William Zappa

1.1k total citations · 1 hit paper
13 papers, 867 citations indexed

About

William Zappa is a scholar working on Electrical and Electronic Engineering, Energy Engineering and Power Technology and Pollution. According to data from OpenAlex, William Zappa has authored 13 papers receiving a total of 867 indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Electrical and Electronic Engineering, 3 papers in Energy Engineering and Power Technology and 2 papers in Pollution. Recurrent topics in William Zappa's work include Integrated Energy Systems Optimization (10 papers), Hybrid Renewable Energy Systems (3 papers) and Carbon Dioxide Capture Technologies (2 papers). William Zappa is often cited by papers focused on Integrated Energy Systems Optimization (10 papers), Hybrid Renewable Energy Systems (3 papers) and Carbon Dioxide Capture Technologies (2 papers). William Zappa collaborates with scholars based in Netherlands, United Kingdom and France. William Zappa's co-authors include Machteld van den Broek, Martin Junginger, Wim Turkenburg, André Faaij, Anne Sjoerd Brouwer, Gerard van der Schrier, Gert Jan Kramer, Wen Liu, Laurens P. Stoop and David Brayshaw and has published in prestigious journals such as SHILAP Revista de lepidopterología, Renewable and Sustainable Energy Reviews and Applied Energy.

In The Last Decade

William Zappa

12 papers receiving 838 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Is a 100% renewable European power system feasible by 2050?

2018 435 citations William Zappa, Martin Junginger et al. Applied Energy profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
William Zappa Netherlands	8	614	258	174	114	107	13	867
Nestor A. Sepulveda United States	8	777 1.3×	296 1.1×	229 1.3×	151 1.3×	89 0.8×	10	1.1k
Bryn Pickering Switzerland	10	654 1.1×	250 1.0×	215 1.2×	66 0.6×	120 1.1×	17	901
Madeleine McPherson Canada	18	769 1.3×	291 1.1×	283 1.6×	85 0.7×	128 1.2×	49	1.2k
Antun Pfeifer Croatia	17	753 1.2×	432 1.7×	230 1.3×	110 1.0×	121 1.1×	38	1.1k
Tyler Ruggles United States	12	561 0.9×	280 1.1×	193 1.1×	106 0.9×	53 0.5×	25	861
Oliver Ruhnau Germany	13	524 0.9×	247 1.0×	262 1.5×	75 0.7×	72 0.7×	27	786
Anne Sjoerd Brouwer Netherlands	8	898 1.5×	178 0.7×	239 1.4×	193 1.7×	103 1.0×	8	1.2k
Jon Gustav Kirkerud Norway	17	720 1.2×	253 1.0×	265 1.5×	55 0.5×	99 0.9×	19	906
Jann Michael Weinand Germany	20	596 1.0×	281 1.1×	216 1.2×	112 1.0×	146 1.4×	62	1.1k
Samuel F. Baldwin United States	11	596 1.0×	266 1.0×	203 1.2×	70 0.6×	80 0.7×	17	938

Countries citing papers authored by William Zappa

Since Specialization

Citations

This map shows the geographic impact of William Zappa's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by William Zappa with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites William Zappa more than expected).

Fields of papers citing papers by William Zappa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by William Zappa. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by William Zappa. The network helps show where William Zappa may publish in the future.

Co-authorship network of co-authors of William Zappa

This figure shows the co-authorship network connecting the top 25 collaborators of William Zappa. A scholar is included among the top collaborators of William Zappa based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with William Zappa. William Zappa is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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13 of 13 papers shown

Dubus, Laurent, et al.. (2025). Evaluation of ‘Dunkelflaute’ event detection methods considering grid operators’ needs. SHILAP Revista de lepidopterología. 2(2). 25007–25007.

Stoop, Laurens P., et al.. (2024). The climatological renewable energy deviation index (credi). Environmental Research Letters. 19(3). 34021–34021. 5 indexed citations

Dubus, Laurent, et al.. (2022). Towards a future-proof climate database for European energy system studies. Environmental Research Letters. 17(12). 121001–121001. 9 indexed citations

Zappa, William, Martin Junginger, & Machteld van den Broek. (2020). Can liberalised electricity markets support decarbonised portfolios in line with the Paris Agreement? A case study of Central Western Europe. Energy Policy. 149. 111987–111987. 14 indexed citations

Liu, Wen, et al.. (2019). The marginal-cost pricing for a competitive wholesale district heating market: A case study in the Netherlands. Energy. 189. 116367–116367. 44 indexed citations

Zappa, William, et al.. (2019). Assessment of the Role of CCS in the Provision of Long-Term Security of Power Supply and Deep CO2 Emission Reduction. SSRN Electronic Journal. 1 indexed citations

Zappa, William, et al.. (2019). Cost-optimal reliable power generation in a deep decarbonisation future. Applied Energy. 253. 113587–113587. 41 indexed citations

Zappa, William, Martin Junginger, & Machteld van den Broek. (2018). Is a 100% renewable European power system feasible by 2050?. Applied Energy. 233-234. 1027–1050. 435 indexed citations breakdown →

Zappa, William & Machteld van den Broek. (2018). Analysing the potential of integrating wind and solar power in Europe using spatial optimisation under various scenarios. Renewable and Sustainable Energy Reviews. 94. 1192–1216. 83 indexed citations

10.

Obernberger, Ingwald, et al.. (2017). Green on-site power generation : environmental considerations on small-scale biomass gasifier fuel-cell CHP systems for the residential sector. Publication Server of the Wuppertal Institute (Wuppertal Institute). 909–921. 1 indexed citations

11.

Obernberger, Ingwald, et al.. (2017). Development of a Highly Efficient Micro-Scale CHP System Based on Fuel-Flexible Gasification and a SOFC. ETA Florence. 725–731. 3 indexed citations

12.

Brouwer, Anne Sjoerd, Machteld van den Broek, William Zappa, Wim Turkenburg, & André Faaij. (2015). Least-cost options for integrating intermittent renewables in low-carbon power systems. Applied Energy. 161. 48–74. 220 indexed citations

13.

Zappa, William. (2014). Pilot-scale Experimental Work on the Production of Precipitated Calcium Carbonate (PCC) from Steel Slag for CO2 Fixation. Aaltodoc (Aalto University). 11 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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