Interdisciplinary ICT & Energy


Bâra Adela, Simona-Vasilica Oprea, Embedding the Weather Prediction Errors (WPE) into the PV Forecasting Method using Deep Learning. Journal of Forecasting, WileyWiley2024
A. -G. Văduva, M. Munteanu, S. -V. Oprea, A. Bâra and A. -M. Niculae, Understanding Climate Change and Air Quality over the Last Decade. Evidence from News and Weather Data Processing,” in IEEE Access, doi: 10.1109/ACCESS.2023.3345466.IEEE2023
Simona-Vasilica Oprea, Bâra Adela, On-grid and Off-grid Photovoltaic Systems Forecasting using a Hybrid Meta-learning Method, Knowledge and Information SystemsSpringer2024
Bâra Adela, Simona-Vasilica Oprea, A Value Sharing Method for Heterogenous Energy Communities Archetypes, iScience, Adela Bâra, Simona-Vasilica Oprea, Volume 27, Issue 1, 2024, 108687, ISSN 2589-0042,
Bâra Adela, Simona-Vasilica Oprea, Enabling Coordination in Energy Communities: A Digital Twin Model, Volume 184, January 2024, 113910, Energy Policy,
Bâra, A., Oprea, S.-V., & Ciurea, C.-E. (2023). Improving the strategies of the market players using an AI-powered price forecast for electricity market. Technological and Economic Development of Economy, 1-26. TECH 2023
Bâra, A. and Oprea, S.V. (2023), A holistic view on business model-oriented energy communities, Kybernetes, Vol. ahead-of-print No. ahead-of-print. Publishing Limited2023
Cristescu, M.P.; Mara, D.A.; Culda, L.C.; Nerișanu, R.A.; Bâra, A.; Oprea, S.-V. The Impact of Data Science Solutions on the Company Turnover. Information 2023, 14, 573.MDPI2023

Simona-Vasilica OPREA, Adela BÂRA, Gabriela DOBRIȚA (ENE), Dragoș-Cătălin BARBU, A Horizontal Tuning Framework for Machine Learning Algorithms Using a Microservice-based Architecture, Studies in Informatics and Control, ISSN 1220-1766, vol. 32(3), pp. 31-43, 2023.,
Simona-Vasilica Oprea, Adela Bâra. A stacked ensemble forecast for photovoltaic power plants combining deterministic and stochastic methods. Applied Soft Computing, Volume 147, November 2023, Page 110781,
Bâra, Adela, Simona-Vasilica Oprea, Cristian Bucur, and Bogdan-George Tudorică. „Unraveling the Impact of Lockdowns on E-commerce: An Empirical Analysis of Google Analytics Data during 2019–2022Journal of Theoretical and Applied Electronic Commerce Research 18, no. 3: 1484-1510.
Bâra, A., Oprea, SV. & Băroiu, AC. Forecasting the Spot Market Electricity Price with a Long Short-Term Memory Model Architecture in a Disruptive Economic and Geopolitical Context. Int J Comput Intell Syst 16, 130 (2023).
Bâra, A., Oprea, SV. & Tudorică, B.G. From the East-European Regional Day-Ahead Markets to a Global Electricity Market. Computational Economics (2023).
Bâra, A., Oprea, SV. Intelligent system to optimally trade at the interference of multiple crises. Applied Intelligence (2023).
Bâra, A. and Oprea, S.-V. (2023), What makes electricity consumers change their behavior? Influence of attitude and perceived impact of DR programs on awareness, Kybernetes. Publishing Limited2023
Bâra Adela, Simona-Vasilica Oprea, and Irina Alexandra Georgescu. 2023. Understanding Electricity Price Evolution – Day-Ahead Market Competitiveness in Romania. Journal of Business Economics and Management 24 (2):221–244. GEDIMINAS TECH UNIV2023
Bâra A, Oprea S-V, Oprea N. How Fast to Avoid Carbon Emissions: A Holistic View on the RES, Storage and Non-RES Replacement in Romania. International Journal of Environmental Research and Public Health. 2023; 20(6):5115.
