Research

Funded Research Projects

• “Markov decision process approaches for the profitability analysis of open-loop and closed-loop pumped hydro energy storage facilities”
  The Scientific and Technological Research Council of Turkey - 3501, National Young Researchers Career Development Program (CAREER), Principal Investigator, 2021 - 2023.

• “Markov decision processes and multi-stage stochastic programs for energy commitment decisions of a hybrid system with pumped hydro storage”
  The Scientific and Technological Research Council of Turkey - 1001, The Support Program for Scientific and Technological Research Projects, Research Associate, 2018 - 2020.

• “Modelling of pumped hydro storage systems - A case study for Turkey”
  The Scientific and Technological Research Council of Turkey - 2232, International Fellowship for Outstanding Researchers, Principal Investigator, 2014 - 2016.

Journal Papers

1. Gulin Yurter, Emre Nadar, and Ayse Selin Kocaman. The impact of pumped hydro energy storage configurations on investment planning of hybrid systems with renewables. To appear in Renewable Energy.

2. Parinaz Toufani, Ece Cigdem Karakoyun, Emre Nadar, Olav Fosso, and Ayse Selin Kocaman. Optimization of pumped hydro energy storage systems under uncertainty: A review. Journal of Energy Storage, 73, p.109306.

3. Beste Akbas, Ayse Selin Kocaman. A planar facility location–allocation problem with fixed and/or variable cost structures for rural electrification. Computers & Operations Research 154 (2023): 106202.

4. Ece Cigdem Karakoyun, Harun Avci, Ayse Selin Kocaman, and Emre Nadar. “Deviations from commitments: Markov decision process formulations for the role of energy storage.” International Journal of Production Economics 225 (2023): 108711.

5. Parinaz Toufani, Emre Nadar, and Ayse Selin Kocaman. “Short-term assessment of pumped hydro energy storage configurations: Up, down, or closed?.” Renewable Energy (2022).

6. Parinaz Toufani, Emre Nadar, and Ayse Selin Kocaman. “Operational benefit of transforming cascade hydropower stations into pumped hydro energy storage systems.” Journal of Energy Storage 51 (2022): 104444.

7. Beste Akbas, Ayse Selin Kocaman, Destenie Nock, and Philipp A. Trotter. “Rural electrification: An overview of optimization methods.” Renewable and Sustainable Energy Reviews 156 (2022): 111935.

8. Simone Fobi, Ayse Selin Kocaman, Jay Taneja, and Vijay Modi. “A scalable framework to measure the impact of spatial heterogeneity on electrification.” Energy for Sustainable Development 60 (2021): 67-81.

9. Ozlem Karsu, Ayse Selin Kocaman. “Towards the Sustainable Development Goals: A Bi-objective framework for electricity access.” Energy 216 (2021).

10. Ozlem Cavus, Ayse Selin Kocaman, Ozlem Yilmaz. “A risk-averse approach for the planning of a hybrid energy system with conventional hydropower.” Computers & Operations Research 126 (2021).

11. Ayse Selin Kocaman, Emin Ozyoruk, Shananu Taneja, and Vijay Modi. “A stochastic framework to evaluate the impact of agricultural load flexibility on the sizing of renewable energy systems.” Renewable Energy 152 (2020): 1067-1078.

12. Ayse Selin Kocaman. “Optimization of hybrid energy systems with pumped hydro storage: a case study for Turkey.” Journal of the Faculty of Engineering and Architecture of Gazi University 34, no. 1 (2019): 53-68.

13. Gizem Bolukbasi and Ayse Selin Kocaman. “A prize collecting Steiner tree approach to least cost evaluation of grid and off-grid electrification systems.” Energy 160 (2018): 536-543.

14. Onur Altintas, Busra Okten, Ozlem Karsu, and Ayse Selin Kocaman. “Bi-objective optimization of a grid-connected decentralized energy system.” International Journal of Energy Research 42, no. 2 (2018): 447-465.

15. Meltem Peker, Ayse Selin Kocaman, and Bahar Yetis Kara. “Benefits of transmission switching and energy storage in power systems with high renewable energy penetration.” Applied Energy 228 (2018): 1182-1197.

16. Meltem Peker, Ayse Selin Kocaman, and Bahar Yetis Kara. “A two-stage stochastic programming approach for reliability constrained power system expansion planning.” International Journal of Electrical Power & Energy Systems 103 (2018): 458-469.

17. Ayse Selin Kocaman, and Vijay Modi. “Value of pumped hydro storage in a hybrid energy generation and allocation system.” Applied Energy 205 (2017): 1202-1215.

18. Shengxi Yuan, Ayse Selin Kocaman, and Vijay Modi. “Benefits of forecasting and energy storage in isolated grids with large wind penetration –The case of Sao Vicente.” Renewable Energy 105 (2017): 167-174.

19. Kagan Gokbayrak, and Ayse Selin Kocaman. “A distance-limited continuous location-allocation problem for spatial planning of decentralized systems.” Computers & Operations Research 88 (2017): 15-29.

20. Ayse Selin Kocaman, Carlos Abad, Tara J. Troy, Woonghee Tim Huh, and Vijay Modi. “A stochastic model for a macroscale hybrid renewable energy system.” Renewable and Sustainable Energy Reviews 54 (2016): 688-703.

21. Aly Sanoh, Ayse Selin Kocaman, Selcuk Kocal, Shaky Sherpa, and Vijay Modi. “The economics of clean energy resource development and grid interconnection in Africa.” Renewable Energy 62 (2014): 598-609.

22. Ayse Selin Kocaman, Woonghee Tim Huh, and Vijay Modi. “Initial layout of power distribution systems for rural electrification: A heuristic algorithm for multilevel network design.” Applied Energy 96 (2012): 302-315.

23. Alex Zvoleff, Ayse Selin Kocaman, Woonghee Tim Huh, and Vijay Modi. “The impact of geography on energy infrastructure costs.” Energy Policy 37, no. 10 (2009): 4066-4078.

Peer Reviewed Conference Papers

• Jason Edwin Adkins, Vijay Modi, Shaky Sherpa, Roy Han, Ayse Selin Kocaman, Naichen Zhao, Chris Natali, Jonathan Carbajal, “A Geospatial Framework for Electrification Planning in Developing Countries” in the proceedings of the 2017 IEEE Global Humanitarian Technology Conference. 590-599, California, USA, October 19 – 22, 2017.

Thesis

• Essays on infrastructure design and planning for clean energy systems, Ph.D. Thesis, Columbia University, 2014.
  -First Place in the Production and Operations Management Society (POMS) College of Sustainable Operations Ph.D. Proposal Award Competition