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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. 13.8% 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%
10k
per year above
Top-10% rate
13.8%
share of its works in the world top 10%
Topics
2
Growth, 2013–17 → 2018–22
+30%
the tick is no change

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

By the world's output in 2019–23, its most used keywords are Energy Storage, Renewable Energy, Electrolysis, Hydrogen, Grid Integration, Power Systems. Gaining share since 2009–13: 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 2019–23 in the topics tagged with each word; colour compares the word's share of this field with 2009–13. Each links to the topic it comes from most.

All 6 words, with their numbers
  1. Energy Storage18k◆ 1.00×2 topics
  2. Renewable Energy18k◆ 1.00×2 topics
  3. Electrolysis12k▲ 3.2×1 topic
  4. Hydrogen12k▲ 3.2×1 topic
  5. Grid Integration6,132▼ 0.42×1 topic
  6. Power Systems6,132▼ 0.42×1 topic

Which countries lead Energy Engineering and Power Technology research?

On research quality in 2022–2025, China, India and the United States rank highest in Energy Engineering and Power Technology. By volume, China and India publish the most (9.1k and 1.9k works in 2022–2025).

By research quality, 2022–2025

  1. 1 China · #1 all time 10.9% top 10% · 9.1k works
  2. 2 India · #3 all time 12.5% top 10% · 1.9k works
  3. 3 United States · #2 all time 13.8% top 10% · 1.3k works
  4. 4 United Kingdom · #4 all time 23.1% top 10% · 544 works
  5. 5 Australia · #7 all time 26.0% top 10% · 358 works
  6. 6 Germany · #5 all time 17.3% top 10% · 653 works
  7. 7 South Korea · #14 all time 25.9% top 10% · 410 works
  8. 8 Iran · #6 all time 25.4% top 10% · 420 works
  9. 9 Saudi Arabia · #16 all time 27.1% top 10% · 279 works
  10. 10 Italy · #10 all time 22.5% top 10% · 474 works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 22 countries ranked in Energy Engineering and Power Technology. Composite of field-normalised excellence (50%), output (30%) and citations (20%); the bracket is the all-time rank.

All countries ranked in Energy Engineering and Power Technology

By volume, 2022–2025

  1. 1 China 9.1k works
  2. 2 India 1.9k works
  3. 3 United States 1.3k works
  4. 4 Germany 653 works
  5. 5 United Kingdom 544 works
  6. 6 Indonesia 506 works
  7. 7 Italy 474 works
  8. 8 Türkiye 458 works
  9. 9 Iran 420 works
  10. 10 South Korea 410 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: 57.8%India: 12.0%United States: 8.2%Germany: 4.2%6 others listed: 17.9%58%largest
China9,085 · 57.8%India1,878 · 12.0%United States1,285 · 8.2%Germany653 · 4.2%6 others listed2,811 · 17.9%

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 2022–2025, followed by Xi'an Jiaotong University and Aalborg University.

By research quality, 2022–2025

  1. 1 North China Electric Power University China · Beijing · #2 all time 12.6% top 10% · 544 works
  2. 2 Xi'an Jiaotong University China · Xi'an · #4 all time 18.6% top 10% · 191 works
  3. 3 Aalborg University Denmark · Aalborg · #1 all time 33.1% top 10% · 82 works
  4. 4 Zhejiang University China · Hangzhou · #3 all time 15.8% top 10% · 174 works
  5. 5 Tsinghua University China · Beijing · #5 all time 16.4% top 10% · 196 works
  6. 6 King Fahd University of Petroleum and Minerals Saudi Arabia · Dhahran · #6 all time 31.6% top 10% · 61 works
  7. 7 Shanghai Jiao Tong University China · Shanghai · #7 all time 16.0% top 10% · 141 works
  8. 8 Huazhong University of Science and Technology China · Wuhan · #9 all time 17.1% top 10% · 126 works
  9. 9 State Grid Corporation of China (China) China · Beijing · #20 all time 3.0% top 10% · 416 works
  10. 10 Chongqing University China · Chongqing · #18 all time 17.6% top 10% · 94 works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 31 institutions above the floor of 40 fractional works in Energy Engineering and Power Technology.

