journals · 100% breadth 17.8% top 10% · 358 works
  7. 7 Germany #5 all time 0.91× citation excellence · 1.08× journals · 100% breadth 9.1% top 10% · 653 works
  8. 8 Italy #7 all time 1.15× citation excellence · 1.00× journals · 100% breadth 10.9% top 10% · 474 works
  9. 9 Iran #3 all time 1.39× citation excellence · 0.87× journals · 100% breadth 13.6% top 10% · 420 works
  10. 10 Spain #9 all time 1.15× citation excellence · 1.16× journals · 100% breadth 10.9% top 10% · 294 works

The track on each row is that row's top-10% rate. The ranking itself is the quality score, which compares the rate with what each place's own topics predict, adds its share of papers in the Nature Index journals, and counts output and breadth too.

Of 21 countries ranked in Energy Engineering and Power Technology. Ranked on the quality score for 2022-now; the bracket is the all-time rank.

All countries ranked in Energy Engineering and Power Technology

By volume, 2022-now

  1. 1 China 10k works
  2. 2 India 2.1k works
  3. 3 United States 1.4k works
  4. 4 Germany 755 works
  5. 5 United Kingdom 617 works
  6. 6 Indonesia 558 works
  7. 7 Türkiye 524 works
  8. 8 Italy 524 works
  9. 9 South Korea 469 works
  10. 10 Iran 464 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 57.3%India: 12.0%United States: 8.3%Germany: 4.3%6 others listed: 18.1%57%largest
China10k · 57.3%India2,095 · 12.0%United States1,440 · 8.3%Germany755 · 4.3%6 others listed3,156 · 18.1%

Shares of the rows listed above, not of the whole node.

Which institutions lead Energy Engineering and Power Technology research?

North China Electric Power University (China) ranks first in Energy Engineering and Power Technology on research quality in 2022-now, followed by Tsinghua University and Xi'an Jiaotong University.

By research quality, 2022-now

  1. 1 North China Electric Power University China · Beijing · #1 all time 10.9% top 10% · 555 works
  2. 2 Tsinghua University China · Beijing · #2 all time 13.4% top 10% · 198 works
  3. 3 Xi'an Jiaotong University China · Xi'an · #5 all time 14.6% top 10% · 204 works
  4. 4 Chinese Academy of Sciences China · Beijing · #8 all time 13.9% top 10% · 163 works
  5. 5 Zhejiang University China · Hangzhou · #10 all time 15.2% top 10% · 183 works
  6. 6 Shanghai Jiao Tong University China · Shanghai · #6 all time 13.4% top 10% · 141 works
  7. 7 Aalborg University Denmark · Aalborg · #3 all time 25.7% top 10% · 82 works
  8. 8 Huazhong University of Science and Technology China · Wuhan · #7 all time 13.9% top 10% · 135 works
  9. 9 Hunan University China · Changsha · #9 all time 18.3% top 10% · 70 works
  10. 10 Wuhan University China · Wuhan · #12 all time 14.4% top 10% · 78 works

The track on each row is that row's top-10% rate. The ranking itself is the quality score, which compares the rate with what each place's own topics predict, adds its share of papers in the Nature Index journals, and counts output and breadth too.

Of 35 institutions above the floor of 40 fractional works in Energy Engineering and Power Technology.

Top 100 Energy Engineering and Power Technology institutions

By volume, 2022-now

  1. 1 North China Electric Power UniversityChina 592 works
  2. 2 State Grid Corporation of China (China)China 575 works
  3. 3 Shanghai Electric (China)China 346 works
  4. 4 China Southern Power Grid (China)China 316 works
  5. 5 Xi'an Jiaotong UniversityChina 226 works
  6. 6 Tsinghua UniversityChina 210 works
  7. 7 Zhejiang UniversityChina 192 works
  8. 8 Chinese Academy of SciencesChina 189 works
  9. 9 Shandong UniversityChina 163 works
  10. 10 Shanghai Jiao Tong UniversityChina 153 works

Who are the leading researchers in Energy Engineering and Power Technology?

