About

ORCID ID Scopus Author ID Google Scholar Aarhus University ID JHU profile UoP profile

George Xydis had the opportunity to work in the wind sector together with developers, utilities, constructors, universities, and research institutes. He used to work as a Wind Projects Development Coordinator at Iberdrola Renewables, as a Wind Project Developer at Vector Hellenic Windfarms S.A., and as a Researcher at the Center for Electric Power and Energy, Department of Electrical Engineering at the Technical University of Denmark. He has been since Feb. 2017 with the Center for Energy Technologies, Aarhus University as an Associate Professor and since Jan 2023 as a Full Professor. George was one of the co-founders of VerdeCube and worked as an adjunct faculty member at Johns Hopkins University in Energy Policy and Climate program, teaching 425.624.81 - Wind Energy: Science, Technology and Policy. He has been since Jan. 2024 with the University of the Peloponnese, Dept. of Mechanical Engineering.

He used to collaborate, as a freelancer, with institutes, universities, and SMEs. George’s research interests include Energy Planning, Wind Resource Assessment, Technoeconomics of Renewable Energy Systems, Energy Demand and Plant Factories. He has co-authored more than 140 publications in international journals, more than 50 in international conferences, books, and book chapters, and serves as an Associate Editor in Heliyon Energy, Frontiers in Energy Systems & Policy, Journal of Business Analytics, and Energy & Environment. Since May 2024, he serves as the Co-Editor in Chief of "Cambridge Prisms: Energy Transitions", a scholarly journal that Cambridge University Press launched. He holds a PhD from the National Technical University of Athens, and a degree in Mechanical Engineering from the Aristotle University of Thessaloniki, Greece.

Having studied and developed more than 1700 MW of Renewable Energy Projects (mainly wind) has gained significant experience in the field. Dealt with site topography identification, correlation of short-term data with long-term data, estimation of energy production, design & energy yield optimization, analysis of wind resource data from meteorological masts and maps, data mining and data analytics, energy & technical analyses, business plans etc. He has been involved in several EU research projects and fundraising activities. His main research activities include (but are not limited to):

• Energy Resources Optimization & Spatial Planning
• Data-driven Energy System Modeling
• Low Carbon Technologies and Built Environment
• ESG & Just Transition
• Wind Resource Assessment
• Developing Wind Speed Prognostic Models
• Energy - Food Nexus in a Smart Community Approach
• Energy Demand and Indoor Vertical Farming
• Air Psychrometrics Analyses on wind/solar power output
• Energy Forecasting and Grid Response
• Resource Efficiency, Sectorial Analysis, and Exergy Analysis
• Energy Demand and Electricity Markets
• Circular economy approaches in energy systems
• Techno-economic Assessment of Energy Projects

