Science Explorer Back to mapMap
Discussion
Government institution · Knoxville · United States

Tennessee Valley Authority

In research, Tennessee Valley Authority stands highest in Engineering (#5,056 of 9,532 worldwide), Environmental Science (#2,871 of 5,407 worldwide) and Physical Sciences (#10,648 of 17,446 worldwide), over all time.

tva.comROR OpenAlex
World rank, all time
#14,144
of 34,923
Rank in United States
#2,926
of 7,310
Research works
1.4k
▼ 6% vs 2018-21
Citations
20k
14.6 per fractional work
Top-10% rate
6.5%
all institutions 10.0%
vs its own fields
0.83×
1.00× is exactly expected
Open access
14%
world 40%
International
4%
world 18%
Tennessee Valley Authority

What is Tennessee Valley Authority 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
EngineeringField #5,056 of 9,532 6.2%388
Environmental ScienceField #2,871 of 5,407 4.4%401
Physical SciencesDomain #10,648 of 17,446 5.3%997
Agricultural and Biological SciencesField #3,726 of 5,126 4.6%195
Life SciencesDomain #9,071 of 11,023 4.6%228

Each strip is that field's whole ranked pool, with the notch where Tennessee Valley Authority 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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Tennessee Valley Authority work in?

In 2022-now, 73% of research at Tennessee Valley Authority is in Physical Sciences, 13% in Life Sciences. Its largest fields are Engineering (35%), Environmental Science (25%), Agricultural and Biological Sciences (7%). It does 1.7× the world's share of Physical Sciences.

