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Photovoltaic Systems and Sustainability

Photovoltaic Systems and Sustainability is a research topic within Environmental Engineering. Science Explorer counts 10k research works in it since 1950. 14.3% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the environmental impacts, life cycle assessment, energy payback time, and greenhouse gas emissions of solar energy technologies, particularly photovoltaic systems. It also explores the integration of solar panels with agriculture (agrivoltaic systems) and the recycling and end-of-life management of photovoltaic modules.

  • Solar Energy
  • Life Cycle Assessment
  • Photovoltaic Systems
  • Land Use
  • Recycling
  • Agrivoltaic Systems
  • Energy Payback Time
  • Greenhouse Gas Emissions
  • End-of-Life Management
  • Renewable Energy
Research works
10k
fractional, since 1950
In the world top 10%
1.4k
per year above
Top-10% rate
14.3%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
+72%
the tick is no change

Which countries lead Photovoltaic Systems and Sustainability research?

By volume, China and the United States publish the most (450 and 370 works in 2022–2025).

By volume, 2022–2025

  1. 1 China 450 works
  2. 2 United States 370 works
  3. 3 India 301 works
  4. 4 Brazil 254 works
  5. 5 Italy 147 works
  6. 6 Germany 123 works
  7. 7 Spain 115 works
  8. 8 France 99 works
  9. 9 United Kingdom 99 works
  10. 10 Australia 79 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 22.1%United States: 18.2%India: 14.8%Brazil: 12.5%6 others listed: 32.5%22%largest
China450 · 22.1%United States370 · 18.2%India301 · 14.8%Brazil254 · 12.5%6 others listed663 · 32.5%

Shares of the rows listed above, not of the whole node.

Which institutions lead Photovoltaic Systems and Sustainability research?

By volume in 2022–2025, UNSW Sydney publishes the most Photovoltaic Systems and Sustainability research, followed by National Laboratory of the Rockies and Universidade Federal de Santa Catarina.

Who are the leading researchers in Photovoltaic Systems and Sustainability?

The most-cited researchers publishing on Photovoltaic Systems and Sustainability include Saad Mekhilef and Frederik C. Krebs.

  1. 1 Saad Mekhilef Malaysia 2.5k citations
  2. 2 Frederik C. Krebs Denmark 2.3k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

Where is Photovoltaic Systems and Sustainability research done?

The largest centres of Photovoltaic Systems and Sustainability research in 2022–2025 are Beijing (China), Sydney (Australia), Nanjing (China) and Golden (United States). Among places with at least 20 works in it, it is an unusually large share of all research in Golden and Florianópolis.

Largest cities, 2022–2025

  1. 1 Beijing China 113 works
  2. 2 Sydney Australia 36 works
  3. 3 Nanjing China 31 works
  4. 4 Golden United States 29 works
  5. 5 New Delhi India 28 works
  6. 6 Dhaka Bangladesh 27 works
  7. 7 Milan Italy 27 works
  8. 8 São Paulo Brazil 26 works
  9. 9 Rome Italy 26 works
  10. 10 Paris France 25 works

Where it is the local speciality

  1. GoldenUS · 29.1 works32×
  2. FlorianópolisBR · 23.1 works7.3×
← less than its size predictsmore →

Location quotient: how much more of its research is in Photovoltaic Systems and Sustainability than the world average.

See Photovoltaic Systems and Sustainability on the map

Where is the best place to study Photovoltaic Systems and Sustainability?

Among universities, judged by research, Western University, UNSW Sydney and King Fahd University of Petroleum and Minerals score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%60%mean 19.12%fractional works in this node (log) →share in the world top 10% →Western University: 15, 56.0%UNSW Sydney: 27, 17.0%King Fahd University of Petroleum and Minerals: 9, 33.3%Politecnico di Milano: 16, 25.7%Universidade Tecnológica Federal do Paraná: 11, 0.0%Universidade Federal de Santa Catarina: 19, 4.5%Arizona State University: 14, 13.0%Technical University of Sofia: 11, 1.0%North China Electric Power University: 13, 24.4%Delhi Technological University: 8, 16.3%Western UniversityKing Fahd University…Politecnico di MilanoUNSW Sydney
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Western UniversityCanada 72.656.0%8.0×15
2 UNSW SydneyAustralia 66.317.0%9.7×27 +22.8%
3 King Fahd University of Petroleum and MineralsSaudi Arabia 52.033.3%7.3×9
4 Politecnico di MilanoItaly 47.525.7%6.5×16 +1.9%
5 Universidade Tecnológica Federal do ParanáBrazil 47.50.0%12.5×11 +595.1%
6 Universidade Federal de Santa CatarinaBrazil 47.24.5%8.9×19 +65.8%
7 Arizona State UniversityUnited States 45.113.0%6.2×14 +130.3%
8 Technical University of SofiaBulgaria 38.31.0%23.8×11
9 North China Electric Power UniversityChina 37.924.4%5.6×13 +30.3%
10 Delhi Technological UniversityIndia 36.116.3%8.7×8

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Photovoltaic Systems and Sustainability research growing?

Output in 2018–2022 was 72% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Photovoltaic Systems and Sustainability.

19801990200020102020
grewheldshrank

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

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.