Counting only their work in Energy Engineering and Power Technology, İbrahim Dinçer, Josep Maria Guerrero and Christian Breyer have the most papers in the world top 10% for their subfield and year beyond the 10% expected.

  1. 1 İbrahim Dinçer Canada · #19,455 worldwide overall 49.9 of 153 papers here in the top 10%
  2. 2 Josep Maria Guerrero Denmark · #7,055 worldwide overall 31.0 of 95 papers here in the top 10%
  3. 3 Christian Breyer Finland · #4,067 worldwide overall 26.6 of 58 papers here in the top 10%
  4. 4 Henrik Lund Denmark · #58,697 worldwide overall 24.8 of 44 papers here in the top 10%
  5. 5 Xuebin Yu China · #135,880 worldwide overall 20.0 of 38 papers here in the top 10%
  6. 6 Brian Vad Mathiesen Denmark · #49,565 worldwide overall 19.0 of 35 papers here in the top 10%
  7. 7 Marc A. Rosen Canada · #27,833 worldwide overall 18.3 of 45 papers here in the top 10%
  8. 8 Hongge Pan China · #11,070 worldwide overall 16.6 of 37 papers here in the top 10%
  9. 9 Poul Alberg Østergaard Denmark · #44,010 worldwide overall 15.3 of 29 papers here in the top 10%
  10. 10 Yongfeng Liu China · #83,159 worldwide overall 15.7 of 35 papers here in the top 10%

Ranked on their work in Energy Engineering and Power Technology alone: how many more of their papers here reached the world top 10% for their subfield and year than the 10% expected, among 221,205 ranked researchers with a paper here. Each paper counts once, so many strong papers outrank one famous one, and a long record of ordinary papers does not climb. Identities come from OpenAlex author disambiguation, which occasionally merges or splits people.

Top 100 Energy Engineering and Power Technology researchers

What are the most cited papers in Energy Engineering and Power Technology?

The most cited paper in Energy Engineering and Power Technology is "Opportunities and challenges for a sustainable energy future" (Steven Chu, Arun K. Majumdar, 2012), with 12,573 citations. Next come "Hydrogen-storage materials for mobile applications" (8,827) and "Powering the planet: Chemical challenges in solar energy utilization" (8,344).

Most cited papers
#PaperReleasedCitations
1 Opportunities and challenges for a sustainable energy future Steven Chu, Arun K. Majumdar · Nature Aug 2012 12,573
2 Hydrogen-storage materials for mobile applications L. Schlapbach, Andreas Züttel · Nature Open access Nov 2001 8,827
3 Powering the planet: Chemical challenges in solar energy utilization Nathan S. Lewis, Daniel G. Nocera · Proceedings of the National Academy of Sciences Open access 17 Oct 2006 8,344
4 Sustainable Hydrogen Production John A. A. Turner · Science 13 Aug 2004 6,560
5 A comprehensive review on PEM water electrolysis Marcelo Carmo, David Fritz, Jürgen Mergel et al. · International Journal of Hydrogen Energy 14 Mar 2013 5,481
All 101 most cited papers, with filters and sorting

Where is Energy Engineering and Power Technology research done?

The largest centres of Energy Engineering and Power Technology research in 2022-now are Beijing (China), Shanghai (China), Nanjing (China) and Guangzhou (China). Among places with at least 20 works in it, it is an unusually large share of all research in Baishan, Oshawa and Yangpu.

Largest cities, 2022-now

  1. 1 BeijingChina 2.2k works
  2. 2 ShanghaiChina 810 works
  3. 3 NanjingChina 610 works
  4. 4 GuangzhouChina 526 works
  5. 5 WuhanChina 457 works
  6. 6 Xi'anChina 398 works
  7. 7 HangzhouChina 328 works
  8. 8 JinanChina 306 works
  9. 9 TianjinChina 284 works
  10. 10 ChengduChina 280 works

Where it is the local speciality

  1. BaishanCN · 49.2 works56×
  2. OshawaCA · 61.4 works24×
  3. YangpuCN · 100.9 works22×
  4. Beijing165.8 works17×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Energy Engineering and Power Technology than the world average.