Top 100 Energy Engineering and Power Technology institutions

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

Among the most productive authors in Energy Engineering and Power Technology, Thomas F. Jaramillo, José Rodríguez and T.C. Green rank highest on the composite score.

  1. 1 Thomas F. Jaramillo United States · #1,020 worldwide 5.5k citations · 98 works
  2. 2 José Rodríguez Chile · #1,079 worldwide 6.8k citations · 329 works
  3. 3 T.C. Green United Kingdom · #1,465 worldwide 2k citations · 114 works
  4. 4 Samir Kouro Chile · #1,559 worldwide 2.9k citations · 91 works
  5. 5 Remus Teodorescu Denmark · #2,005 worldwide 4.2k citations · 198 works
  6. 6 Marco Liserre Germany · #2,193 worldwide 4.6k citations · 270 works
  7. 7 Leopoldo G. Franquelo Spain · #2,290 worldwide 2.3k citations · 117 works
  8. 8 Ayhan Demirbaş Türkiye · #2,406 worldwide 2.6k citations · 97 works
  9. 9 Rui Zhang Singapore · #2,460 worldwide 6k citations · 374 works
  10. 10 Nathan S. Lewis United States · #2,550 worldwide 3.4k citations · 156 works

Re-ranked on the composite score from the 4,004 highest-output authors in Energy Engineering and Power Technology. Identities come from OpenAlex author disambiguation, which occasionally merges or splits people.

Top 100 Energy Engineering and Power Technology researchers

Where is Energy Engineering and Power Technology research done?

The largest centres of Energy Engineering and Power Technology research in 2022–2025 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, 2022–2025

  1. 1 Beijing China 2k works
  2. 2 Shanghai China 748 works
  3. 3 Nanjing China 577 works
  4. 4 Guangzhou China 498 works
  5. 5 Wuhan China 425 works
  6. 6 Xi'an China 357 works
  7. 7 Hangzhou China 304 works
  8. 8 Jinan China 287 works
  9. 9 Tianjin China 261 works
  10. 10 Chengdu China 256 works

Where it is the local speciality

  1. BaishanCN · 47.4 works59×
  2. OshawaCA · 59.8 works25×
  3. YangpuCN · 91.6 works22×
  4. Beijing163.2 works17×
← less than its size predictsmore →

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, Lappeenranta-Lahti University of Technology, Aalborg University and King Fahd University of Petroleum and Minerals score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%60%mean 32.83%fractional works in this node (log) →share in the world top 10% →Lappeenranta-Lahti University of Technology: 30, 41.4%Aalborg University: 82, 33.1%King Fahd University of Petroleum and Minerals: 61, 31.6%Rajshahi University of Engineering and Technology: 10, 33.9%University of Tabriz: 26, 37.1%Ontario Tech University: 60, 22.7%Aswan University: 15, 27.3%North China Electric Power University: 544, 12.6%Minia University: 13, 40.5%Université du Québec à Trois-Rivières: 12, 48.1%Lappeenranta-Lahti U…Rajshahi University …Aalborg UniversityKing Fahd University…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Lappeenranta-Lahti University of TechnologyFinland 76.041.4%13.6×30 +1694.4%
2 Aalborg UniversityDenmark 67.333.1%7.2×82 +185.2%
3 King Fahd University of Petroleum and MineralsSaudi Arabia 62.331.6%7.9×61 +107.4%
4 Rajshahi University of Engineering and TechnologyBangladesh 60.733.9%8.9×10 +192.0%
5 University of TabrizIran 58.137.1%5.0×26 +938.2%
6 Ontario Tech UniversityCanada 56.722.7%27.1×60 +39.2%
7 Aswan UniversityEgypt 54.227.3%8.2×15 +112.3%
8 North China Electric Power UniversityChina 53.612.6%36.8×544 -61.1%
9 Minia UniversityEgypt 52.540.5%3.2×13 +241.2%
10 Université du Québec à Trois-RivièresCanada 52.348.1%6.1×12 +4.5%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Energy Engineering and Power Technology research growing?

Output in 2018–2022 was 30% higher than in 2013–2017, peaking in 2024. The fastest-growing topics are Hybrid Renewable Energy Systems.

19801990200020102020
grewheldshrank

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

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?