Rolandas Urbonas

Laboratory of Nuclear Installation Safety (17)
Senior Research Associate
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Scientific article


Vonžudaitė O. [LEI], Martišauskas L. [LEI], Bakas R. [LEI], Urbonienė S., Urbonas R. [LEI]. Optimization of Heat Pump Systems in Buildings by Minimizing Costs and CO2 Emissions In: Applied Sciences. Basel: MDPI, 2023, Vol. 13, Iss. 8, 4864, p. 1-24. ISSN 2076-3417.


Martišauskas L. [LEI], Augutis J., Krikštolaitis R. [LEI], Urbonas R. [LEI], Šarūnienė I. [LEI], Kopustinskas V.. A Framework to Assess the Resilience of Energy Systems Based on Quantitative Indicators In: Energies. Basel: MDPI, 2022, Vol. 15, Iss. 11, 4040, p. 1-25. Scopus. ISSN 1996-1073.


Aleksiejuk-Gawron J., Milčiuvienė S., Kiršienė J., Doheijo E., Garzon D., Urbonas R. [LEI], Milčius D. [LEI]. Net-Metering Compared to Battery-Based Electricity Storage in a Single-Case PV Application Study Considering the Lithuanian Context In: Energies. MDPI, 2020, Vol. 13, No. 9, 2286, p. 1-5. ISSN 1996-1073.
Augutis J. [LEI], Krikštolaitis R. [LEI], Martišauskas L. [LEI], Urbonienė S., Urbonas R. [LEI], Ušpurienė A. B.. Analysis of energy security level in the Baltic States based on indicator approach In: Energy. Elsevier, 2020, Vol. 199, 117427, p. 1-13. ISSN 0360-5442.


Milčiuvienė S., Kiršienė J., Doheijo E., Urbonas R. [LEI], Milčius D. [LEI]. The Role of Renewable Energy Prosumers in Implementing Energy Justice Theory In: Sustainability. Basel, Switzerland: MDPI, 2019, Vol. 11, 5286, p. 1-16. ISSN 2071-1050.


Augutis J. [LEI], Matuzienė V. [LEI], Urbonas R. [LEI]. Probabilistic energy security analysis for development of the energy system In: Energy Sources, Part B: Economics, Planning, and Policy. Taylor & Francis Group, 2016, Vol. 11, No. 2, p. 118-123. ISSN 1556-7249.
Augutis J. [LEI], Jokšas B. [LEI], Krikštolaitis R. [LEI], Urbonas R. [LEI]. The assessment technology of energy critical infrastructure In: Applied energy. Didžioji Britanija: Elsevier, 2016, Vol. 162, p. 1494-1504. ISSN 0306-2619.


Augutis J. [LEI], Jokšas B. [LEI], Ušpuras E. [LEI], Urbonas R. [LEI]. The aggregate energy sector criticality risk assessment In: Journal of Polish Safety and Reliability Association. Poland, Wroclaw: 2015, Vol. 6, No. 3, p. 61-69. ISSN 2084-5316.


Urbonas R. [LEI], Kaliatka A. [LEI], Kopustinskas V. [LEI]. Comparative sensitivity study of the RBMK-1500 reactor one group distribution header blockage accident model In: Nuclear Engineering and Design. 2010, Vol. 240, Iss. 10, p. 3238-3247. ISSN 0029-5493.


Cadini F., Zio E., Kopustinskas V. [LEI], Urbonas R. [LEI]. A model based on bootstrapped neural networks for computing the maximum fuel cladding temperature in an RBMK-1500 nuclear reactor accident In: Nuclear Engineering and Design. 2008, Vol. 238, Iss. 9, p. 2165-2172. ISSN 0029-5493.

Conference paper


Urbonas R. [LEI]. Moksliniai tyrimai ir inovacijos CŠT sektoriuje Europos Komisijos programų perspektyvoje In: Konferencija ŠILUMOS ENERGETIKA – 2024. Kaunas: Kauno technologijos universitetas (KTU), Lietuvos energetikos institutu (LEI), Lietuvos šilumos tiekėjų asociacija (LŠTA), Lietuvos termoinžinerijos asociacija (LTERA), 2024, p. 1-22..


Vonžudaitė O. [LEI], Martišauskas L. [LEI], Urbonienė S., Urbonas R. [LEI], Bakas R. [LEI]. Šildymo sistemų optimizavimas pastatuose siekiant mažinti išlaidas ir CO2 emisijų kiekį In: 64-oji Lietuvos matematikų draugijos konferencija . Vilnius: Lietuvos Matematikų Draugija, 2023, p. 54-54..


Vonžudaitė O. [LEI], Urbonas R. [LEI], Bakas R. [LEI], Martišauskas L. [LEI], Urbonienė S.. Energy consumption analysis in buildings In: CYSENI 2022: 18th international conference of young scientists on energy and natural sciences issues, 24-27 May 2022, Kaunas, Lithuania. Kaunas: Lithuanian Energy Institute, 2022, p. 165-168. ISSN 2783-6339.