Physical Sciences: 24 fractional works · 73.4% of its workEngineering: 11 fractional works · 34.8% of its workControl and Systems Engineering: 2 fractional works · 7.5% of its workElectrical and Electronic Engineering: 2 fractional works · 6.6% of its workCivil and Structural Engineering: 2 fractional works · 6.0% of its workMechanical Engineering: 2 fractional works · 5.0% of its workMechanics of Materials: 1 fractional works · 2.8% of its workOcean Engineering: 1 fractional works · 2.3% of its workAerospace Engineering: 0 fractional works · 1.0% of its workBiomedical Engineering: 0 fractional works · 1.0% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 1.0% of its workAutomotive Engineering: 0 fractional works · 1.0% of its workBuilding and Construction: 0 fractional works · 0.5% of its workEnvironmental Science: 8 fractional works · 25.0% of its workEcology: 2 fractional works · 6.4% of its workNature and Landscape Conservation: 1 fractional works · 4.3% of its workGlobal and Planetary Change: 1 fractional works · 3.8% of its workEnvironmental Engineering: 1 fractional works · 3.2% of its workWater Science and Technology: 1 fractional works · 3.2% of its workIndustrial and Manufacturing Engineering: 1 fractional works · 2.4% of its workPollution: 0 fractional works · 1.0% of its workEcological Modeling: 0 fractional works · 0.5% of its workEarth and Planetary Sciences: 2 fractional works · 6.1% of its workGeophysics: 1 fractional works · 2.2% of its workGeochemistry and Petrology: 1 fractional works · 1.8% of its workAtmospheric Science: 0 fractional works · 1.3% of its workPaleontology: 0 fractional works · 0.4% of its workOceanography: 0 fractional works · 0.3% of its workMaterials Science: 1 fractional works · 3.3% of its workGeneral Materials Science: 1 fractional works · 2.1% of its workMaterials Chemistry: 0 fractional works · 1.2% of its workComputer Science: 1 fractional works · 3.0% of its workInformation Systems: 0 fractional works · 1.4% of its workArtificial Intelligence: 0 fractional works · 0.8% of its workComputer Networks and Communications: 0 fractional works · 0.5% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.3% of its workPhysics and Astronomy: 0 fractional works · 0.5% of its workStatistical and Nonlinear Physics: 0 fractional works · 0.5% of its workChemical Engineering: 0 fractional works · 0.3% of its workCatalysis: 0 fractional works · 0.3% of its workEnergy: 0 fractional works · 0.3% of its workRenewable Energy, Sustainability and the Environment: 0 fractional works · 0.3% of its workLife Sciences: 4 fractional works · 13.3% of its workAgricultural and Biological Sciences: 2 fractional works · 7.4% of its workPlant Science: 1 fractional works · 2.9% of its workSoil Science: 1 fractional works · 1.6% of its workEcology, Evolution, Behavior and Systematics: 0 fractional works · 1.0% of its workAquatic Science: 0 fractional works · 0.8% of its workInsect Science: 0 fractional works · 0.5% of its workAnimal Science and Zoology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workBiochemistry, Genetics and Molecular Biology: 2 fractional works · 4.7% of its workMolecular Medicine: 0 fractional works · 1.6% of its workMolecular Biology: 0 fractional works · 1.3% of its workGenetics: 0 fractional works · 1.3% of its workBiochemistry: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workNeuroscience: 0 fractional works · 1.0% of its workBiological Psychiatry: 0 fractional works · 0.5% of its workCognitive Neuroscience: 0 fractional works · 0.5% of its workImmunology and Microbiology: 0 fractional works · 0.1% of its workSocial Sciences: 2 fractional works · 7.3% of its workEconomics, Econometrics and Finance: 1 fractional works · 3.6% of its workGeneral Economics, Econometrics and Finance: 1 fractional works · 3.6% of its workDecision Sciences: 1 fractional works · 2.1% of its workInformation Systems and Management: 0 fractional works · 1.0% of its workManagement Science and Operations Research: 0 fractional works · 1.0% of its workSmaller subfields together: 0 fractional works · 0.0% of its workSocial Sciences: 1 fractional works · 1.7% of its workTransportation: 0 fractional works · 0.9% of its workAnthropology: 0 fractional works · 0.8% of its workHealth Sciences: 2 fractional works · 6.1% of its workMedicine: 2 fractional works · 5.8% of its workSurgery: 0 fractional works · 1.5% of its workEpidemiology: 0 fractional works · 1.0% of its workEndocrinology, Diabetes and Metabolism: 0 fractional works · 0.9% of its workInfectious Diseases: 0 fractional works · 0.7% of its workPharmacology: 0 fractional works · 0.5% of its workPulmonary and Respiratory Medicine: 0 fractional works · 0.5% of its workPhysiology: 0 fractional works · 0.3% of its workFamily Practice: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNursing: 0 fractional works · 0.2% of its workNutrition and Dietetics: 0 fractional works · 0.2% of its workALL ITS WORKTennessee ValleyAuthority32fractional works, 2022-now
Life Sciences13%Physical Sciences73%Health Sciences6%Social Sciences7%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 17 fields, with their numbers
    1. Engineering1134.8%
    2. Environmental Science825.0%
    3. Earth and Planetary Sciences26.1%
    4. Materials Science13.3%
    5. Computer Science13.0%
    6. Physics and Astronomy00.5%
    7. Chemical Engineering00.3%
    8. Energy00.3%
    1. Agricultural and Biological Sciences27.4%
    2. Biochemistry, Genetics and Molecular Biology24.7%
    3. Neuroscience01.0%
    4. Immunology and Microbiology00.1%
    1. Economics, Econometrics and Finance13.6%
    2. Decision Sciences12.1%
    3. Social Sciences11.7%
    1. Medicine25.8%
    2. Nursing00.2%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 1.56× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.89× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 0.07× its world share, 0 worksImmunology and Micro…Neuroscience: 0.64× its world share, 0 worksNeuroscienceChemical Engineering: 0.99× its world share, 0 worksChemical EngineeringComputer Science: 0.39× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 3.86× its world share, 2 worksEarth and Planetary …Energy: 0.38× its world share, 0 worksEnergyEngineering: 2.32× its world share, 11 worksEngineeringEnvironmental Science: 5.03× its world share, 8 worksEnvironmental ScienceMaterials Science: 0.94× its world share, 1 worksMaterials SciencePhysics and Astronomy: 0.23× its world share, 0 worksPhysics and AstronomyMedicine: 0.30× its world share, 2 worksMedicineNursing: 0.42× its world share, 0 worksNursingDecision Sciences: 2.15× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 1.67× its world share, 1 worksEconomics, Econometr…Social Sciences: 0.13× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 5.0×. Every wedge is a field page.