Research

Projects Funded 

1. TETHYS, Horizon Europe, Topic: HORIZON-WIDERA-2023-ACCESS-02-02, Proposal ID: 101159567, Project Title: Twinning for Excellence in Floating Wind Turbine and Hydrogen Systems, duration: 36 months (Principal Investigator (PI), Aarhus University)
2. MSc CleanTech: Approval of a Master's Program in Clean Technologies Management from the dept. of Mechanical Engineering, University of the Peloponnese with the option for a Double Degree (MBA) from the Institut d’Administration des Entreprises, Universite de Montpellier, under the action “Internationalization of Higher Education Services” of the Recovery and Resilience Fund “Greece 2.0,” following rigorous evaluation by the Hellenic Authority for Higher Education (HAHE). The total funding awarded exceeds €1 million (Co-PI, University of the Peloponnese)
3. JUSTGREEN, funded by Nordforsk, Project number: 181578, Call: Green Transition, Title: Land use justice for green transitions, duration: 2024 - 2028 (PI, Aarhus University)
4. EMPHASIS, Topic: ERASMUS-EDU-2024-CBHE-STRAND-1 (Type of Action: ERASMUS-LS, Title: Empowering HE through access to cooperation for Sustainable Practices and Energy Efficiency for all, Duration in months: 24, (PI, Aarhus University)
5. LIFE PHARMA-DETOX: Demonstration of an innovative method for the detoxification of pharmaceutical wastewater from pharmaceutical facilities, Reference: LIFE20 ENV/CY/000615, duration: 01/09/2021 - 28/02/2025 (PI, Aarhus University)
6. GREENERSHIP, ERASMUS, Title: “Setting Sail for a Greener Future with Renewable Energy - Skills for all”, Duration in months: 24 (PI, Aarhus University) 
7. JustWind4All, Horizon Europe, Topic: HORIZON-CL5-2021-D3-03-05, Proposal ID: 101083936, Project Title: Just and effective governance for accelerating wind energy, duration: 36 months (PI, Aarhus University)
8. Xustain, “Det bæredygtige fundament for start-ups” (The sustainable foundation for start-ups), ERHVERVSSTYRELSEN (The Danish Business Authority), duration: 12 months (PI, Aarhus University)
9. RIS Summer School Activity Proposal: “Farm to Fork”, EIT Food Education: Inspire and RIS Inspire Programmes 2022, Apr.2022–Dec.2022 (PI, Aarhus University)
10. DIGITOUR: Programme: COSME, Boosting the tourism sector in Europe through digital tools and innovation, Project ID: 101038133 Call: COS-TOURINN-2020-3-04  duration: 26 months (start date: 10.Nov.2021) (PI, Aarhus University)
11. Food & Bio Cluster Denmark "Autonomous mobile robot with attached hyperspectral camera for monitoring the development of crops and detect nutrient and water deficiencies inside vertical farms", Apr. 2021 - Dec. 2021, (PI, Aarhus University)
12. EIT Food, RIS Summer School “Circular Business Models”, RIS Education, 01.01.2021 – 31.12.2021, (PI, Aarhus University)
13. SETS II ”Skandinavisk Elektrisk Transport System II” (Scandinavian Electric Transport System II), July 1, 2019 - June 30, 2022, INTERREG Öresund-Kattegat-Skagerrak (PI, Aarhus University)
14. SDG Network, Overcoming the Challenges of a Circular Economy, 15/8/2019 - 15/8/2021,  The Committee for Research and External Cooperation, Aarhus University (PI, Aarhus University), http://international.au.dk/#news-15496
15. SMARTIES "Smart Skills Development", Erasmus+, 2019-1-SK01-KA204-060691, tot. budget: €177792, Duration: 01.Sept.2019 - 30.Sept.2021 (PI, Aarhus University)
16. SUN2CHEM Novel photo-assisted systems for direct Solar-driven redUctioN of CO2 to energy rich CHEMicals, H2020-LC-SC3-RES-29-2019 – Converting Sunlight to storable chemical energy, Project Duration: 36 months (Participant, Aarhus University) 
17. Bird Collision Avoidance (BiCA), Energy Cluster Denmark, https://www.energycluster.dk/en/projects/bird-collision-avoidance/, Project Duration: 18 months (February 2020 - August 2021), (Participant, Aarhus University)
18. Applying Artificial Intelligence-Based Solutions to Avoid Bird Collisions at Wind Farms (PhD project: Eldina Salkanović) (Supervisor, Aarhus University)
19. ECENEF - Jean Monnet Erasmus+ proposal entitled “Economic Aspects of the Energy efficiency of EU countries” (Ref.: 599491-EPP-1-2018-1-RU-EPPJMO-PROJECT) (Participant, Aarhus University)
20. Growth perspectives of small scale hydroponic systems in cities: The sustainable energy-based business approach (PhD project: Dafni Avgoustaki) (Supervisor, Aarhus University)
21. Assessment of a portable RES-based H2 production-storage system towards a zero-emission cycling based transportation (PhD project: Dimitrios Apostolou) (Supervisor, Aarhus University)
22. RE-WEEE—Development and demonstration of Waste Electrical and Electronic Equipment (WEEE) prevention and reuse paradigms (Participant, Green Fund)
23. EXCELLENCE II - An Integrated Planning Tool for Meeting the Energy αnd Water Needs οf Small αnd Medium Size Aegean Sea Islands Using Optimum Renewable Energy Sources Hybrid Systems – (PHAROS), Technological Education Institute of Piraeus (TEIP), Department of Mechanical Engineering, Faculty of Engineering, Laboratory of Soft Energy Applications and Environmental Protection (Participant, TEIP)
24. TILOS - Technology Innovation for the Local Scale, Optimum Integration of Battery Energy Storage (Participant, TEIP)
25. BEYOND - Building a Centre of Excellence for Earth Observation based monitoring of Natural Disasters (Participant, NOA)
26. MF-Retrofit—Multifunctional facades of reduced thickness for fast and cost-effective retrofitting (Participant, CERTH)
27. FlexPower – a market design project, funded by Energinet.dk, 2010 - 2013 (Participant, DTU)
28. TWENTIES: Transmission system operation with large penetration of Wind and other renewable Electricity sources in Networks by means of innovative Tools and Integrated Energy Solutions, An FP7 Project (Participant, DTU)
29. EASE WIND - Enhanced Ancillary Services from Wind Power Plants (Participant, DTU)
30. iPower: a Strategic Platform for Innovation and Research within Intelligent Electricity (Participant, DTU)
31. NREL project: Advanced Unit Commitment Strategies in the Eastern Interconnection (Participant, DTU)
32. Sustainable Construction in Public and Private Works through IPP approach, (SUSCON), LIFE Environment Project, 2005-2008, European Commission (Participant, NTUA)
• Report: G. Xydis, Web site structure design and implementation report, SUSCON LIFE, LIFE05 ENV/GR/000235
• Developer of the “Eupalinus Database”, Available online: www.uest.gr/eupalinus
33. Development of best management systems for high priority waste streams in Cyprus, (KYPROS), Life-3rd Countries 2004-2006, European Commission (Participant, NTUA)
34. Promotion and Implementation of Systems for the Production of High Quality Compost from Biodegradable Household Waste separated at Source, (COMWASTE), LIFE Environment Project, 2004-2006 (Participant, NTUA)
35. Development of tools and guidelines for the promotion of the sustainable urban wastewater treatment and reuse in the agricultural production in the Mediterranean countries, (MEDAWARE), 2003-2006, MEDA projects, European Commission (Participant, NTUA)
36. Design and Application of an Innovative Composting Unit for the Effective Treatment of Sludge and other Biodegradable Organic Waste in Morocco, (MOROCOMP), Life-3rd Countries, 2006-2008, European Commission (Participant, NTUA)
37. MED-ISOLAE - Mediterranean Islands Sustainability ISO-Based Action Plan, “2006-2015”, (Participant, NTUA)
38. CIEL - Copenhagen Innovation and Entrepreneurship Lab (Participant, DTU)
39. Management and Valorisation of Solid Domestic Waste for the Small Urban Communities in Morocco (WasteSUM), Life-3rd Countries 2006-2009, European Commission (Participant, NTUA)
    • Report: M. Loizidou, D. Malamis, S. Malamis, G. Xydis, K. Moustakas, “Assessment of the existing situation and the related legislation in EU in connection with sludge management,” MOROCOMP LIFE TCY05/MA000141, pp. 30–81, 2006. (Deliv. 2)
40. Capacity Building of State Hazardous Waste Management Agency, Twinning Project, LV2006/IB/EN/01 TL, 2007 (Participant, NTUA)

COST Actions

Wind Resource Analysis Research

 

1. Danish Representative of the European COST Action CA20138 - NETWORK ON WATER-ENERGY-FOOD NEXUS FOR A LOW-CARBON ECONOMY IN EUROPE AND BEYOND, 2021-2025
2. Danish member of the Management Committee (MC) of the European COST Action TU1205 “Building Integration of Solar Thermal Systems (BISTS)”, 2013 - 2017
3. National Representative of the European COST Action “TU0902: Integrated assessment technologies to support the sustainable development of urban areas”, Member of the Management Committee, 2009-2013
4. National Representative of the European COST Action C24 “Analysis and Design of Innovative Systems for Low-EXergy in the Built Environment: COSTeXergy”, Member of the Management Committee, 2005-2009
5. Participation as members of a working group in the COST Action C23 “Strategies for a Low Carbon Built Environment” 2005-2009
6. Participation as members of a working group in the European Action: “COST Materials Action 530, Sustainable Materials Technology, Life Cycle Inventories for Environmentally Conscious Manufacturing Processes”, 2001-2005. Working Group IV “Integrated Product Policy”

Publications

Research Publications in International Journals

Publications
More than 140 publications in International
Journals

 