S. -V. Oprea, A. Bâra, A. -I. Andreescu and M. P. Cristescu, Conceptual Architecture of a Blockchain Solution for E-Voting in Elections at the University Level, in IEEE Access, doi: 10.1109/ACCESS.2023.3247964, Access2023
Oprea, S-V., Bâra, An Edge-Fog-Cloud Computing Architecture for IoT and Smart Metering Data, Peer-to-Peer Networking and ApplicationsSpringer2022
Oprea, S-V., Bâra, A., Mind the gap between PV generation and residential load curves: Maximizing the roof-top PV usage for prosumers with an IoT-based Adaptive Optimization and Control Module, Expert Systems with Applications, Volume 212, February 2023, 118828,
Oprea, S-V., Bâra, A., A measurement model for electricity Consumers’ awareness with covariance structure Analyses. A solid pillar for boosting demand response programs, Sustainable Energy Technologies and Assessments, Volume 53, Part C, October 2022, 102738,
Oprea, S-V., Bâra, A., Ciurea C.E., A novel cost-revenue allocation computation for the competitiveness of balancing responsible parties, including RES. Insights from the electricity market in Renewable Energy, Renewable Energy, Volume 199, November 2022, Pages 881-894,
Simona-Vasilica Oprea, Adela Bâra, A signaling game-optimization algorithm for residential energy communities implemented at the edge-computing side, Computers & Industrial Engineering, Volume 169, 2022, 108272, ISSN 0360-8352, Computers & Industrial Engineering 174 (2022) 108812:Elsevier2022
Simona-Vasilica Oprea, Adela Bâra, Vlad Diaconita. „A motivational local trading framework with 2-round auctioning and settlement rules embedded in smart contracts for a small citizen energy communityRenewable Energy, Volume 193, 2022, Pages 225-239, ISSN 0960-1481,
Simona-Vasilica Oprea, Adela Bâra, Cristian-Eugen Ciurea, and Laura F. Stoica. 2022. „Smart Cities and Awareness of Sustainable Communities Related to Demand Response Programs: Data Processing with First-Order and Hierarchical Confirmatory Factor AnalysesElectronics 11, no. 7: 1157.
SV Oprea, A Bara, Feature engineering solution with structured query language analytic functions in detecting electricity frauds using machine learning. Sci Rep 12, 3257.
Oprea S-V, Bâra A, V. Diaconita, C. Ceaparu, A. Ducman, Big Data Processing for Commercial Buildings and Assessing Flexibility in the Context of Citizen Energy Communities, IEEE Access, vol 9, pp 168715-168730, ISSN: 2169-3536, 2021, DOI: 10.1109/ACCESS.2021.3137352IEEE2021
Oprea S-V, Bâra A, Puican FC, Radu IC. Anomaly Detection with Machine Learning Algorithms and Big Data in Electricity Consumption. Sustainability. 2021; 13(19):10963.
Oprea, SV., Bâra, A. Machine learning classification algorithms and anomaly detection in conventional meters and Tunisian electricity consumption large datasets, Computers and Electrical Engineering, Volume 94, September 2021,
Oprea, SV., Bâra, A. Edge and fog computing using IoT for direct load optimization and control with flexibility services for citizen energy communities, Knowledge-Based Systems
Volume 228, 27 September 2021,
Oprea, SV., Bâra, A. & Ifrim, G.A. Optimizing the Electricity Consumption with a High Degree of Flexibility Using a Dynamic Tariff and Stackelberg Game. Journal of Optimization Theory and Application (2021), 190, pages 151–182,
S.V. Oprea, A. Bara, Devising a trading mechanism with a joint price adjustment for local electricity markets using blockchain. Insights for policy makers, Energy Policy, Volume 152, May 2021,
Simona Oprea, Adela Bara, Bogdan George Tudorica, Maria Irene Calinoiu, Mihai Alexandru Botezatu, Insights into Demand Side Management with Big Data Analytics in Electricity Consumers’ Behavior, Computers and Electric Engineering (Q2) – Volume 89, January 2021,
SV OPREA, A BÂRA, AI Andreescu, Two Novel Blockchain-Based Market Settlement Mechanisms Embedded into Smart Contracts for Securely Trading Renewable Energy, IEEE Access (Q1), November 2020, DOI: 10.1109/ACCESS.2020.3040764, IEEE2020
