[1] Pavlos Nikolaidis, and Andreas Poullikkas. "A comparative overview of hydrogen production processes." Renewable and Sustainable Energy Reviews67 (2017): 597-611.

[2] Nikolaidis P. and Poullikkas A., 2017. A comparative review of electrical energy storage systems for better sustainability. Journal of Power Technologies, 97(3), pp.220-245.

[3] P. Nikolaidis and A. Poullikkas, “Cost metrics of electrical energy storage technologies in potential power system operations,” Sustain. Energy Technol. Assessments, vol. 25, no. August 2017, pp. 43–59, 2018.

[4] P. Nikolaidis, S. Chatzis, and A. Poullikkas, “Renewable energy integration through optimal unit commitment and electricity storage in weak power networks,” Int. J. Sustain. Energy, vol. 37, no. 10, pp. 1–17, 2018.

[5] P. Nikolaidis, S. Chatzis, and A. Poullikkas, “Life cycle cost analysis of electricity storage facilities in flexible power systems,” Int. J. Sustain. Energy, vol. 0, no. 0, pp. 1–21, 2019.

[6] Nikolaidis, P., Chatzis, S., & Poullikkas, A. (2019). Optimal planning of electricity storage to minimize operating reserve requirements in an isolated island grid. Energy Systems, 1-18.

[7] Georgiou, Giorgos S., Pavlos Nikolaidis, Soteris A. Kalogirou, and Paul Christodoulides. "A Hybrid Optimization Approach for Autonomy Enhancement of Nearly-Zero-Energy Buildings Based on Battery Performance and Artificial Neural Networks." Energies 13, no. 14 (2020): 3680.

[8] Nikolaidis Pavlos, and Andreas Poullikkas. "Enhanced Lagrange relaxation for the optimal unit commitment of identical generating units." IET Generation, Transmission & Distribution 14, no. 18 (2020): 3920-3928.

[9] Nikolaidis, Pavlos, and Sotirios Chatzis. "Gaussian process-based Bayesian optimization for data-driven unit commitment." International Journal of Electrical Power & Energy Systems 130 (2021): 106930.

[10] Nikolaidis, Pavlos, and Harris Partaourides. "A Model Predictive Control for the Dynamical Forecast of Operating Reserves in Frequency Regulation Services." Forecasting 3.1 (2021): 228-241.

[11] Nikolaidis, Pavlos, and Andreas Poullikkas. "A Novel Cluster-Based Spinning Reserve Dynamic Model for Wind and PV Power Reinforcement.", Energy (2021), https://doi.org/10.1016/j.energy.2021.121270.

[12] Nikolaidis, Pavlos, and Andreas Poullikkas. "Increasing the Photovoltaic Hosting Capacity in Autonomous Grids and Microgrids via Enhanced Priority-List Schemes and Storage.", Accepted in Green Energy and Sustainability (2021).

[13] Nikolaidis, P., & Poullikkas, A. (2021). Evolutionary Priority-Based Dynamic Programming for the Adaptive Integration of Intermittent Distributed Energy Resources in Low-Inertia Power Systems. Eng, 2(4), 643-660.

[14] Nikolaidis, P., & Poullikkas, A. (2022). Co-optimization of active power curtailment, load shedding and spinning reserve deficits through hybrid approach: Comparison of electrochemical storage technologies. IET Renewable Power Generation.

[15] Nikolaidis, P., 2022. Pulsed-Supplied Water Electrolysis via Two-Switch Converter for PV Capacity Firming. Electricity, 3(1), pp.131-144.

[16] Nikolaidis, P., & Poullikkas, A. (2022). A thorough emission-cost analysis of the gradual replacement of carbon-rich fuels with carbon-free energy carriers in modern power plants: the case of Cyprus. Sustainability, 14(17), 10800.

[17] Nikolaidis, P. (2022). Wind power forecasting in distribution networks using non-parametric models and regression trees. Discover Energy, 2(1), 1-17.

[18] Nikolaidis, P., & Poullikkas, A. (2022). Optimal carbon-electricity trade-offs through the virtual power plant concept. Discover Energy, 2(1), 1-16.

[19] Nikolaidis, P. (2022). Variational Bayes to Accelerate the Lagrange Multipliers towards the Dual Optimization of Reliability and Cost in Renewable Energy Systems. Algorithms, 16(1), 20.

[20] Nikolaidis, P. (2023). Solar Energy Harnessing Technologies towards De-Carbonization: A Systematic Review of Processes and Systems. Energies, 16(17), 6153.

• Conference Papers

[21] C. A. Spanias, P. N. Nikolaidis, and I. Lestas. "Techno-Economic Analysis of the Potential Conversion of Outdated Moni Power Plant to a Large Scale Research Facility." Proceedings of the 5th International Conference on Renewable Energy Sources and Energy Efficiency, Nicosia, Cyprus, (2016): pp. 208-220.

[22] Naxakis, I., P. Nikolaidis, and E. Pyrgioti. "Performance of an installed lightning protection system in a photovoltaic park." 2016 IEEE International Conference on High Voltage Engineering and Application (ICHVE), IEEE, 2016.

[23] Georgiou, G. S., Nikolaidis, P., Lazari, L., & Christodoulides, P. (2019, September). A Genetic Algorithm Driven Linear Programming for Battery Optimal Scheduling in nearly Zero Energy Buildings. In 2019 54th International Universities Power Engineering Conference (UPEC) (pp. 1-6). IEEE.

[24] Pavlos Nikolaidis, Stelios Fotiou, Takis Kasparis, and Andreas Poullikkas. “DYNAMIC ANALYSIS OF HIGH-RESPONSE STORAGE SYSTEMS TO MINIMIZE THE GENERATION RAMPING REQUIREMENTS.” Presented at the 2020 Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion (MEDPOWER 2020).

[25] Pavlos Nikolaidis, Anastasios Antoniades, and Sotirios Chatzis. “A BAYESIAN OPTIMIZATION APPROACH FOR THE ROBUST UNIT COMMITMENT OF IDENTICAL GENERATING UNITS.” Presented at the 2020 Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion (MEDPOWER 2020).

• Book Chapters

[26] Pavlos Nikolaidis and Andreas Poullikkas, “Secondary battery technologies: a static potential for power,” in Energy Generation and Efficiency Technologies for Green Residential Buildings, 2019, pp. 191–207.

[27] Nikolaidis, Pavlos, and Andreas Poullikkas. "Sustainable Services to Enhance Flexibility in the Upcoming Smart Grids." Sustaining Resources for Tomorrow. Springer, Cham, 2020. 245-274.

[28] Nikolaidis, Pavlos. "Analysis of Green Methods to Synthesize Nanomaterials." Green Synthesis of Nanomaterials for Bioenergy Applications (2020): 125-144.

[29] Nikolaidis, Pavlos. "Sustainable Routes for Renewable Energy Carriers in Modern Energy Systems." In Bioenergy Research: Commercial Opportunities & Challenges, pp. 239-265. Springer, Singapore, 2021.

[30] Nikolaidis, P., & Poullikkas, A. (2023). Power-to-hydrogen concepts for 100% renewable and sustainable energy systems. In Hydrogen Economy (pp. 595-627). Academic Press.

[32] Nikolaidis, P., & Poullikkas, A. (2024). Battery energy storage systems: A methodical enabler of reliable power. In Advanced Materials for Battery Separators (pp. 1-33). Elsevier.