1. Wojahn, T., Xydis, G.; (2025), Extreme Wind Design Standards and Tropical Cyclone Resilient Wind Turbines. A Review; Energy (Proceedings of the ICE), Accepted: 15-May-2025
2. Xydis, G. (2025), Using Wind Resource Assessment to Optimize Plant Factory Locations; Proceedings of the National Academy of Sciences, India Section A: Physical Sciences, 1-9, DOI: 10.1007/s40010-025-00920-3 - Listen to the Podcast Download the Infographic
3. Lytopoulos, F.; Xydis, G.; (2025) Harnessing Water for Solar Power: Economic and Environmental Insights from Floating Photovoltaic Systems in Greece and in Cyprus, Energy Sources Part A: Recovery, Utilization, & Environmental Effects, 47(1), 5654-5674, DOI: 10.1080/15567036.2025.2469157, Accepted: 15-Feb-2025 - Listen to the Podcast Download the Mind Map
4. Tin, T. T. H.; Xydis, G.; (2025), The Power of Battery Energy Storage Systems: Unlocking Home Efficiency, International Journal of Emerging Electric Power Systems, (0), DOI: 10.1515/ijeeps-2024-0164 - Listen to the Podcast
5. Cope, M.; Xydis, G.; (2025) Wind-Based Microgrids: A Business Analysis and Their Role in Mitigating Grid Congestion, Energy Sources, Part B: Economics, Planning, and Policy, 20(1), 2448278, DOI: 10.1080/15567249.2024.2448278
6. Smead, M., Xydis, G.; (2024), Reducing Regulatory Turbulence for U.S. Offshore Wind Development, Engineering Sustainability (Vol. 178, No. 3, pp. 164-170). Emerald Publishing Limited., DOI: 10.1680/jensu.22.00064
7. Salkanovic, E.; Enevoldsen, P.; Xydis, G.; (2024), Investigating Avian Habitat Modification and Behavioral Dynamics in Active Wind Farm Environments, Environment, Development and Sustainability, 1-19, DOI: 10.1007/s10668-024-05573-7 
8. Nagy E.; Al-Jurani, H.; Xydis, G.; (2024), Will the EU have enough minerals to drive their electric dreams by 2030? The Extractive Industries and Society, 20, 101556., DOI: 10.1016/j.exis.2024.101556
9. Søgaard-Deakin J.; Xydis, G.(2024) Prefeasibility Study on Optimal Site Location for Power-to-X: An Experiment for the Danish Energy System, Energy Reports, 12, 1859-1875, DOI: 10.1016/j.egyr.2024.08.003 
10. Su, Q; Zhou, P.; Ding, H.; Xydis, G.; (2024), Transition towards a hybrid energy system: Combined effects of Renewable Portfolio Standards and Carbon Emission Trading, Energy Economics, 107638, DOI: 10.1016/j.eneco.2024.107638
11. Ambarcumianas, T; Karulyté, G; Xydis G.; (2024) Reaching the Heights: A Desk Study on Exploring Opportunities and Challenges for Lithuania’s Tallest Wind Turbine, Applied Sciences,14(11), 4435, DOI: 10.3390/app14114435
12. Denis, A., Xydis, G. (2023). Exploring the Feasibility of Solar and Wind Energy Utilization in Poland: A Hybrid Energy Mapping Approach. Technical Annals, 1(4), https://ejournals.epublishing.ekt.gr/index.php/ta/article/view/36946
13. McClenny, I.; Tynes, E.; Xydis, G.; (2024) Wind-plus-Storage Integration in Emerging Markets - A GIS-driven Proof-of-Concept for Papua New Guinea, International Journal of Emerging Electric Power Systems, DOI: 10.1515/ijeeps-2023-0372
14. Strasszer, D.; Xydis, G.; (2024) Integrating Geothermal Energy in Hungary: A Case Study on Sustainable Urban Heating and Emissions Mitigation through the District Heating Infrastructure; Tunnelling and Underground Space Technology, Vol. 149, 105804, DOI: 10.1016/j.tust.2024.105804 
15. Nanaki, E. A., Kiartzis, S., Xydis, G. A., (2024), Is Greece ready for a hydrogen energy transition? Quantifying relative costs in Hard to Abate Industries, Energies, Energies 2024, 17(7), 1722; DOI: 10.3390/en17071722
16. Baral, S., Xydis, G., (2024), Unleashing the Economic Potential of Wind Power for Ancillary Services, International Journal of Emerging Electric Power Systems, Volume 26 Issue 1, DOI: 10.1515/ijeeps-2023-0267
17. Søgaard-Deakin, J.; Xydis, G. (2024); Green hydrogen production using proton membrane electrolysis of clean drinking water, Journal of Environmental Engineering and Science, 19(4), 214-222, DOI: 10.1680/jenes.23.00071
18. Schrøder Hansen, K. E.; Xydis, G.; (2023), Long-Term Heat Storage Opportunities of Renewable Energy Sources for District Heating Networks, Energy (Proceedings of the ICE), DOI: 10.1680/jener.23.00023, Accepted: 23 Nov. 2023
19. Xydis, G.; Nanaki, E. (2023), Energy Industry Transition Transformation in the Wake of COVID-19. Energies 2023, 16, 7455. DOI: 10.3390/en16217455
20. Sohn, J.; Liulys, M.; Avgoustaki, D.D.; Xydis, G.; (2023), CFD Analysis of airflow uniformity in a shipping container vertical farm, Computers and Electronics in Agriculture, 215, 108363, DOI: 10.1016/j.compag.2023.108363
21. de Boer, D.; Xydis, G.; (2023), A Review on Operation & Maintenance Strategies for Offshore Wind Farms, Ships and Offshore Structures, 19(10), 1563-1570, DOI: 10.1080/17445302.2023.2256594
22. Lucic, M.; Xydis, G., (2023) Performance of the ARIMAX statistical Model on the Intraday Market for the Denmark-West Bidding Area, Energy & Environment, 0958305X231199154., DOI: 10.1177/0958305X231199154
23. Niswander, G., Xydis, G., (2023) California’s Electric Grid Nexus with the Environment, International Journal of Emerging Electric Power Systems,, 25(6), 723-735,  DOI: 10.1515/ijeeps-2023-0117
24. Ammar, E.; Xydis, G. (2023) Wind Speed Forecasting using Deep Learning and Preprocessing Techniques, International Journal of Green Energy, 21(5), 988-1016, DOI: 10.1080/15435075.2023.2228878
25. Lee, J.; Xydis, G. (2023), Floating Offshore Wind Projects Development in South Korea without Government Subsidies, Clean Technologies and Environmental Policy, , 26(5), 1587-1602, DOI: 10.1007/s10098-023-02564-6
26. Sorrenti, I; Rasmussen, T. B. H; Xydis, G., Enevoldsen, P.; You, S.; (2023), Correlations between component size green hydrogen demand and breakeven price for energy islands, Renewable and Sustainable Energy Reviews, 183, 113439, DOI: 10.1016/j.rser.2023.113439
27. Svane, K.; Enevoldsen, P.; Xydis, G. (2023); Using Existing Cold Stores as Thermal Energy Storage, Environmental Science and Pollution Research, 1-9, DOI: 10.1007/s11356-023-27752-1
28. Ghadiali, F.; Xydis, G.; (2023), Grid Integration of Wind Farms and the Interconnection Requirements for the U.S. Grid, International Journal of Emerging Electric Power Systems, 25(4), 421-428, DOI: 10.1515/ijeeps-2023-0037