Tamošiūnas A. [LEI], Skvorčinskienė R. [LEI], Striūgas N. [LEI], Urbonas R. [LEI], Mergner R., Ball I., Janssen R., Rutz D., Pažėraitė A. [LEI], Genys D., Fendt S., Bastek S., Seemann M.. Twinning For Promoting Excellence, Ability and Knowledge to Develop Advanced Waste Gasification Solutions In: European Biomass Conference and Exhibition Proceedings. Florence: EUBIA-European Biomass Industry Association, 2021, p. 1396-1399. Scopus. ISSN 2282-5819, eISSN 978-88-89407-21-9.


Augutis J. [LEI], Jokšas B. [LEI], Ušpuras E. [LEI], Urbonas R. [LEI]. The aggregate energy sector criticality risk assessment In: Proceedings of the 48th ESReDA Seminar Critical Infrastructures Preparedness: Status of Data for Resilience Modelling, Simulation and Analysis. Wroclaw, Poland: 2015, p. 1-12..

Popular science article


Augutis J. [LEI], Babilas E. [LEI], Dundulis G. [LEI], Kaliatka A. [LEI], Kaliatka T. [LEI], Krikštolaitis R. [LEI], Martišauskas L. [LEI], Rimkevičius S. [LEI], Pabarčius R. [LEI], Povilaitis M. [LEI], Stankūnas G. [LEI], Urbonas R. [LEI], Urbonavičius E. [LEI]. Scientific inheritance of Eugenijus Ušpuras In: Kerntechnik. Munchen: Carl Hanser Verlag, 2020, Vol. 85, Iss. 2, p. 72-81. ISSN 0932-3902.
Rimkevičius S. [LEI], Kaliatka A. [LEI], Urbonas R. [LEI]. In memoriam of Eugenijus Ušpuras (1955–2019) In: Nuclear Engineering and Design. Lausanne: Elsevier, 2020, Vol. 361, 110628, p. 1. ISSN 0029-5493.


Mutule A., Antoskova I., Lazdinis R., Urbonas R. [LEI]. Facilitating research and innovation for energy transition In: Energetika (Kronika). 2019, Vol. 65, No. 4, p. 1-7. ISSN 0235-7208.

International projects

Horizon Europe


The overarching aim of RE-WITCH is to deliver cost-competitive, game-changing solutions in the field of sustainable industrial cooling and heating. To do so, RE-WITCH will demonstrateMore


REEFLEX aims to generate niches of opportunities for new cross-sector energy services provided by SMEs and start-ups in demand side flexibility markets and to increase participation oMore

Digital Europe


The EDIH4IAE.LT will enable Agro-food, Energy and Industry businesses and Public Authorities in Western and Central region of Lithuania to integrate environmental, digital, and soMore

Horizon 2020


Twinning for Promoting Excellence, Ability and Knowledge to develop advanced waste gasification Solutions (TWIN-PEAKS). The Lithuanian Energy Institute (LEI) and Vytautas Magnus UnMore

RenOnBill project logo

Context: In order to achieve the European Commission’s long-term energy vision for 2050, it is necessary to dramatically increase the yearly buildings renovation rate, i.e. from thMore

iDistributedPV project logo

The aim of the project "Solar PV on the Distribution Grid: Smart Integrated Solutions of Distributed Generation based on Solar PV, Energy Storage Devices and Active Demand Management"More

EnergyKeeper logo thumbnail

The overall aim of the EnergyKeeper project is to design, develop and test a novel, scalable, sustainable and cost competitive flow battery based on organic redox active materials. More


The region of the European Union around the Baltic sea especially the countries Estonia, Latvia and Lithuania are not adequately integrated to the European electricity grid. At the enMore

Seventh Framework Programme (FP7)


The SECURE project will build a comprehensive framework that considers all the issues related to the topic of security of supply, including geopolitics, price formation and the economMore


Based on thorough integrated climate planning the READY project will demonstrate a Whole City Approach including: 1) Demo of a balanced and holistic approach towards affordable retrofMore


The ARCADIA project has been conceived so as to provide a twofold support to the further development of nuclear research programs in the NMS, targeting two major areas included in theMore


The project aims to enhance existing product and process design systems with features that will enable engineers to: design single discrete manufacturing processes in the optimalMore


Today, about 80% of all energy produced comes from the fossil fuel (oil, carbon, and natural gas). European scientists are developing environmentally friendly, safe, and renewable eneMore

Sixth Framework Programme (FP6)


Project Energy Sector Innovation – Financial Network (EIFN) was funded under 6th Framework Programme. This was one of the networks, funded under INNOVA initiative. Project was performMore


The overall objective of the project is to facilitate the participation of the Associated Candidate Countries (ACC) in Priority 6.1 of the 6th Framework Programme and a good start in More

LIFE Programme


LIFE22-CET-Low2HighDH is a 3-year project supporting 30 high temperature district heating sites (HT DHC) in Lithuania, Poland, and Slovakia in the implementation process of low-gradeMore

Baltic Research Programme

EEA Grants logo thumbnail

The project seeks to develop specialized concrete for the long-term storage of hazardous waste, which can be immobilized in concrete containers or directly in the concrete mass. DeMore



The SHERLOCK project aims to boost innovation at European level by designing and implementing an original and advanced educational framework based on microcredentials for upskilling tMore

Intelligent Energy Europe


The project was set-up to lay the ground for an extended use of decentralised and sustainable energy actions of the European Cohesion Programmes after 2006. Starting from the favourabMore

Other international projects


Development of a framework to assess resilience of energy systems by quantitative indicators Commissioned by the EC Joint Research Center.More