S. Teimourzadeh;O. B. Tör;M.E. Cebeci;A. Bara;S. V. Oprea;S. M. Kısakürek, Enlightening Customers on Merits of Demand-Side Load Control: A Simple-But-Efficient-Platform, IEEE Access, October 2020, DOI: 10.1109/ACCESS.2020.3032745,
Oprea, S.-V.; Bâra, A.; Bologa, R.A.; Preotescu, D.; Coroianu, L.; A Trading Simulator Model for the Wholesale Electricity Market, IEEE Access, October 2020,, DOI: 10.1109/ACCESS.2020.3029291, (Volume: 8) Page(s): 184210 – 184230IEEE2020
S.V. Oprea, Bara, A,  Ultra-short-term forecasting for photovoltaic power plants and real-time key performance indicators analysis with big data solutions. Two case studies – PV Agigea and PV Giurgiu located in Romania, Computers in Industry (Q1), Volume: 120, Article Number: 103230, DOI: 10.1016/j.compind.2020.103230, Published: September 2020, WOS:000538762600005Elsevier2020
S.V. Oprea, Bara, A, Preda, S, Tor, OB, A Smart Adaptive Switching Module Architecture Using Fuzzy Logic for an Efficient Integration of Renewable Energy Sources. A Case Study of a RES System Located in Hulubesti, Romania, Sustainability (Q2), Volume: 12, Issue: 15, Article Number: 6084, DOI: 10.3390/su12156084, Published: August 2020, WOS:000559515100001MDPI2020
S.V. Oprea, Bara, A, Tudorica, BG, Dobrita, G, Sustainable Development with Smart Meter Data Analytics Using NoSQL and Self-Organizing Maps, Sustainability (Q2), Volume: 12, Issue: 8, Article Number: 3442, DOI: 10.3390/su12083442, Published: April 2020, WOS:000535598700375MDPI2020
Tor, OB, Cebeci, ME, Koc, M, Teimourzadeh, S,  Atli, D, S.V. Oprea, Bara, A, Peak shaving and technical loss minimization in distribution grids: a time-of-use-based pricing approach for distribution service tariffs, Turkish Journal of Electrical Engineering and Computer Sciences, Volume: 28, Issue: 3, Pages: 1386-1404, DOI: 10.3906/elk-1907-30, Published: 2020, WOS:000532359500014TUBITAK2020
S.V. Oprea, Bara, A, Setting the Time-of-Use Tariff Rates With NoSQL and Machine Learning to a Sustainable Environment, IEEE ACCESS (Q1), Volume: 8, Pages: 25521-25530, DOI: 10.1109/ACCESS.2020.2969728, Published: 2020, WOS:000524658400002IEEE2020
Cebeci, ME, Tor, OB, Oprea, SV, Bara, A, Consecutive Market and Network Simulations to Optimize Investment and Operational Decisions Under Different RES Penetration Scenarios, IEEE Transactions on Sustainable Energy (Q1), Volume: 10, Issue: 4, Pages: 2152-2162, DOI: 10.1109/TSTE.2018.2881036, Published: October 2019, WOS:000487199700050IEEE2019
Oprea, SV, Bara, A, Ifrim, GA, Coroianu, L, Day-ahead electricity consumption optimization algorithms for smart homes, Computers & Industrial Engineering (Q1), Volume: 135, Pages: 382-401, DOI: 10.1016/j.cie.2019.06.023, Published: September 2019, WOS:000482244100030Elsevier2019
Teimourzadeh, S, Tor, OB, Cebeci, ME, Bara, A, Oprea, SV, A three-stage approach for resilience-constrained scheduling of networked microgrids, Journal of Modern Power Systems and Clean Energy (Q2), Volume: 7, Issue: 4, Pages: 705-715, DOI: 10.1007/s40565-019-0555-0, Published: July 2019, WOS:000477895600005Springer2019
Oprea, SV, Bara, A, Machine Learning Algorithms for Short-Term Load Forecast in Residential Buildings Using Smart Meters, Sensors and Big Data Solutions, IEEE Access (Q1), Volume: 7, Pages: 177874-177889, DOI: 10.1109/ACCESS.2019.2958383, Published: 2019, WOS:000509483800046MDPI2019
Oprea, SV, Bara, A, Preotescu, D, Elefterescu, L , Photovoltaic Power Plants (PV-PP) Reliability Indicators for Improving Operation and Maintenance Activities. A Case Study of PV-PP Agigea Located in Romania, IEEE Access (Q1), Volume: 7, Pages: 39142-39157, DOI: 10.1109/ACCESS.2019.2907098, Published: 2019, WOS:000464212600001IEEE2019