29. Hernandez P.G.; Berg T. L.; Xydis, G.; (2023) Usage of methanol fuel cells to reduce power outages in Etelä-Savo region, Finland; Environments, 10(6), 96; DOI: 10.3390/environments10060096
30. Vardopoulos, I; Vannas, I; Xydis, G.; Vassiliades, C; (2023), Homeowners' Perceptions in Renewable Energy and Market Value of Sustainable Buildings, Energies 2023, 16(10), 4178; DOI: 10.3390/en16104178 
31. Fahad, A. D.; Olsen, C. R.; Xydis, G., (2023); Electric Domestic Aviation. Is the Danish Case Feasible? Proceedings of the Institution of Civil Engineers-Transport (Vol. 177, No. 7, pp. 420-431). Emerald Publishing Limited, DOI: 10.1680/jtran.22.00090 
32. Ning, S., Xydis, G.; (2023); PEST Analysis of the Future Chinese Vertical Farming Market: Environmental Sustainability and Energy Savings, AIMS Agriculture and Food, 8(2): 496-512. DOI: 10.3934/agrfood.2023026
33. Celsa, M., Xydis, G., (2023), The Inflation Reduction Act versus the 1.5 Cent/kWh and 30% Investment Tax Credit Proposal for Wind Power, SN Business & Economics, 3(3), 68, DOI: 10.1007/s43546-023-00448-x 
34. Jost, K.; Xydis, G.; (2023) Offshore wind acceleration in the U.S. Atlantic coast and the 30 GW by 2030 target, Proceedings of the Institution of Civil Engineers – Energy, 1-8, DOI: 10.1680/jener-2022-045, Accepted: Dec-21-2022
35. Spezakis, Z.; Xydis, G.; (2022), Transporting offshore wind power in the Western Gulf of Mexico: retrofitting existing assets for power transmission via green hydrogen—a review, Environmental Science and Pollution Research, 1-12. DOI: 10.1007/s11356-022-23292-2, Accepted: Sept-23-2022
36. Koumoulides, D.; Katsenios, N.; Kasimatis, C. N.; Xydis, G.; Vlachakis, D.; Efthimiadou, A.; (2022), Socio-economic Impact of the Imposed Lockdowns in Food Chains. A Case Study in Cyprus, Environments, 9(11), 137; DOI: 10.3390/environments9110137
37. Avgoustaki, D.D.; Avgoustakis, I.; Miralles, C.C.; Sohn, J.; Xydis, G.;(2022), Autonomous Mobile Robot with Attached Multispectral Camera to Monitor the Development of Crops and Detect Nutrient and Water Deficiencies in Vertical Farms, Agronomy, 12(11), 2691; DOI: 10.3390/agronomy12112691
38. Xydis, G.; (2022) The Importance of Wind Resource Assessment in Plant Factories’ Siting, Energies, 15(15), 5351; DOI: 10.3390/en15155351
39. Martini, R.; Xydis, G.; (2023). Repurposing and Recycling Wind Turbine Blades in the United States, Environmental Progress & Sustainable Energy, 42(1), e13932. DOI: 10.1002/ep.13932
40. Xydis, G.; Efthimiadou, A.; Ucal, S. M.; (2022). Food to Grid: Developing a Multi-Value Renewable Energy Investment Ecosystem, Energy Conversion and Management, 266, 115850, DOI: 10.1016/j.enconman.2022.115850
41. Manos D.P.; Xydis, G.; (2022). A multi-criteria linear model on carbon footprint in vertical farms and its relation to energy demand and operational costs, Environmental Science and Pollution Research, 29(52), 79331-79342, DOI: 10.1007/s11356-022-21396-3
42. Choti, J.; Xydis, G.; (2022), Harnessing offshore wind energy in east Africa: the next big move to lighting up the continent, In Proceedings of the Institution of Civil Engineers-Civil Engineering (Vol. 175, No. 6, pp. 31-38). Thomas Telford Ltd, DOI: 10.1680/jcien-2021-253
43. Matathia, A.; Xydis, G.; (2022), Offshore Wind Transmission in the United States. A Collectivist Culture versus Europe’s Individualistic Approach? International Journal of Emerging Electric Power Systems, Vol. 24, no. 3, 2023, pp. 249-258. DOI: 10.1515/ijeeps-2022-0018
44. Lee, J.; Xydis, G.; (2022), Is Zero Subsidy in Fixed-Bottom Offshore Wind Farms Feasible? The Case of Incheon, South Korea, Wind, 2(2), 210-220, DOI: 10.3390/wind2020012
45. Bujok, P; Bjorn-Thygesen, F.; Xydis, G.; (2022), Developing a Sustainable Energy Strategy for Midtjyllands Airport, Denmark; International Journal of Sustainable Transportation, 1-25, DOI:10.1080/15568318.2022.20296322
46. Graugés, G.G., Xydis, G.; (2022), Solar Thermal in the Nordics. A Belated Boom for All or Not?, AIMS Energy,Vol. 10, Issue 1: 69-86. doi: 10.3934/energy.2022005
47. Niswander, G.; Xydis G.; (2022), Wind Microgeneration Strategy for meeting California Carbon Neutral Grid Goal, Applied Sciences, 12(4), 2187; DOI: 10.3390/app12042187
48. ElMaamoun, D.; Xydis, G.; (2022), Mass Wind Deployment in Egypt: The Transformative Energy Hub among 3 continents, Proceedings of the Institution of Civil Engineers-Energy, 175(4), 229-236, DOI: 10.1680/jener.21.00059
49. Hoffmann, A., Nanaki, E., Enevoldsen, P., Xydis, G. (2021). A behavioural change study in Denmark engaging car drivers in reducing fuel consumption: The key is in the message, International Journal of Sustainable Transportation, 1-10. DOI: 10.1080/15568318.2021.1992688 
50. Perambalam, L.; Avgoustaki, D. D.; Efthimiadou, A.; Liu, Y.; Wang, Y.; Ren, M.; Petridis, A.; Xydis, G.; (2021). How Consumers Perceive Vertical Farming in Denmark. Is the Market Ready for the coming Boom?, Agronomy, 11, 2128. DOI: 10.3390/agronomy11112128 
51. Avgoustaki, D.D., Xydis, G., (2021). Energy cost reduction by shifting electricity demand in indoor vertical farms with artificial lighting, Biosystems Engineering, 211, 219-229. DOI:10.1016/j.biosystemseng.2021.09.006
52. Rodriguez, B.; Xydis, G., (2021); A Five-target Innovation Discussion on Low-Speed Wind Turbine System Optimization, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 1-15, DOI: 10.1080/15567036.2021.1966135
53. Tzelepis S.; Kavadias, K. A.; Marnellos, G.E.; Xydis, G. (2021); A Review Study on Proton Exchange Membrane Fuel Cell Electrochemical Performance focusing on Anode and Cathode Catalyst Layer Modelling at Macroscopic Level, Renewable and Sustainable Energy Reviews, 151, 111543
54. Xydis G.; Strasszer, D.; Avgoustaki, D.D.; Nanaki, E., (2021); Mass Deployment of Plant Factories as a Source of Load Flexibility in the Grid under an Energy-Food Nexus. A Technoeconomics-based Comparison; Sustainable Energy Technologies and Assessments, 47, 101431.
55. Koscis G., Xydis, G., (2021); An Evaluation Framework on Additive Manufacturing for Hydraulic Systems in Wind Turbines focused on System Simplification, Modelling, 2(2), 327-343. 
56. Zhu, T., Li, L., Petridis, A., Xydis, G., & Ren, M. (2021). First Report of Fusarium asiaticum Causing Stem Rot of Ligusticum chuanxiong in China. Plant Disease, (ja).
