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Company · Belo Horizonte · Brazil

Companhia Energética de Minas Gerais (Brazil)

In research, Companhia Energética de Minas Gerais (Brazil) stands highest in Physical Sciences (#20,049 of 21,541 worldwide) and Engineering (#10,768 of 11,412 worldwide), over all time.

cemig.com.br/en-us/Pages/default.aspxROR OpenAlex
World rank, 2022–2025
#25,348
of 28,054 · #34,219 all time
Rank in Brazil
#579
of 714
Research works
399
▼ 35% vs 2013–17
Citations
4.3k
10.8 per fractional work
Top-10% rate
6.1%
record average 16.5%
Open access
48%
world 28%

What is Companhia Energética de Minas Gerais (Brazil) 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 #20,049 of 21,541 6.6%246
EngineeringField #10,768 of 11,412 6.5%126

Each strip is that field’s whole ranked pool, with the notch where Companhia Energética de Minas Gerais (Brazil) 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: 0.91× its world share, 3 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.20× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 0.44× its world share, 0 worksImmunology and Micro…Neuroscience: 1.11× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.69× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.51× its world share, 0 worksChemical EngineeringChemistry: 0.21× its world share, 0 worksChemistryComputer Science: 0.88× its world share, 5 worksComputer ScienceEarth and Planetary Sciences: 1.62× its world share, 2 worksEarth and Planetary …Energy: 2.66× its world share, 2 worksEnergyEngineering: 2.01× its world share, 21 worksEngineeringEnvironmental Science: 2.28× its world share, 8 worksEnvironmental ScienceMaterials Science: 0.64× its world share, 2 worksMaterials SciencePhysics and Astronomy: 0.51× its world share, 1 worksPhysics and AstronomyDentistry: 0.84× its world share, 0 worksDentistryHealth Professions: 0.59× its world share, 1 worksHealth ProfessionsMedicine: 0.72× its world share, 10 worksMedicineVeterinary: 1.80× its world share, 0 worksVeterinaryArts and Humanities: 0.48× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.38× its world share, 1 worksBusiness, Management…Decision Sciences: 5.23× its world share, 4 worksDecision SciencesEconomics, Econometrics and Finance: 0.68× its world share, 1 worksEconomics, Econometr…Psychology: 1.23× its world share, 3 worksPsychologySocial Sciences: 0.47× its world share, 4 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Decision Sciences, 5.2×. Every wedge is a field page.

Who are the top researchers at Companhia Energética de Minas Gerais (Brazil)?

Ranked on the composite score, L. C. V. Villela lead among researchers whose main affiliation is Companhia Energética de Minas Gerais (Brazil).

  1. 1 L. C. V. Villela Brazil · #963,714 worldwide 15 citations · 16 works
All ranked researchers at Companhia Energética de Minas Gerais (Brazil)

Which keywords describe research at Companhia Energética de Minas Gerais (Brazil)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Renewable Energy, Organizational Management, Research Methods, Qualitative Research, Environmental Impact, Smart Grid, Healthcare and Climate Change.

▲ 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. Renewable Energy5▲ 5.3×15 topics
  2. Deep Learning4▲ 1.48×13 topics
  3. Climate Change3▲ 1.86×12 topics
  4. Epidemiology3▲ 1.26×20 topics
  5. Environmental Impact3▲ 2.8×10 topics
  6. Qualitative Research3▲ 4.7×2 topics
  7. Healthcare3▲ 3.3×4 topics
  8. Organizational Management2▲ 56×1 topic
  9. Research Methods2▲ 22×1 topic
  10. Sustainable Development2▲ 1.83×7 topics
  11. Smart Grid2▲ 7.4×5 topics
  12. Educational Technology2▲ 2.3×3 topics
  13. Remote Sensing2▲ 2.1×8 topics
  14. Information Technology2▲ 5.2×3 topics
  15. Aging2▲ 4.2×4 topics
  16. Energy Storage2▲ 3.6×6 topics
  17. Internet of Things2▲ 2.7×3 topics
  18. Cognitive Decline2▲ 19×2 topics
  19. Training2▲ 10×2 topics
  20. Cognitive Training1▲ 22×2 topics
  21. Digital Innovation1▲ 34×1 topic
  22. Invasive Species1▲ 4.9×6 topics
  23. Optimization1▲ 4.3×5 topics
  24. Smart Library1▲ 49×1 topic
  25. Probabilistic Forecasting1▲ 10×2 topics
  26. Short-Term Forecasting1▲ 14×2 topics
  27. Alzheimer's Disease1▲ 6.2×2 topics
  28. CO2 Sequestration1▲ 8.6×2 topics
  29. Cementitious Materials1▲ 17×1 topic
  30. Distributed Generation1▲ 20×3 topics
  31. Fly Ash1▲ 14×1 topic
  32. Geopolymer1▲ 11×2 topics
  33. Neuroimaging1▲ 5.9×2 topics
  34. Simulation1▲ 6.0×3 topics
  35. Dementia1▲ 16×1 topic
  36. Distance Education1▲ 7.2×1 topic
  37. Electricity Price Forecasting1▲ 19×1 topic
  38. Legislation1▲ 8.8×1 topic
  39. Load Forecasting1▲ 19×1 topic
  40. Mild Cognitive Impairment1▲ 18×1 topic

Which research topics does Companhia Energética de Minas Gerais (Brazil) publish most on?

By volume in 2022–2025: Business and Management Studies, Healthcare during COVID-19 Pandemic, Concrete and Cement Materials Research and Dementia and Cognitive Impairment Research.

Business and Management …2Business and Management Studies: 2 fractional worksHealthcare during COVID-19 Pandemic: 1 fractional worksConcrete and Cement Materials Research: 1 fractional worksDementia and Cognitive Impairment Research: 1 fractional worksAcademic Research in Diverse Fields: 1 fractional worksEnergy Load and Power Forecasting: 1 fractional worksFish Ecology and Managem…1Fish Ecology and Management Studies: 1 fractional worksLightning and Electromagnetic Phenomena: 1 fractional worksMagnesium Oxide Properties and Applications: 1 fractional worksInnovative concrete reinforcement materials: 1 fractional works
Information Systems and ManagementInformation SystemsCivil and Structural EngineeringPsychiatry and Mental health5 others

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

  1. 1 Business and Management Studies Information Systems and Management 2 works
  2. 2 Healthcare during COVID-19 Pandemic Information Systems 1 works
  3. 3 Concrete and Cement Materials Research Civil and Structural Engineering 1 works
  4. 4 Dementia and Cognitive Impairment Research Psychiatry and Mental health 1 works
  5. 5 Academic Research in Diverse Fields Education 1 works
  6. 6 Energy Load and Power Forecasting Electrical and Electronic Engineering 1 works
  7. 7 Fish Ecology and Management Studies Nature and Landscape Conservation 1 works
  8. 8 Lightning and Electromagnetic Phenomena Astronomy and Astrophysics 1 works
  9. 9 Magnesium Oxide Properties and Applications Materials Chemistry 1 works
  10. 10 Innovative concrete reinforcement materials Civil and Structural Engineering 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 available48.1%not open51.9%

World: 28% of research is openly available.

with international co-authors16.2%domestic only83.8%

World: 19% is written across borders.

How has Companhia Energética de Minas Gerais (Brazil)'s research output changed?

Output in 2018–2022 was 35% 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 Belo Horizonte

All research institutions in Belo Horizonte

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.