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State Grid Nanjing Power Supply Company (China)

In research, State Grid Nanjing Power Supply Company (China) stands highest in Physical Sciences (#11,537 of 12,888 worldwide) and Engineering (#6,092 of 6,636 worldwide), 2022–2025. Relative to its size it is most specialised in Electrical and Electronic Engineering and Engineering — Electrical and Electronic Engineering is 10.4× its share of world research.

js.sgcc.com.cn/njROR OpenAlex
World rank, 2022–2025
#24,233
of 28,054 · #38,969 all time
Rank in ??
#527
of 692
Research works
395
▲ 61% vs 2013–17
Citations
1.4k
3.6 per fractional work
Top-10% rate
5.0%
record average 16.5%
Open access
20%
world 28%

What is State Grid Nanjing Power Supply Company (China) known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #11,537 of 12,888 4.9%102 #19795
EngineeringField #6,092 of 6,636 4.1%65 #9839

Each strip is that field’s whole ranked pool, with the notch where State Grid Nanjing Power Supply Company (China) 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).

What does State Grid Nanjing Power Supply Company (China) specialise in?

Where its research is concentrated relative to its size: Electrical and Electronic Engineering takes 10.4× the share of its output that it takes of world research.

  1. Electrical and Electronic EngineeringSubfield · 39.0 works10×
  2. EngineeringField · 65.5 works4.2×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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.

Neuroscience: 0.05× its world share, 0 worksNeuroscienceComputer Science: 2.33× its world share, 19 worksComputer ScienceEarth and Planetary Sciences: 0.38× its world share, 1 worksEarth and Planetary …Energy: 4.75× its world share, 5 worksEnergyEngineering: 4.15× its world share, 66 worksEngineeringEnvironmental Science: 0.35× its world share, 2 worksEnvironmental ScienceMaterials Science: 2.07× its world share, 8 worksMaterials ScienceMathematics: 0.16× its world share, 0 worksMathematicsPhysics and Astronomy: 0.96× its world share, 2 worksPhysics and AstronomyHealth Professions: 0.06× its world share, 0 worksHealth ProfessionsMedicine: 0.01× its world share, 0 worksMedicineBusiness, Management and Accounting: 0.37× its world share, 1 worksBusiness, Management…Decision Sciences: 1.00× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.11× its world share, 0 worksEconomics, Econometr…Social Sciences: 0.04× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Energy, 4.8×. Every wedge is a field page.

Who are the top researchers at State Grid Nanjing Power Supply Company (China)?

Ranked on the composite score, Xuyan Wang, Hong Zhu and Zhengyi Zhu lead among researchers whose main affiliation is State Grid Nanjing Power Supply Company (China).

  1. 1 Xuyan Wang ?? · #925,405 worldwide 51 citations · 23 works
  2. 2 Hong Zhu ?? · #1,236,572 worldwide 51 citations · 15 works
  3. 3 Zhengyi Zhu ?? · #1,495,803 worldwide 9 citations · 16 works
All ranked researchers at State Grid Nanjing Power Supply Company (China)

Which keywords describe research at State Grid Nanjing Power Supply Company (China)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Smart Grid, Renewable Energy, Power System, Big Data, Energy Efficiency, Cloud Computing, Deep Learning 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 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Smart Grid23▲ 58×8 topics
  2. Renewable Energy20▲ 13×20 topics
  3. Deep Learning12▲ 3.2×25 topics
  4. Power System11▲ 119×4 topics
  5. Machine Learning10▲ 2.9×20 topics
  6. Big Data9▲ 9.7×7 topics
  7. Cloud Computing9▲ 30×5 topics
  8. Energy Efficiency9▲ 9.0×17 topics
  9. Renewable Energy Integration7▲ 21×5 topics
  10. Neural Networks7▲ 4.5×11 topics
  11. Nanocomposites7▲ 8.5×4 topics
  12. Polymer7▲ 88×2 topics
  13. Dielectrics6▲ 191×1 topic
  14. Partial Discharge6▲ 191×1 topic
  15. Internet of Things6▲ 6.8×12 topics
  16. Modeling6▲ 22×2 topics
  17. Energy Storage6▲ 8.2×8 topics
  18. CIM XML5▲ 202×1 topic
  19. Common Information Model5▲ 202×1 topic
  20. Reliability Analysis5▲ 49×2 topics
  21. Power Electronics5▲ 15×5 topics
  22. Distribution Automation5▲ 191×1 topic
  23. Electric Power5▲ 191×1 topic
  24. Intelligent Control5▲ 119×2 topics
  25. Battery Technology5▲ 17×3 topics
  26. Distributed Generation4▲ 55×3 topics
  27. Electric Vehicles4▲ 14×3 topics
  28. Smart Home4▲ 23×2 topics
  29. Power Systems4▲ 33×2 topics
  30. Wavelet Transform4▲ 16×4 topics
  31. Energy Management4▲ 21×2 topics
  32. Smart Grid Applications4▲ 27×2 topics
  33. Demand Response4▲ 36×1 topic
  34. Electricity Markets4▲ 36×1 topic
  35. Optimization4▲ 7.1×7 topics
  36. Voltage Control4▲ 47×2 topics
  37. Wind Power4▲ 36×4 topics
  38. Energy Storage Systems3▲ 23×2 topics
  39. Fault Detection3▲ 22×3 topics
  40. Decentralized Control3▲ 25×2 topics

Which research topics does State Grid Nanjing Power Supply Company (China) publish most on?

By volume in 2022–2025: High voltage insulation and dielectric phenomena, Power Systems and Technologies, Smart Grid and Power Systems and Smart Grid Energy Management.

High voltage insulation and dielectric phenomena: 6 fractional worksPower Systems and Technologies: 5 fractional worksSmart Grid and Power Sys…5Smart Grid and Power Systems: 5 fractional worksSmart Grid Energy Manage…4Smart Grid Energy Management: 4 fractional worksMicrogrid Control and Optimization: 3 fractional worksPower Transformer Diagnostics and Insulation: 2 fractional worksPower Systems and Renewa…2Power Systems and Renewable Energy: 2 fractional worksElectric Vehicles and Infrastructure: 2 fractional worksIntegrated Energy Systems Optimization: 2 fractional worksAdvanced Decision-Making Techniques: 2 fractional works
Materials ChemistryElectrical and Electronic EngineeringControl and Systems EngineeringEnergy Engineering and Power Technology1 others

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

  1. 1 High voltage insulation and dielectric phenomena Materials Chemistry 6 works
  2. 2 Power Systems and Technologies Electrical and Electronic Engineering 5 works
  3. 3 Smart Grid and Power Systems Electrical and Electronic Engineering 5 works
  4. 4 Smart Grid Energy Management Electrical and Electronic Engineering 4 works
  5. 5 Microgrid Control and Optimization Control and Systems Engineering 3 works
  6. 6 Power Transformer Diagnostics and Insulation Electrical and Electronic Engineering 2 works
  7. 7 Power Systems and Renewable Energy Energy Engineering and Power Technology 2 works
  8. 8 Electric Vehicles and Infrastructure Electrical and Electronic Engineering 2 works
  9. 9 Integrated Energy Systems Optimization Electrical and Electronic Engineering 2 works
  10. 10 Advanced Decision-Making Techniques Information Systems 2 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 available19.7%not open80.3%

World: 28% of research is openly available.

with international co-authors3.2%domestic only96.8%

World: 19% is written across borders.

How has State Grid Nanjing Power Supply Company (China)'s research output changed?

Output in 2018–2022 was 61% higher than in 2013–2017.

2005201020152020
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 Nanjing

All research institutions in Nanjing

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.