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Research facility · Tokyo · Japan

The Institute of Energy Economics, Japan

In research, The Institute of Energy Economics, Japan stands highest in Physical Sciences (#11,395 of 21,541 worldwide), over all time.

eneken.ieej.or.jpROR OpenAlex
World rank, all time
#20,364
of 42,892
Rank in Japan
#771
of 2,112
Research works
340
▼ 29% vs 2013–17
Citations
2.8k
8.4 per fractional work
Top-10% rate
13.1%
record average 16.5%
Open access
23%
world 28%

What is The Institute of Energy Economics, Japan known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Physical SciencesDomain #11,395 of 21,541 9.0%254

Each strip is that field’s whole ranked pool, with the notch where The Institute of Energy Economics, Japan sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.08× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.54× its world share, 1 worksBiochemistry, Geneti…Neuroscience: 0.15× its world share, 0 worksNeuroscienceChemical Engineering: 0.54× its world share, 0 worksChemical EngineeringChemistry: 0.83× its world share, 0 worksChemistryComputer Science: 0.20× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 1.26× its world share, 1 worksEarth and Planetary …Energy: 14.10× its world share, 4 worksEnergyEngineering: 2.46× its world share, 13 worksEngineeringEnvironmental Science: 2.08× its world share, 4 worksEnvironmental ScienceMaterials Science: 1.15× its world share, 1 worksMaterials ScienceMathematics: 0.27× its world share, 0 worksMathematicsPhysics and Astronomy: 1.00× its world share, 1 worksPhysics and AstronomyMedicine: 0.05× its world share, 0 worksMedicineBusiness, Management and Accounting: 0.07× its world share, 0 worksBusiness, Management…Decision Sciences: 1.97× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 3.13× its world share, 2 worksEconomics, Econometr…Social Sciences: 1.19× its world share, 5 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Energy, 14.1×. Every wedge is a field page.

Who are the top researchers at The Institute of Energy Economics, Japan?

Ranked on the composite score, Takashi Ôtsuki, Heinrich Stigler and Yuhji Matsuo lead among researchers whose main affiliation is The Institute of Energy Economics, Japan.

  1. 1 Takashi Ôtsuki Japan · #1,046,712 worldwide 41 citations · 34 works
  2. 2 Heinrich Stigler Japan · #1,108,483 worldwide 6 citations · 34 works
  3. 3 Yuhji Matsuo Japan · #1,312,209 worldwide 19 citations · 20 works
  4. 4 Udo Bachhiesl Japan · #1,416,669 worldwide 9 citations · 31 works
  5. 5 Yoshiaki Shibata Japan · #1,502,452 worldwide 2 citations · 15 works
All ranked researchers at The Institute of Energy Economics, Japan

Which keywords describe research at The Institute of Energy Economics, Japan?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Renewable Energy, Sustainability, Energy Transition, Climate Change, Energy Efficiency, Environmental Impact, Energy Storage and Renewable Energy Integration.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 37 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 37 words, with their numbers
  1. Renewable Energy10▲ 19×23 topics
  2. Sustainability7▲ 8.6×16 topics
  3. Climate Change4▲ 4.5×13 topics
  4. Energy Transition4▲ 69×3 topics
  5. Environmental Impact3▲ 5.3×10 topics
  6. Energy Efficiency3▲ 9.2×11 topics
  7. Energy Storage2▲ 10×3 topics
  8. Renewable Energy Integration2▲ 16×3 topics
  9. Electric Vehicles2▲ 18×4 topics
  10. Greenhouse Gas Emissions2▲ 19×5 topics
  11. Environmental Policy2▲ 24×3 topics
  12. Fluid Dynamics2▲ 35×2 topics
  13. Global Warming2▲ 11×5 topics
  14. Life Cycle Assessment1▲ 14×3 topics
  15. Sustainable Development1▲ 2.5×6 topics
  16. EROI1▲ 112×1 topic
  17. Economic Growth1▲ 4.2×5 topics
  18. Electricity Market1▲ 1497×1 topic
  19. European Union1▲ 17×1 topic
  20. Fossil Fuels1▲ 82×1 topic
  21. Hydrogen1▲ 44×2 topics
  22. Thermal Management1▲ 11×2 topics
  23. District Heating1▲ 70×1 topic
  24. Economic Impacts1▲ 43×1 topic
  25. Energy Systems1▲ 65×1 topic
  26. Finite Element Analysis1▲ 14×2 topics
  27. Nuclear Fuel1▲ 180×1 topic
  28. Policy Instruments1▲ 48×1 topic
  29. Radiation Protection1▲ 180×1 topic
  30. Renewable Resources1▲ 18×2 topics
  31. Smart Grid1▲ 8.4×5 topics
  32. Design Optimization1▲ 73×1 topic
  33. Genocide1▲ 51×2 topics
  34. Guanxi1▲ 128×1 topic
  35. Lithium-ion Batteries1▲ 6.7×3 topics
  36. Structural Analysis1▲ 30×1 topic
  37. Wasta1▲ 128×1 topic

Which research topics does The Institute of Energy Economics, Japan publish most on?

By volume in 2022–2025: Renewable Energy and Sustainability, Global Energy and Sustainability Research, Nuclear and radioactivity studies and Integrated Energy Systems Optimization.

Renewable Energy and Sus…1Renewable Energy and Sustainability: 1 fractional worksGlobal Energy and Sustai…1Global Energy and Sustainability Research: 1 fractional worksNuclear and radioactivity studies: 1 fractional worksIntegrated Energy System…1Integrated Energy Systems Optimization: 1 fractional worksClimate Change Policy an…1Climate Change Policy and Economics: 1 fractional worksEngineering Applied Research: 1 fractional worksSocioeconomic Development in MENA: 1 fractional worksElectric Vehicles and In…1Electric Vehicles and Infrastructure: 1 fractional worksNuclear reactor physics and engineering: 1 fractional worksHybrid Renewable Energy Systems: 1 fractional works
Renewable Energy, Sustainability and the EnvironmentSafety, Risk, Reliability and QualityElectrical and Electronic EngineeringEconomics and Econometrics4 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Renewable Energy and Sustainability Renewable Energy, Sustainability and the Environment 1 works
  2. 2 Global Energy and Sustainability Research Renewable Energy, Sustainability and the Environment 1 works
  3. 3 Nuclear and radioactivity studies Safety, Risk, Reliability and Quality 1 works
  4. 4 Integrated Energy Systems Optimization Electrical and Electronic Engineering 1 works
  5. 5 Climate Change Policy and Economics Economics and Econometrics 1 works
  6. 6 Engineering Applied Research Civil and Structural Engineering 1 works
  7. 7 Socioeconomic Development in MENA Sociology and Political Science 1 works
  8. 8 Electric Vehicles and Infrastructure Electrical and Electronic Engineering 1 works
  9. 9 Nuclear reactor physics and engineering Aerospace Engineering 1 works
  10. 10 Hybrid Renewable Energy Systems Energy Engineering and Power Technology 1 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available22.6%not open77.4%

World: 28% of research is openly available.

with international co-authors14.0%domestic only86.0%

World: 19% is written across borders.

How has The Institute of Energy Economics, Japan's research output changed?

Output in 2018–2022 was 29% lower than in 2013–2017.

1990200020102020
grewheldshrank

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

Other research institutions in Tokyo

All research institutions in Tokyo

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.