57. Connelly, C.; Xydis, G.; (2021); Wind Energy in the Gulf Cooperation Council Region: Progress, Challenges, and Strategies for Development, Review of Economics and Political Science, , 6 (4), 278-291. DOI: 10.1108/REPS-12-2020-0183
58. Avgoustaki, D. D.; Bartzanas, T.; Xydis, G.; (2021). Minimising the energy footprint of indoor food production while maintaining a high growth rate: Introducing disruptive cultivation protocols. Food Control, 108290. DOI: 10.1016/j.foodcont.2021.108290
59. Xydis, G.; Kremastioti, K.; Panagiotidou, M.; (2021). Wind Energy and the Historic Environment: A Business-driven Symbiosis Approach, Energy & Environment, , 0958305X211014870, DOI: 10.1177/0958305X211014870. 
60. Xydis, G.; Pagliaricci, L.; Pauzaite, Z.; Grinis, V.; Sallai, G.; Bakonyi, P.; Vician, R.; (2021). SMARTIES Project: The Survey of Needs for Municipalities and Trainers for Smart Cities. Challenges, 12(1), 13.  
61. Fonte, R., Xydis, G., (2021), Wind turbine blade recycling: An evaluation of the European market potential for recycled composite materials, Journal of Environmental Management, 287, 112269, DOI: 10.1016/j.jenvman.2021.112269,
62. Ribbing S., Xydis, G., (2021). Renewable Energy at Home: A Look into Purchasing a Wind Turbine for Home Use – The Cost of Blindly Relying on one Tool in Decision Making, Clean Technologies, 3(2), 299-310. DOI: 10.3390/cleantechnol3020017
63. Enevoldsen, P., Permien, F. H., Bakhtaoui, I., von Krauland, A. K., Jacobson, M. Z., Xydis, G., Sovacool, B. K., Valentine, S. V., Luecht, D., & Oxley, G. (2021). On the socio-technical potential for onshore wind in Europe: A response to critics. Energy Policy, 151, 112147, DOI: 10.1016/j.enpol.2021.112147
64. Strasszer, D.; Xydis, G., (2020) CFD-based Wind Assessment for Suburban Buildings. The Example of Aarhus University Herning, Frontiers in Energy Research, 8, 351, DOI: 10.3389/fenrg.2020.539095
65. Apostolou, D.; Casero, P.; Gil-Hernández, V.; Xydis, G.; (2021) Integration of a light mobility urban scale hydrogen refuelling station for cycling purposes in the transportation market, International Journal of Hydrogen Energy, 46(7), 5756-5762, DOI: 10.1016/j.ijhydene.2020.11.047
66. Tzavidas, E; Enevoldsen, P., Xydis, G., (2020), A University-industry knowledge transfer online education approach via a cloud-based database global solution, Smart Learning Environments, 7(1),20, DOI: 10.1186/s40561-020-00128-5
67. Aviles, A., Bottcher, J., Xydis, G., (2020), Solar-powered Golf Buggies Charging on the Road, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, pp. 1-11, DOI: 10.1080/15567036.2020.1792589
68. Avgoustaki, D.D.; Li, J.; Xydis, G., (2020), Basil Plants Grown under Intermittent Light Stress in a Small-Scale Indoor Environment: Introducing Energy Demand Reduction Intelligent Technologies, Food Control, 118,107389, DOI: 10.1016/j.foodcont.2020.107389
69. Roungkvist, J. S.; Enevoldsen, P.; Xydis, G.; (2020), High-Resolution Electricity Spot Price Forecast for the Danish Power Market, Sustainability, SI: Sustainable and Renewable Energy Systems, Sustainability, 12, 4267. DOI: 10.3390/su12104267
70. Ucal, S. M.; Xydis, G., (2020), Multidirectional Relationship between Energy Resources, Climate Changes and Sustainable Development: Technoeconomic analysis, Sustainable Cities and Society, 60,102210 DOI: 10.1016/j.scs.2020.102210
71. Karabiber, O.A.; Xydis, G., (2020), A Review of the Day-Ahead Natural Gas Consumption in Denmark. Starting point towards Forecasting Accuracy Improvement, International Journal of Coal Science & Technology, 1-22, DOI: 10.1007/s40789-020-00331-2
72. Avgoustaki, D.D., Xydis, G., (2020), Indoor Vertical Farming in the Urban Nexus Context: Business Growth and Resource Savings, Sustainability, 12(5), 1965; doi: 10.3390/su12051965
73. Karabiber, O.A.; Xydis, G., (2020), Forecasting Day-Ahead Natural Gas Demand in Denmark, Journal of Natural Gas Science & Engineering, 76,103193, DOI:10.1016/j.jngse.2020.103193  
74. Rasmussen, N. B.; Enevoldsen, P., Xydis, G., (2020), Transformative multi-value business models: A bottom-up perspective on the hydrogen-based green transition for modern wind power cooperatives, International Journal of Energy Research, 44(5), pp. 3990-4007, DOI: 10.1002/ER.5215
75. Xydis, G., Liaros, S., Avgoustaki, D.D., (2020), Small Scale Plant Factories with Artificial Lighting and Wind Energy Microgeneration: A Multiple Revenue Stream Approach, Journal of Cleaner Production, 255,120227 SI: SV: CP – SDGs, DOI: 10.1016/j.jclepro.2020.120227
76. Nanaki, E. A., Kiartzis, S., Xydis, G. A., (2020), Are only demand-based policy incentives enough to deploy electromobility?, Policy Studies, 1-17, DOI: 10.1080/01442872.2020.1718072, Accepted Jan. 2020
77. Avgoustaki D.D., Xydis, G., (2020), Plant Factories in the Water-Food-Energy Nexus Era: A Systematic Bibliographical Review, Food Security, 12(2), pp. 253-268, DOI: 10.1007/s12571-019-01003-z
78. Koscis G., Xydis, G., (2019), Repair process analysis for Wind Turbines equipped with Hydraulic Pitch mechanism on the U.S. market in focus of cost optimization, Applied Sciences, 9, 3230, DOI: 10.3390/app9163230 
79. Apostolou, D., Xydis, G.,  (2019), A Literature Review on Hydrogen Refuelling Stations and Infrastructure. Current Status and Future Prospects, Renewable and Sustainable Energy Reviews, 113, 109292, DOI: 10.1016/j.rser.2019.109292
80. Papadopoulou, K., Alasis, C., Xydis, G., (2020), On the Wind Blade's Surface Roughness due to Dust Accumulation and its Impact on the Wind Turbine's Performance: A Heuristic QBlade-based Modelling Assessment, Environmental Progress & Sustainable Energy, 39(1), 13296, DOI: 10.1002/ep.13296
81. Enevoldsen, P; Permien, F.-H.; Bakhtaoui, I., von Krauland, A.-K.; Jacobson, M. Z.; Xydis, G.; Sovacool, B. K.; Valentine, S. V.; Luecht, D.; Oxley, G., (2019), How Much Wind Power Potential Does Europe Have? Examining European Wind Power Potential with an Enhanced Socio-Technical Atlas, Energy Policy, 132, 1092-1100, DOI: 10.1016/j.enpol.2019.06.064
82. Xydis, G.; Vlachakis, N. (2019), Feed-in-Premium Renewable Energy Support Scheme: A Scenario Approach. Resources, 8, 106, DOI: 10.3390/resources8020106 
