{"id":"https://openalex.org/A5042391220","orcid":"https://orcid.org/0000-0002-0490-5611","observed_orcids":["https://orcid.org/0000-0002-0490-5611"],"display_name":"John Nikoletatos","raw_author_names":["J. Nikoletatos","John Nikoletatos","Nikoletatos, John"],"full_name":"Nikoletatos, John","works_count":15,"cited_by_count":109,"summary_stats":{"2yr_mean_citedness":1.0,"h_index":5,"i10_index":4},"ids":{"openalex":"https://openalex.org/A5042391220","orcid":"https://orcid.org/0000-0002-0490-5611","observed_orcids":["https://orcid.org/0000-0002-0490-5611"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210130196","ror":"https://ror.org/02ev1p206","display_name":"Center for Renewable Energy Sources and Saving","country_code":"GR","type":"government","lineage":["https://openalex.org/I4210130196"]},"years":[2025,2024,2023,2020,2019,2018,2017]}],"last_known_institutions":[{"id":"https://openalex.org/I4210130196","ror":"https://ror.org/02ev1p206","display_name":"Center for Renewable Energy Sources and Saving","country_code":"GR","type":"government","lineage":["https://openalex.org/I4210130196"]}],"topics":[{"id":"https://openalex.org/T12838","display_name":"Photovoltaic Systems and Sustainability","count":6,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10468","display_name":"Photovoltaic System Optimization Techniques","count":5,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10905","display_name":"Solar Thermal and Photovoltaic Systems","count":5,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14481","display_name":"Renewable Energy and Sustainability","count":3,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10603","display_name":"Smart Grid Energy Management","count":2,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12838","display_name":"Photovoltaic Systems and Sustainability","value":6.28e-05,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12810","display_name":"Real-time simulation and control systems","value":3.56e-05,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10468","display_name":"Photovoltaic System Optimization Techniques","value":2.58e-05,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10905","display_name":"Solar Thermal and Photovoltaic Systems","value":2.14e-05,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14481","display_name":"Renewable Energy and Sustainability","value":2.05e-05,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"41291067","wikidata":"https://www.wikidata.org/wiki/Q1897785","display_name":"Photovoltaic system","score":0.8619318008422852},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.7795000076293945},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.4837999939918518},{"id":"147176958","wikidata":"https://www.wikidata.org/wiki/Q77590","display_name":"Civil engineering","score":0.37890201807022095},{"id":"119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","score":0.2796332836151123}],"counts_by_year":[{"year":2017,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":1},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":10},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":11},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2023,"works_count":4,"oa_works_count":4,"cited_by_count":11},{"year":2024,"works_count":1,"oa_works_count":0,"cited_by_count":17},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":17},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":6}],"display_name_alternatives":["J. Nikoletatos","John Nikoletatos","Nikoletatos, John"],"block_key":"j nikoletatos","works_api_url":"https://api.openalex.org/works?filter=author.id:A5042391220","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5042391220","updated_date":"2026-11-10T14:30:39","created_date":"2017-09-15T00:00:00"}