Oprea, SV, Bara, A, Diaconita, V, Sliding Time Window Electricity Consumption Optimization Algorithm for Communities in the Context of Big Data Processing, IEEE Access (Q1), Volume: 7, Pages: 13050-13067, DOI: 10.1109/ACCESS.2019.2892902, Published: 2019,  WOS:000458177800075IEEE2019
Preda, S, Oprea, SV, Bara, A, Belciu, A, PV Forecasting Using Support Vector Machine Learning in a Big Data Analytics Context, Symmetry-Basel (Q2), Volume: 10, Issue: 12, Article Number: 748, DOI: 10.3390/sym10120748, Published: December 2018, WOS:000454725100086MDPI2018
S.V. Oprea, A.Bâra, A.Uță, A. Pîrjan, G. Căruțașu, Analyses of Distributed Generation and Storage Effect on the Electricity Consumption Curve in the Smart Grid Context, Sustainability (Q2) 2018, 10, 2264; doi:10.3390/su10072264, MDPI, 2017, IF 2,075, AIS 0,322 (2017), WOS:000440947600155MDPI2018
S.V. Oprea, A. Bâra, G.Ifrim, Flattening the electricity consumption peak and reducing the electricity payment for residential consumers in the context of smart grid by means of shifting optimization algorithm, Elsevier Computers & Industrial Engineering (Q1), Volume 122, August 2018, Pages 125-139, Elsevier,, IF 3.195, AIS 0,770 (2017), WOS:000438478700008Elsevier2018
S.V. Oprea, A.Bâra, G. Majstrovic, Aspects Referring Wind Energy Integration from the Power System Point of View in the Region of Southeast Europe. Study Case of Romania, Energies, 2018, 11, 251; doi:10.3390/en11010251, 2018, IF 2,676, AIS 0,468 (2017), WOS:000424397600250MDPI2018
S.V. Oprea, A. Pîrjan, G. Căruțașu, D.M. Petroșanu, A. Bâra, J.L. Stănică, C. Coculescu, Developing a Mixed Neural Network Approach to Forecast the Residential Electricity Consumption Based on Sensor Recorded Data, Sensors, 2018, 18, 1443; doi:10.3390/s18051443, 2018, IF 2,475, AIS 0,554 (2017), WOS:000435580300142MDPI2017
S.V. Oprea, A.Bâra, A. Reveiu, Informatics Solution for Energy Efficiency Improvement and Consumption Management of Householders, Energies, 2018, 11, 138; doi:10.3390/en11010138, 2018, IF 2,676, AIS 0,468 (2017), WOS:000424397600138MDPI2017
S.V. Oprea, A.Bâra, Analyses of Wind and Photovoltaic Energy Integration from the Promoting Scheme Point of View: Study Case of Romania, Energies, 2017, 10, 2101; doi:10.3390/en10122101, 2017, IF 2,676, AIS 0,468 (2017),  WOS:000423156900172MDPI2017
A. Pîrjan, S.V. Oprea, G. Căruțașu, D.M. Petroșanu, A. Bâra, C. Coculescu, Devising Hourly Forecasting Solutions Regarding Electricity Consumption in the Case of Commercial Center Type Consumers, Energies, 2017, 10(11), 1727; (doi:10.3390/en10111727); ISSN: 1996-1073, SRI: 0.498; IF: 2.707 (2016), WOS:000417046500046MDPI2017
S.V. Oprea, A.Bâra, M. Cebeci, O.B. Tor, Promoting peak shaving while minimizing electricity consumption payment for residential consumers by using storage devices, TURKISH JOURNAL OF ELECTRICAL ENGINEERING & COMPUTER SCIENCES, Turk J Elec Eng & Comp Sci, E-ISSN: 1303-6203 ISSN: 1300-0632, DOI: 10.3906/elk-1606-152, 2017, SRI: 0.119; IF:0.766 (2016), WOS:000412571400019TUBITAK2017
I.Lungu, A.Bâra, G.Căruțașu, A.Pîrjan, S.V. Oprea, Prediction intelligent system in the field of renewable energies through neural networks, Economic Computation and Economic Cybernetics Studies and Research, nr.1/2016, ISSN 0424-267X, factor impact 0.406, SRI: 0.029; WOS:000372478800005EcoCyb2016
I. Lungu, G. Căruţaşu, A. Pîrjan, S.V. Oprea, A. Bâra, A two-step forecasting solution and upscaling technique for small size wind farms located on hilly terrain in Romania, Studies in Informatics and Control Journal, vol 25/issue 1, 2016, ISSN 1220-1766, factor impact 0.913, SRI 0.170; WOS:000372945700009SIC-ICI2016
A. Bâra, I. Lungu, S.V. Oprea, I. Botha, A. Chinie, Model assumptions for efficiency of wind power plants’ operation, Economic Computation and Economic Cybernetics Studies and Research, nr. 4/2014, ISSN 0424-267X, factor impact 0.406, SRI: 0.029; WOS:000346684700007EcoCyb2014

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