83. Enevoldsen, P., Xydis, G., (2019), Examining the trends of 35 years growth of key wind turbine components, Energy for sustainable development, 50, 18-26, DOI: 10.1016/j.esd.2019.02.003
84. Karabiber, O.A., Xydis, G., (2019), Electricity Price Forecasting in Danish Day-Ahead Market using TBATS, ANN and ARIMA Methods, Energies 12(5), 928; doi: 10.3390/en120509282019
85. Manos, D. P.; Xydis, G., (2019), Hydroponics: Are we moving towards that direction only because of the Environment? A Discussion on Forecasting and a Systems Review, Environmental Science and Pollution Research, 26: 12662-12672, DOI: 10.1007/s11356-019-04933-5
86. Joergensen, L.D., Tambo, T., Xydis, G., (2019), An efficiency evaluation of radar-based obstruction lights controlling at a wind turbine test site, Wind Energy, 22(4), 576-586, DOI:10.1002/we.2308
87. Sotiropoulos, A.; Xydis, G.; Yard, M.; Vakalis, S., (2019), Domestic biowaste drying method for the sustainable pretreatment of biowaste for their future use for producing biobased chemicals and bioenergy, International Journal of Environment and Waste Management 24.3 (2019): 237-249, doi: 10.1504/IJEWM.2019.103101
88. Hansen, J.M., Xydis, G., (2020), Rural Electrification in Kenya. A useful case for remote areas in Sub-Saharan Africa, Energy Efficiency, 13(2), 257-272, doi: 10.1007/s12053-018-9756-z
89. Apostolou, D., Enevoldsen, P., Xydis, G., (2019), Supporting green urban mobility – The case of a small-scale autonomous hydrogen refuelling station, International Journal of Hydrogen Energy, 44(20), 9675-9689, doi: 10.1016/j.ijhydene.2018.11.197
90. Sotiropoulos, Α., Xydis, G., Kontogianni, N., Vakalis, S., (2019), Results on the implementation of an innovative dehydrated biological waste to ethanol management scheme, International Journal of Environmental Science and Technology, 16(8), 4967-4974, doi: 10.1007/s13762-018-2135-7
91. Stylos, N.; Koroneos, C.; Roset, J.; Gonzalez-Sanchez, C.; Xydis, G; Munoz, F., (2018), Exergy as an Indicator for enhancing Evaluation of Environmental Management Performance in the Hospitality Industry, Journal of cleaner production, 198, 1503-1514, doi: 10.1016/j.jclepro.2018.07.107
92. Panagiotidis, P., Effraimis, A., Xydis, G.,(2019). An R-focused Forecasting Approach for Efficient Demand Response Strategies in Autonomous Micro Grids, Energy & Environment, Energy & Environment, 30(1), 63-80, doi: 10.1177/0958305X18787259 
93. Nikas, E., Sotiropoulos, A., Xydis, G. A., (2018) "Spatial Planning of Biogas Processing Facilities in Greece: The Sunflower's Capabilities and the Waste-to-Bioproducts Approach", Chemical Engineering Research and Design, 131, 234-244, doi: 10.1016/j.cherd.2018.01.004
94. Michalitsakos, P., Mihet-Popa, L., Xydis, G., (2017) A Hybrid RES Distributed Generation System for Autonomous Islands: A DER-CAM and Storage-Based Economic and Optimal Dispatch Analysis, Sustainability, 9(11), 2010; doi:10.3390/su9112010
95. Koroneos C. J., Polyzakis, A., Xydis G. A., Stylos, N., Nanaki E. A., (2017). Exergy analysis for a proposed binary geothermal power plant in Nisyros Island, Greece, Geothermics, 70, 38-46, doi:10.1016/j.geothermics.2017.06.004
96. Xydis, G., Liaros, S., Botsis K., (2017). Energy demand analysis via small scale hydroponic systems in suburban areas – An integrated energy-food nexus solution, Science of the Total Environment, Vol. 593, 610–617, doi: 10.1016/j.scitotenv.2017.03.170
97. Xydis, G., Mihet-Popa, L., (2016). Wind Energy Integration via Residential Appliances, Energy Efficiency, 10(2), pp 319–329, DOI: 10.1007/s12053-016-9459-2
98. Nanaki E. A., Koroneos C. J., Xydis G. A., (2016). Environmental Impact Assessment of Electricity Production from Lignite, Environmental Progress & Sustainable Energy, 35(6), pp. 1868-1875, doi:10.1002/ep.12427
99. Panagiotidou, M., Xydis, G., Koroneos, C., (2016). Spatial Inequalities and Wind Farm Development in the Dodecanese Islands—Legislative Framework and Planning: A Review. Environments, 3(3), 18, doi:10.3390/environments3030018
100. Panagiotidou, M., Xydis, G., Koroneos, C., (2016). Environmental siting framework for wind farms: A case study in the Dodecanese Islands, Resources, 5(3), 24; doi:10.3390/resources5030024
101. Liaros, S., Botsis K., Xydis, G., (2016). Technoeconomic Evaluation of Urban Plant Factories: The Case of Basil (Ocimum basilicum), Science of the Total Environment, 554–555, 218–227, doi: 10.1016/j.scitotenv.2016.02.174
102. Dalianis, G.; Nanaki, E.; Xydis, G.; Zervas, E., (2016). New Aspects to Greenhouse Gas Mitigation Policies for Low Carbon Cities. Energies, 9(3), 128; doi:10.3390/en9030128
103. Xydis, G., (2016). A Wind Resource Assessment around Large Mountain Masses. The Speed-Up Effect, International Journal of Green Energy, 13 (6), pp. 616-623, doi: 10.1080/15435075.2014.993763
104. Xydis, G., Nanaki, E., (2015). Wind Energy based Electric Vehicle Charging Stations Sitting. A GIS/Wind Resource Assessment Approach. Challenges, 6(2), 258-270; doi: 10.3390/challe6020258
105. Nanaki, E. A., Xydis, G. A., Koroneos, C.J., (2016). Electric Vehicle Deployment in Urban Areas, Indoor and Built Environment 25(7), 1065-1074, DOI: 10.1177/1420326X15623078
106. Xydis G., Pechlivanoglou, G, Nayeri, N. C., (2016). Wind Turbine Waste Heat Recovery—A Short-Term Heat Loss Forecasting Approach. Challenges, 6(2), 188-201, doi:10.3390/challe6020188
107. Xydis, G., Wind Energy Integration through District Heating. A Wind Resource Based Approach, Resources 2015, 4, 110-127, doi:10.3390/resources4010110
108. Wang Q., Zhang C., Ding Y., Xydis G., Wang J., Østergaard J., (2015). Review of Real-Time Electricity Markets on aspect of Integrating Distributed Energy Resources and Demand Response, Applied Energy, 138, pp. 695–706, doi:10.1016/j.apenergy.2014.10.048
109. Xydis, G., (2015). A Wind Energy Integration Analysis using Wind Resource Assessment as a Decision Tool for Promoting Sustainable Energy Utilization in Agriculture, Journal of Cleaner Production 96, 3799, pp. 476-485,  doi: 10.1016/j.jclepro.2013.11.030
110. Xydis G., (2014) On the Accumulated Capacity Factor of Integrated Energy Systems. Innov Energ Policies 3:101e. doi: 10.4172/ 2090-5009.1000101e
111. Nanaki, E.A., Koroneos, C.J., Xydis, G. A., Rovas, D., (2014). Comparative Environmental Assessment of Athens Urban Buses- Diesel, CNG and Biofuel Powered, Transport Policy, 35, pp. 311–318, DOI: 10.1016/j.tranpol.2014.04.001