See Energy Engineering and Power Technology on the map

Energy Engineering and Power Technology research by country

The best places for Energy Engineering and Power Technology research inside each country, with that country's researchers and world standing.

Where is the best place to study Energy Engineering and Power Technology?

Among universities, judged by research, North China Electric Power University, Tsinghua University and Aalborg University score highest, combining standing in the field's ranking, citation excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%30%mean 15.43%fractional works in this field (log) →share of work in the world top 10% →Aalborg UniversityXi'an Jiaotong Unive…Tsinghua UniversityNorth China Electric…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Standingthis field's institution ranking, three quarters all time and a quarter 2022-now
50%
Citation excellenceshare of its work in the world top 10%, 2022-now and all time averaged
20%
Specialisationhow much of its work is in this field, counted up to 10× the world share
5%
Sizeits output in this field, on a log scale
15%
Growthoutput growth, counted from -20% to +20%
5%
Internationalshare of its work with a co-author abroad
5%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreRank in field (all time)Top 10%SpecialisationWorksGrowth
1North China Electric Power UniversityChina 82.2#1 (#1)11.0%40.4×592 +77.3%
2Tsinghua UniversityChina 71.1#2 (#2)13.0%4.2×210 +140.2%
3Aalborg UniversityDenmark 67.3#7 (#3)24.9%6.9×86 -4.9%
4Xi'an Jiaotong UniversityChina 61.6#3 (#5)14.2%5.9×226 +176.8%
5Tianjin UniversityChina 56.8#11 (#4)13.9%4.4×118 +143.0%
6Shanghai Jiao Tong UniversityChina 54.2#6 (#6)13.6%2.4×153 +124.1%
7Zhejiang UniversityChina 53.0#5 (#10)15.3%3.3×192 +155.6%
8Huazhong University of Science and TechnologyChina 52.8#8 (#7)14.0%3.6×144 +145.7%
9Hunan UniversityChina 49.1#9 (#9)18.0%4.8×75 +151.0%
10Chongqing UniversityChina 45.4#14 (#11)16.4%4.3×101 +202.1%

Universities only. The score blends standing (50%), citation excellence (20%), size (15%), specialisation (5%), growth (5%), international reach (5%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise. Standing is the score in this field's institution ranking, three quarters over all time and a quarter 2022-now; excellence averages the two windows too. Four years alone undercount fields such as AI, where many conference and arXiv papers from 2022 on carry no affiliation in the data.

Every institution in Energy Engineering and Power Technology, country by country

Is Energy Engineering and Power Technology research growing?

Output in 2022-2025 was 99% higher than in 2018-2021, peaking in 2024. The fastest-growing topics are Power Systems and Renewable Energy and Hybrid Renewable Energy Systems.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Energy Engineering and Power Technology as a percentage of every work published that year, 0.14% in 2024.

still counting0.050%0.10%0.15%Energy Engineering and Power Technology0.12% in 202519801990200020102020

Fractional works of Energy Engineering and Power Technology over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Energy Engineering and Power Technology9.9% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

What does Energy Engineering and Power Technology include?

Share who leads Energy Engineering and Power Technology

Who leads Energy Engineering and Power Technology, on Science Explorer

A card with the countries and institutions that lead Energy Engineering and Power Technology, for a post or a slide.

Download the card

1200 × 630 PNG, sized for social posts, drawn from the latest snapshot.

The leading institutions' badges6Each links to that institution's page and updates with every snapshot

Discussion

Ask a question or share a note about Energy Engineering and Power Technology. Keep it to the research: no personal attacks, advertising or links. Any reader can report a post, which collapses it for everyone until it is opened.