All 17 fields, with their numbers
  1. Environmental Science5.03×8 works
  2. Earth and Planetary Sciences3.86×2 works
  3. Engineering2.32×11 works
  4. Decision Sciences2.15×1 works
  5. Economics, Econometrics and Finance1.67×1 works
  6. Agricultural and Biological Sciences1.56×2 works
  7. Chemical Engineering0.99×0 works
  8. Materials Science0.94×1 works
  9. Biochemistry, Genetics and Molecular Biology0.89×2 works
  10. Neuroscience0.64×0 works
  11. Nursing0.42×0 works
  12. Computer Science0.39×1 works
  13. Energy0.38×0 works
  14. Medicine0.30×2 works
  15. Physics and Astronomy0.23×0 works
  16. Social Sciences0.13×0 works
  17. Immunology and Microbiology0.07×0 works

Who are the top researchers at Tennessee Valley Authority?

Ranked on the quality score, Elizabeth M. Bailey, JAMES F. MEAGHER and R. D. Hauck lead among researchers whose main affiliation is Tennessee Valley Authority.

  1. 1 Elizabeth M. Bailey United States · #1,222,511 worldwide 2.5k citations · 71 works
  2. 2 JAMES F. MEAGHER United States · #1,305,259 worldwide 6.4k citations · 121 works
  3. 3 R. D. Hauck United States · #1,589,307 worldwide 2.4k citations · 54 works
  4. 4 Earl H. Brown United States · #1,886,217 worldwide 585 citations · 34 works
  5. 5 James R. Lehr United States · #2,195,831 worldwide 1.5k citations · 32 works
  6. 6 Samuel L. Tisdale United States · #2,301,133 worldwide 6.3k citations · 19 works
  7. 7 Jeffrey W. Simmons United States · #2,323,841 worldwide 212 citations · 26 works
  8. 8 Clarence M. Tarzwell United States · #2,363,078 worldwide 657 citations · 44 works
  9. 9 Donald A. Hammer United States · #2,480,476 worldwide 1.4k citations · 25 works
  10. 10 Paul A. Pier United States · #2,849,150 worldwide 554 citations · 31 works
All ranked researchers at Tennessee Valley Authority

What are the most cited papers from Tennessee Valley Authority?

The most cited paper from Tennessee Valley Authority is "A factor analysis of landscape pattern and structure metrics" (Kurt Hans Riitters, R. V. O’Neill, Carolyn T. Hunsaker et al., 1995), with 1,299 citations. Next come "“Association” ‑ “Official” ‑ “Analytical Chemist”" (692) and "Use of Tracers For Soil And Fertilizer Nitrogen Research" (565).

Most cited papers
#PaperReleasedCitations
1 A factor analysis of landscape pattern and structure metrics Kurt Hans Riitters, R. V. O’Neill, Carolyn T. Hunsaker et al. · Landscape Ecology Feb 1995 1,299
2 “Association” ‑ “Official” ‑ “Analytical Chemist” Frank Johnson · Journal of AOAC INTERNATIONAL 1988 692
3 Use of Tracers For Soil And Fertilizer Nitrogen Research R. D. Hauck, John M. Bremner · Advances in agronomy Book chapter 1976 565
4 Patterns of Bat Fatalities at Wind Energy Facilities in North America Edward B. Arnett, W. Kent Brown, Wallace P. Erickson et al. · Journal of Wildlife Management 2008 548
5 Octacalcium Phosphate and Hydroxyapatite: Crystallographic and Chemical Relations between Octacalcium Phosphate and Hydroxyapatite Walter Eric Brown, James P. Smith, James R. Lehr et al. · Nature Dec 1962 525
All 60 most cited papers, with filters and sorting

Which keywords describe research at Tennessee Valley Authority?

By fractional works in 2022-now, weighted toward what it does more of than the world: Climate Change, Invasive Species, Wavelet Transform, Machine Learning, Habitat Fragmentation, Smart Grid, Distributed Generation and Financial Crisis.