112. Xydis, G., Nanaki, E., Koroneos, C., (2014). Comparative Wind Farm Planning on a High Plateau. Dust Dispersion as a Sitting Constraint, Land Use Policy, 39, pp. 22-33, DOI: 10.1016/j.landusepol.2014.03.001
113. Xydis, G., Nanaki, E., Koroneos, C., (2013). Low-Enthalpy Geothermal Resources for Electricity Production. A Demand Side Management Study for Intelligent Communities, Energy Policy, 62, pp. 118-123, DOI: 10.1016/j.enpol.2013.08.012
114. Xydis, G., Nanaki, E., Koroneos, C., (2013). Exergy analysis of Biogas Production from a Municipal Solid Waste Landfill, Sustainable Energy Technologies and Assessments, 4, pp. 20-28, DOI: 10.1016/j.seta.2013.08.003
115. Xydis G., (2013). Comparison study between a Renewable Energy Supply System and a supergrid for achieving 100% from renewable energy sources in Islands, International Journal of Electrical Power & Energy Systems, 46, 198–210, DOI: 10.1016/j.ijepes.2012.10.046 
116. Xydis, G., (2013). A Techno-economic and Spatial Analysis for the Optimal Planning of Wind Energy in Kythira Island, Greece, International Journal of Production Economics, 146(2), 440-452 , DOI: 10.1016/j.ijpe.2013.02.013
117. Xydis G., (2013), Wind energy to thermal and cold storage—A systems approach, Energy and Buildings 56, pp. 41-47, doi: 10.1016/j.enbuild.2012.10.011
118. Xydis G., (2013). On the Exergetic Capacity Factor of a Wind – Solar Power Generation System, Journal of Cleaner Production, 2013, 47, pp. 437-445, doi: 10.1016/j.jclepro.2012.07.014
119. Xydis, G., (2013). The Wind Chill Temperature Effect on a large-scale PV Plant – An Exergy Approach, The wind chill temperature effect on a large-scale PV plant—an exergy approach.  Progress in Photovoltaics: Research and Applications, 21(8), 1611-1624., DOI: 10.1002/pip.2247
120. Xydis, G., (2012). Development of an Integrated Methodology for the Energy Needs of a Major Urban City. The Case Study of Athens, Greece, Renewable and Sustainable Energy Reviews, 16(9), 6705-6716, DOI:  10.1016/j.rser.2012.09.003
121. Koroneos, C., Xydis, G., Polyzakis, A., (2012). The Optimal Use of Renewable Energy Sources - The Case of Lemnos Island, International journal of green energy, 10(8), 860-875, DOI:10.1080/15435075.2012.727929
122. Xydis G., (2012). Wind-Direction Analysis in Coastal Mountainous Sites. An Experimental Study within the Gulf of Corinth, Greece. Energy Conversion and Management, 64, pp. 157-169, DOI: 10.1016/j.enconman.2012.05.018
123. Koroneos, C. J., Nanaki, E. A., Xydis, G., (2012). Sustainability Indicators for the Use of resources – The Exergy Approach, Sustainability, 4, 1867-1878, DOI: 10.3390/su4081867
124. Xydis, G., (2011) Effects of air psychrometrics on the exergetic efficiency of a wind farm at a coastal mountainous site – An experimental study, Energy, 37, pp. 632-638, DOI: 10.1016/j.energy.2011.10.039
125. Xydis, G; Koroneos, C.; Nanaki, E.  (2011), Exergy Based Comparison of two Greek Industries, International Journal of Exergy, 8(4), 460-476, DOI:10.1504/IJEX.2011.041033
126. Koroneos, C.J.; Nanaki, E.; Xydis G.; (2011). Exergy analysis of the energy use in Greece, Energy Policy,39(5), pp. 2475-2481, DOI:10.1016/j.enpol.2011.02.012
127. Xydis, G., Koroneos, C.J., (2011). A Linear Programming Approach for the Optimal Planning of a Future Energy System. Potential Contribution of Energy Recovery from Municipal Solid Wastes, Renewable and Sustainable Energy Reviews, 16 (1), pp. 369-378, doi: 10.1016/j.rser.2011.08.001
128. Xydis, G., Koroneos, C, Loizidou, M., (2009). Exergy analysis in a wind speed prognostic model as a Wind Farm sitting selection tool. A case study in Southern Greece, Applied Energy, 86(11), 2411-2420, DOI: 10.1016/j.apenergy.2009.03.017
129. Koroneos, C.J., Xydis, G., Polyzakis A.,(2010). The optimal use of renewable energy sources – The case of the new international ‘‘Makedonia’’ airport of Thessaloniki, Greece, Renewable and Sustainable Energy Reviews,14(6), 1622-1628, doi:10.1016/j.rser.2010.02.007
130. Xydis, G., Loizidou, M., Koroneos, C.J. (2010), Multicriteria analysis of Renewable Energy Sources (RES) utilisation in waste treatment facilities: the case of Chania prefecture, Greece,  International Journal of Environment and Waste Management, 6(1-2), 197-213, DOI:10.1504/IJEWM.2010.033993
131. Koroneos, C., Nanaki, E., & Xydis, G. (2010). Solar air conditioning systems and their applicability—An exergy approach, Resources, Conservation and Recycling, 55(1), 74-82, doi:10.1016/j.resconrec.2010.07.005
132. Xydis, G., Koroneos, C., (2009), Alternative scenarios of the utilisation of renewable energy sources in small prefectures: a case study in Lasithi Prefecture, Greece, International Journal of Global Energy Issues, 31(1), 61-87, DOI: 10.1504/IJGEI.2009.021543
133. Xydis, G., (2009). Exergy Analysis in Low Carbon Technologies – The case of Renewable energy in the Building Sector, Indoor and Built Environment, 18(5), 396-406, DOI: 10.1177/1420326X09344280
134. Xydis, G., C. Koroneos, A. Polyzakis, (2009). Energy and Exergy Analysis of the Greek Hotel Sector: An Application, Energy and buildings, 41(4), 402-406, doi:10.1016/j.enbuild.2008.11.001
135. Moustakas, K., Xydis, G., Malamis, S., Haralambous, K.-J., Loizidou, M., (2008). Analysis of results from the operation of a pilot plasma gasification/vitrification unit for optimising its performance, Journal of Hazardous Materials, 151(2-3), 473-480, doi:10.1016/j.jhazmat.2007.06.006
136. Polyzakis, A.L., Koroneos, C., Xydis, G., (2008) Optimum gas turbine cycle for combined cycle power plant, Energy conversion and management, 49(4), 551-563, doi:10.1016/j.enconman.2007.08.002
137. Xydis, G., Koroneos, C., Moropoulou, A. (2008), Energy and exergy utilisation in the Greek building sector, International journal of energy technology and policy, 6(5-6), 474-494, doi:10.1504/IJETP.2008.020736
138. Polyzakis, A.L.,  Koroneos, C.,  Xydis, G.,  Malkogianni, A., (2008). Energy analysis of Brayton combined cycles, International Journal of Exergy, 5(5-6), 652-683, doi:10.1504/IJEX.2008.020831
139. Koroneos, C.J., Xydis, G., (2005). Sustainable development of the Prefecture of Kephalonia, International journal of sustainable development, 8(4), 243-257, doi:10.1504/IJSD.2005.00957

