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Highly Cited Researchers

Engineering & Technology / Energy Engineering Highly Cited Researchers 73 Scientists Citation in South Africa Rankings - 2026

See how widely and consistently research is cited with real-time citation rankings.
Covering 2.6 million scientists, this list evaluates both total and last 5 years’ citation counts to measure scientific influence and highlight Highly Cited Researchers.
Built on transparency, it also addresses unethical practices and encourages reporting of violations. Compare results across 13 fields and 221 disciplines.

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Total 73 scientists , Updates every 3 days
* Total Citation Counts Rankings

Rankings

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50,813
World Rank
South Africa
172
Country Rank
University of the Western Cape Logo
5
University
Ranking Based On Selection:
1
Ruud Schropp
University of the Western Cape Bellville, South Africa
Engineering & Technology / Energy Engineering
photovoltaics | nanomaterials | nanophotonic

Citation Metrics

  • Total
    19,158
  • Last 5 Years
    6,107
  • Last 5 Years / Total
    0.319
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* Total Citation Counts Rankings

Rankings

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144,803
World Rank
South Africa
579
Country Rank
University of Johannesburg Logo
27
University
Ranking Based On Selection:
2
Jianwei Ren
University of Johannesburg Johannesburg, South Africa
Engineering & Technology / Energy Engineering
Materials Sciences | Process Control | H2 & FC technologies | ALD technologies | System integratio

Citation Metrics

  • Total
    8,083
  • Last 5 Years
    6,644
  • Last 5 Years / Total
    0.822
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* Total Citation Counts Rankings

Rankings

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147,337
World Rank
South Africa
589
Country Rank
University of the Free State Logo
16
University
Ranking Based On Selection:
3
Vinod Kumar
University of the Free State Bloemfontein, South Africa
Engineering & Technology / Energy Engineering
Perovskite solar cell | Organic solar cell | DSSC | Gas Sensors | Materials for Energ

Citation Metrics

  • Total
    7,954
  • Last 5 Years
    4,651
  • Last 5 Years / Total
    0.585
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* Total Citation Counts Rankings

Rankings

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175,286
World Rank
South Africa
714
Country Rank
University of South Africa Logo
18
University
Ranking Based On Selection:
4
Diane Hildebrandt
University of South Africa Pretoria, South Africa
Engineering & Technology / Energy Engineering
Energy Efficiency | Fischer Tropsch | Process Synthesi

Citation Metrics

  • Total
    6,737
  • Last 5 Years
    2,974
  • Last 5 Years / Total
    0.441
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* Total Citation Counts Rankings

Rankings

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207,402
World Rank
South Africa
861
Country Rank
University of Cape Town Logo
196
University
Ranking Based On Selection:
5
Anton Eberhard
University of Cape Town Cape Town, South Africa
Engineering & Technology / Energy Engineering
Energ

Citation Metrics

  • Total
    5,686
  • Last 5 Years
    2,267
  • Last 5 Years / Total
    0.399
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* Total Citation Counts Rankings

Rankings

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269,403
World Rank
South Africa
1,175
Country Rank
Stellenbosch University Logo
147
University
Ranking Based On Selection:
6
Ntshengedzeni Sampson Mamphweli
Stellenbosch University Stellenbosch, South Africa
Engineering & Technology / Energy Engineering
Biomass and bioenergy | renewable energ

Citation Metrics

  • Total
    4,308
  • Last 5 Years
    3,591
  • Last 5 Years / Total
    0.834
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* Total Citation Counts Rankings

Rankings

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313,905
World Rank
South Africa
1,393
Country Rank
North West University Logo
67
University
Ranking Based On Selection:
7
Edward Mathews
North West University Potchefstroom, South Africa
Engineering & Technology / Energy Engineering
Energy | Efficiency of Operations | Metabolis

Citation Metrics

  • Total
    3,614
  • Last 5 Years
    1,063
  • Last 5 Years / Total
    0.294
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* Total Citation Counts Rankings

Rankings

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363,251
World Rank
South Africa
1,660
Country Rank
University of Kwazulu Natal Logo
140
University
Ranking Based On Selection:
8
Freddie Inambao
University of Kwazulu Natal Durban, South Africa
Engineering & Technology / Energy Engineering
Energ

Citation Metrics

  • Total
    3,028
  • Last 5 Years
    2,591
  • Last 5 Years / Total
    0.856
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* Total Citation Counts Rankings