▲ 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-now 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 15 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 15 words, with their numbers
  1. Climate Change4▲ 4.8×19 topics
  2. Machine Learning2▲ 2.2×8 topics
  3. Invasive Species2▲ 15×8 topics
  4. Environmental Impact1▲ 2.5×7 topics
  5. Wavelet Transform1▲ 19×3 topics
  6. Distributed Generation1▲ 45×3 topics
  7. Habitat Fragmentation1▲ 17×4 topics
  8. Remote Sensing1▲ 3.0×5 topics
  9. Smart Grid1▲ 10×4 topics
  10. Deep Learning1◆ 1.01×6 topics
  11. Financial Crisis1▲ 32×1 topic
  12. Hydrological Modeling1▲ 14×3 topics
  13. Income Distribution1▲ 113×1 topic
  14. Combustion1▲ 50×2 topics
  15. Security1▲ 4.7×3 topics

Which research topics does Tennessee Valley Authority publish most on?

By volume in 2022-now: Economic Theory and Policy, Fish Ecology and Management Studies, Smart Grid Security and Resilience and Flood Risk Assessment and Management.

Economic Theory and Policy1Economic Theory and Policy: 1 fractional worksFish Ecology and Managem…1Fish Ecology and Management Studies: 1 fractional worksSmart Grid Security and …1Smart Grid Security and Resilience: 1 fractional worksFlood Risk Assessment an…1Flood Risk Assessment and Management: 1 fractional worksEngineering and Material Science Research: 1 fractional worksPower Systems Fault Detection: 1 fractional worksConstructed Wetlands for…0Constructed Wetlands for Wastewater Treatment: 0 fractional worksHydrogels: synthesis, properties, applications: 0 fractional worksHydrological Forecasting Using AI: 0 fractional worksMechanical stress and fatigue analysis: 0 fractional works
General Economics, Econometrics and FinanceNature and Landscape ConservationControl and Systems EngineeringGlobal and Planetary Change5 others

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

  1. 1 Economic Theory and Policy General Economics, Econometrics and Finance 1 works
  2. 2 Fish Ecology and Management Studies Nature and Landscape Conservation 1 works
  3. 3 Smart Grid Security and Resilience Control and Systems Engineering 1 works
  4. 4 Flood Risk Assessment and Management Global and Planetary Change 1 works
  5. 5 Engineering and Material Science Research General Materials Science 1 works
  6. 6 Power Systems Fault Detection Control and Systems Engineering 1 works
  7. 7 Constructed Wetlands for Wastewater Treatment Industrial and Manufacturing Engineering 0 works
  8. 8 Hydrogels: synthesis, properties, applications Molecular Medicine 0 works
  9. 9 Hydrological Forecasting Using AI Environmental Engineering 0 works
  10. 10 Mechanical stress and fatigue analysis Mechanics of Materials 0 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 available14.1%not open85.9%

World: 40% of research is openly available.

with international co-authors3.9%domestic only96.1%

World: 18% is written across borders.

How has Tennessee Valley Authority's research output changed?

Output in 2022-2025 was 6% lower than in 2018-2021.

still counting1990200020102020
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 Tennessee Valley Authority as a percentage of every work published that year, 0.00013% in 2024.

still counting0.0050%0.010%0.015%Tennessee Valley Authority0.000077% in 202519801990200020102020

Fractional works of Tennessee Valley Authority 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, against all institutions in the same year.

5%10%15%all institutions10.0% in 2003Tennessee Valley Authority2.0% in 20032000

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 8.4% in 1995.

Other research institutions in Knoxville

All research institutions in Knoxville

Share Tennessee Valley Authority's ranking

Tennessee Valley Authority on Science Explorer

A card with Tennessee Valley Authority's standing and the fields it leads in, for a post or a slide. A link to this page previews as the same card.

Download the card

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

Badges for a website1Each links back here and updates with every snapshot

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

Discussion

Ask a question or share a note about Tennessee Valley Authority. Posts are plain text and can be reported.