Announcements in International Conferences

Papers/Topics Working On:

Wind Resource Assessment and Siting

Demand Response - Flexible End Users

Small scale hydrogen applications

Wind Energy Forecasting & Micrositing

Wind Energy Integration

Plant Factories as Flexible Loads

Hybrid Systems and Autonomous Grids

Environmental Conservation and Management

 

Book of Abstracts

• Koroneos, J., Xydis, G., Nanaki, E., & Rovas, D. (2012). Comparative life cycle assessment of three battery types. In Book of abstracts - SETAC 18th LCA Case Study Symposium and 4th NorLCA Symposium: Sustainability Assessment in the 21st century - Tools, Trends and Applications (pp. 54-54)  

Book

• Nanaki, E. A., Xydis, G. A., 2019, Exergetic Aspects of Renewable Energy Systems – Insights of Transportation and Energy Sector for Intelligent Communities, CRC Press, Taylor & Francis

Book Chapters (Contributing Author):

• Steeb, E. M.; Xydis, G., (2021), Direct Air Capture and Wind Curtailment. A Technology-based Business Approach for the US Market, In: David Ting, J. Stagner (Eds) “Compressed Air Energy Storage: Types, systems and applications”, IET, https://shop.theiet.org/compressed-air-energy-storage  
• Womble, M.S.; Xydis, G., (2021), Energy Storage: A Practical Solution to Increase Wind Energy Integration in the United States Electricity Sector, In: David Ting, J. Stagner (Eds) “Renewable Energy for Mitigating Climate Change”, CRC Press, https://www.routledge.com/Renewable-Energy-for-Mitigating-Climate-Change/Stagner-Ting/p/book/9780367758110 
• Wierciszewska, K. A.; Xydis, G.; (2021), How Hydrogen Can Become a Low-Risk Solution for a Climate-Neutral Denmark by 2050, Chapter 10,  In: David Ting, J. Stagner (Eds) “Climate Change and Pragmatic Engineering Mitigation”, Publisher: Jenny Stanford Publishing, https://www.jennystanford.com/9789814877978/climate-change-and-pragmatic-engineering-mitigation/   
• Baral, S.; Xydis, G., How Green Energy Giants Increase their Revenues? Impacts on Global Warming; In: David Ting, J. Stagner (Eds) “CRC Climate Change Science - Causes, Effects and Solutions for Global Warming”, Elsevier, https://www.elsevier.com/books/climate-change-science/ting/978-0-12-823767-0
• Zhang Q.; Enevoldsen P.; Xydis, G., Hybrid Renewable Energy Systems - An Emerging way for Power Generation only for Off-grid Cases or Not?. Engineering for Sustainable Development and Living: Preserving a Future for the Next Generation to Cherish, 103, http://www.brownwalker.com/book/1599426145
• Baker, J. A.; Moesby Tinggaard, M. S.; Enevoldsen, P.; Xydis, G.; (2021), Circularity in kitchen design and production business - A sustainable and disruptive model; In: David Ting, J. Stagner (Eds) “Sustainable Engineering for Life Tomorrow”, Lexington Books / Rowman & Littlefield Publishing Group, https://rowman.com/ISBN/9781793625014/Sustainable-Engineering-for-Life-Tomorrow
• Avgoustaki, D.D.; Xydis, G.; (2020), How energy innovation in indoor vertical farming can improve food security, sustainability, and food safety? In: Cohen, M. J.(ed.); Advances in Food Security and Sustainability, Volume 5, 1st Edition ISBN: 9780128207116, Academic Press, https://www.sciencedirect.com/science/article/pii/S2452263520300021?via%3Dihub
• Xydis, G.; Nanaki E.A.; (2020), Wind Resource Forecasting Error in Flat and Complex Terrains, In: Stagner J., Ting DK. (eds) Green Energy and Infrastructure. Securing a Sustainable Future; ISBN 9780367559496, October 2, 2020, CRC Press, https://www.routledge.com/Green-Energy-and-Infrastructure-Securing-a-Sustainable-Future/Stagner-Ting/p/book/9780367559496
• Nanaki E., Xydis G., Chapter: "Deployment of Renewable Energy Systems: Barriers, Challenges and Opportunities", Advances in Renewable Energies and Power Technologies. Volume 2: Geothermal and Biomass Energies, Fuel Cells, and Smart Grid, Editor: Imene Yahyaoui, Elsevier, (2018), Paperback ISBN: 9780128131855, B978-0-12-813185-5.00005-X
• Vilar, A. A.; Xydis, G.; Nanaki, E.; (2019), Chapter: “Small wind: A review of challenges and opportunities”, J. A. Stagner and D. S.-K. Ting (eds.), Sustaining Resources for Tomorrow, Green Energy and Technology, https://doi.org/10.1007/978-3-030-27676-8_10,  Springer Nature, https://www.springer.com/gp/book/9783030276751#aboutBook
• Bouris D., Koroneos C.J., Xydis G. and Nanaki E. (2009), VII Greece, in European Carbon Atlas, (Ph. Jones, P. Pinho, J. Patterson and Ch. Tweed, eds), Published by the Welsh School of Architecture, Cardiff University, UK, 75-85, Available online: http://www.lcube.eu.com/Euro_Carbon_Atlas/C23%20European%20Carbon%20Atlas.pdf

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