Rankings

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385,909
World Rank
South Africa
1,776
Country Rank
Council for Scientific and Industrial Research, South Africa Logo
27
University
Ranking Based On Selection:
9
BC North
Council for Scientific and Industrial Research, South Africa Pretoria, South Africa
Engineering & Technology / Energy Engineering
Energy | Hydrogen | Coal | Wast

Citation Metrics

  • Total
    2,807
  • Last 5 Years
    1,724
  • Last 5 Years / Total
    0.614
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* Total Citation Counts Rankings

Rankings

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389,983
World Rank
South Africa
1,796
Country Rank
University of South Africa Logo
48
University
Ranking Based On Selection:
10
Bakang Moses Mothudi
University of South Africa Pretoria, South Africa
Engineering & Technology / Energy Engineering
Renewable Energy | Solid State Lighting | Nanoscience | Physic

Citation Metrics

  • Total
    2,769
  • Last 5 Years
    2,139
  • Last 5 Years / Total
    0.772
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* Total Citation Counts Rankings

Rankings

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400,584
World Rank
South Africa
1,861
Country Rank
University of Pretoria Logo
181
University
Ranking Based On Selection:
11
Farshad Barzegar
University of Pretoria Pretoria, South Africa
Engineering & Technology / Energy Engineering
Energy storage | Supercapacitor | Nanotechnology | Energy efficienc

Citation Metrics

  • Total
    2,674
  • Last 5 Years
    1,716
  • Last 5 Years / Total
    0.642
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* Total Citation Counts Rankings

Rankings

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407,769
World Rank
South Africa
1,910
Country Rank
Stellenbosch University Logo
244
University
Ranking Based On Selection:
12
Mohsen A Mandegari
Stellenbosch University Stellenbosch, South Africa
Engineering & Technology / Energy Engineering
Bioenergy | Biofuel | Biorefiner

Citation Metrics

  • Total
    2,610
  • Last 5 Years
    2,032
  • Last 5 Years / Total
    0.779
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* Total Citation Counts Rankings

Rankings

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411,698
World Rank
South Africa
1,926
Country Rank
Council for Scientific and Industrial Research, South Africa Logo
33
University
Ranking Based On Selection:
13
Xolile Fuku
Council for Scientific and Industrial Research, South Africa Pretoria, South Africa
Engineering & Technology / Energy Engineering
Energy-Fuel cells | Sensors | Green chemistry | nanomaterials | Battery materials and recyclin

Citation Metrics

  • Total
    2,578
  • Last 5 Years
    1,939
  • Last 5 Years / Total
    0.752
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* Total Citation Counts Rankings

Rankings

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427,092
World Rank
South Africa
2,024
Country Rank
University of Fort Hare Logo
23
University
Ranking Based On Selection:
14
Engr. Kechrist Obileke
University of Fort Hare Alice, South Africa
Engineering & Technology / Energy Engineering
Renewable energy (biomass gasification | biogas digester) | food processing | biofuel | water and wastewater treatmen

Citation Metrics

  • Total
    2,454
  • Last 5 Years
    2,442
  • Last 5 Years / Total
    0.995
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* Total Citation Counts Rankings

Rankings

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465,740
World Rank
South Africa
2,222
Country Rank
University of Johannesburg Logo
158
University
Ranking Based On Selection:
15
Walter Musakwa
University of Johannesburg Johannesburg, South Africa
Engineering & Technology / Energy Engineering
Conservation and communities | ecosystem services | culture & indigenous knowledge | climate chang

Citation Metrics

  • Total
    2,177
  • Last 5 Years
    1,898
  • Last 5 Years / Total
    0.872
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* Total Citation Counts Rankings

Rankings

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468,640
World Rank
South Africa
2,238
Country Rank
University of Johannesburg Logo
159
University
Ranking Based On Selection:
16
Anup Pradhan
University of Johannesburg Johannesburg, South Africa
Engineering & Technology / Energy Engineering
Bioenergy | Farm Mechanization | Life Cycle Assessment | Applied Operations Research and Optimization | Smart Grid Managemen

Citation Metrics

  • Total
    2,158
  • Last 5 Years
    1,717
  • Last 5 Years / Total
    0.796
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* Total Citation Counts Rankings

Rankings

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482,217
World Rank
South Africa
2,319
Country Rank
South African Weather Service Logo
2
University
Ranking Based On Selection:
17
Henerica Tazvinga
South African Weather Service Chicago, South Africa
Engineering & Technology / Energy Engineering
Renewable energy | hybrid energy systems | energy management | energy optimizatio

Citation Metrics

  • Total
    2,073
  • Last 5 Years
    1,188
  • Last 5 Years / Total
    0.573
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* Total Citation Counts Rankings

Rankings

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495,467
World Rank
South Africa
2,388
Country Rank
Mangosuthu University of Technology (Technikon) Logo
3
University
Ranking Based On Selection:
18
BP Numbi Eng
Mangosuthu University of Technology (Technikon) Durban, South Africa
Engineering & Technology / Energy Engineering
Energy efficiency and management | mining systems energy efficiency | optimal control | Power system

Citation Metrics

  • Total
    1,992
  • Last 5 Years
    1,551
  • Last 5 Years / Total
    0.779
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* Total Citation Counts Rankings

Rankings

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497,565
World Rank
South Africa
2,402
Country Rank
University of Cape Town Logo
427
University
Ranking Based On Selection:
19
Lorena Pasquini
University of Cape Town Cape Town, South Africa
Engineering & Technology / Energy Engineering
Urban climate change - Behaviour Change - Climate Change Communication - Environmental governance and management - Climate chan

Citation Metrics

  • Total
    1,980
  • Last 5 Years
    1,273
  • Last 5 Years / Total
    0.643
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* Total Citation Counts Rankings

Rankings

flag
498,288
World Rank
South Africa
2,408
Country Rank
University of Pretoria Logo
232
University
Ranking Based On Selection:
20
Mmantsae Diale
University of Pretoria Pretoria, South Africa
Engineering & Technology / Energy Engineering
Energ

Citation Metrics

  • Total
    1,976
  • Last 5 Years
    1,224
  • Last 5 Years / Total
    0.619
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* Total Citation Counts Rankings

Rankings

flag
506,242
World Rank
South Africa
2,459
Country Rank
Durban University of Technology Logo
34
University
Ranking Based On Selection:
21
Yusuf Isa Makarfi
Durban University of Technology Durban, South Africa
Engineering & Technology / Energy Engineering
Sustainable Energy and porous material

Citation Metrics

  • Total
    1,930
  • Last 5 Years
    1,588
  • Last 5 Years / Total
    0.823
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* Total Citation Counts Rankings

Rankings

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549,112
World Rank
South Africa
2,692
Country Rank
Tshwane University of Technology Logo
37
University
Ranking Based On Selection:
22
Mukwanga Willy Siti
Tshwane University of Technology Pretoria, South Africa
Engineering & Technology / Energy Engineering
Energy management | Power System | optimal Contro

Citation Metrics

  • Total
    1,704
  • Last 5 Years
    1,313
  • Last 5 Years / Total
    0.771
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* Total Citation Counts Rankings

Rankings

flag
556,597
World Rank
South Africa
2,732
Country Rank
University of Kwazulu Natal Logo
229
University
Ranking Based On Selection:
23
AC Eloka-Eboka
University of Kwazulu Natal Durban, South Africa
Engineering & Technology / Energy Engineering
BioEnergy | Renewables | Thermodynamics | Bioprocess | Composities/Aerospace Engineerin

Citation Metrics

  • Total
    1,668
  • Last 5 Years
    1,391
  • Last 5 Years / Total
    0.834
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* Total Citation Counts Rankings

Rankings

flag
569,813
World Rank
South Africa
2,809
Country Rank
Stellenbosch University Logo
344
University
Ranking Based On Selection:
24
Holle Linnea Wlokas
Stellenbosch University Stellenbosch, South Africa
Engineering & Technology / Energy Engineering
renewable energy | economic transformation | social performanc

Citation Metrics

  • Total
    1,607
  • Last 5 Years
    1,243
  • Last 5 Years / Total
    0.773
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* Total Citation Counts Rankings

Rankings

flag
571,615
World Rank
South Africa
2,827
Country Rank
University of Cape Town Logo
488
University
Ranking Based On Selection:
25
Bothwell Batidzirai
University of Cape Town Cape Town, South Africa
Engineering & Technology / Energy Engineering
sustainable energ

Citation Metrics

  • Total
    1,599
  • Last 5 Years
    793
  • Last 5 Years / Total
    0.496
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