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Energy and Environment Directorate

Vishvas Chalishazar

Vishvas Chalishazar

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352
(509) 375-2747


Vishvas H. Chalishazar joined Pacific Northwest National Laboratory as a Power System Research Engineer in 2019. He received his Bachelors of Engineering (Hons.) in Electronics and Instrumentation Engineering from Birla Institute of Technology and Science (BITS), Pilani-Dubai Campus, Dubai, UAE in 2011 and his Masters of Science in the Electrical and Computer Engineering from Oregon State University (OSU), Corvallis, OR, USA in 2016 where his thesis was on Designing of Nanostructured Optical Devices for Biosensing Applications. Vishvas received his Doctors of Philosophy (Ph.D.) in Electrical and Computer Engineering from OSU in 2019 where his thesis was focused on Evaluating the Seismic Risk and Resilience of an Electrical Power System.

Research Interests

  • Power System Resilience
  • Microgrid Resilience
  • Transactive Energy Systems Program
  • Hydropower operations and its linkages with Environmental outcomes
  • Probabilistic Risk Analysis
  • Probabilistic modeling of power systems and impacts of renewable energy generation, etc.

Education and Credentials

  • B.E. (Honors), Electronics and Instrumentation Engineering, Birla Institute of Technology and Science (BITS), Pilani, Dubai-Campus, 2011
  • M.S., Electrical and Computer Engineering, Oregon State University, Corvallis, 2016
  • Ph.D., Electrical and Computer Engineering, Oregon State University, Corvallis, 2019

Affiliations and Professional Service

  • IEEE Power and Energy Society

Awards and Recognitions

  • Laurel’s Scholarship for pursuing his Masters of Science at OSU
  • Graduate Research Showcase for two consecutive years 2017 and 2018 for the most impactful researcher at the Electrical Engineering and Computer Science Department at OSU.

PNNL Publications



  • Chalishazar V.H., J.K. Westman, J.M. Deines, S. Datta, J.D. Tagestad, A. Coleman, and E.L. Barrett, et al. 2023. "Wildfire Risk Evaluation Framework for Grid Operations and Planning." In Proceedings of the IEEE Power & Energy Society General Meeting (PESGM 2023), July 16-20, 2023, Orlando, FL, 1-5. Piscataway, New Jersey:IEEE. PNNL-SA-179533. doi:10.1109/PESGM52003.2023.10252841


  • Bereta dos Reis F., P.D. Royer, V.H. Chalishazar, S.H. Davis, M.A. Elizondo, J.E. Dagle, and A. Nassif, et al. 2022. "Methodology to Calibrate Fragility Curves Using Limited Real-World Data." In IEEE Power & Energy Society General Meeting (PESGM 2022), July 17-21, 2022, Denver, CO, 01-05. Piscataway, New Jersey:IEEE. PNNL-SA-168552. doi:10.1109/PESGM48719.2022.9916809
  • Chalishazar V.H., R.A. Harnish, D. Bhatnagar, A. Somani, and B.J. Bellgraph. 2022. "Hydro-battery Hybrids - A Case for Holistic Assessment of Hybrid Energy Systems." In IEEE Electrical Energy Storage Application and Technologies Conference (EESAT 2022), November 8-9, 2022, Austin, TX, 1-5. Piscataway, New Jersey:IEEE. PNNL-SA-174725. doi:10.1109/EESAT55007.2022.9998036
  • Mahapatra K., E.L. Barrett, V.H. Chalishazar, S.H. Davis, and M.A. Elizondo. 2022. "Grid Utility Asset Vulnerability Assessment (GUAVA) Software Tool." In IEEE Power & Energy Society General Meeting (PESGM 2022), July 17-21, 2022, Denver, CO, 1-5. Piscataway, New Jersey:IEEE. PNNL-SA-168587. doi:10.1109/PESGM48719.2022.9917241
  • Roni M., T. Mosier, B. Li, S. Alam, V. Durvasulu, B. Lawson, and D. Steindorf, et al. 2022. "Hydropower Flexibility Valuation Tool for Flow Requirement Evaluation." Energy Reports 9. PNNL-SA-176968. doi:10.1016/j.egyr.2022.11.172


  • Bhattarai B.P., V.H. Chalishazar, D.J. Hammerstrom, and M. Maharjan. 2021. "Transactive Energy Systems for Distributed Blackstart and Service Recovery." IET Smart Grid 4, no. 5:489-499. PNNL-SA-157338. doi:10.1049/stg2.12022
  • Chalishazar V.H., S. Bhattacharya, S. Hanif, D. Bhatnagar, M.E. Alam, B. Robertson, and D.C. Preziuso, et al. 2021. "Data-Driven Reliability Assessment for Marine Renewable Energy Enabled Island Power Systems." In IEEE Power & Energy Society General Meeting (PESGM 2021), July 26-29, 2021, Washington DC, 1-5. Piscataway, New Jersey:IEEE. PNNL-SA-157769. doi:10.1109/PESGM46819.2021.9637995
  • Cicilio P., D. Glennon, A. Mate, A. Barnes, V.H. Chalishazar, E. Cotilla-Sanchez, and B. Vaagensmith, et al. 2021. "Resilience in an Evolving Electrical Grid." Energies 14, no. 3:694. PNNL-SA-158317. doi:10.3390/en14030694
  • Hanif S., S. Bhattacharya, V.H. Chalishazar, D. Bhatnagar, M.E. Alam, B. Robertson, and D.C. Preziuso, et al. 2021. "Storage Requirements for Grid Integration of Marine Renewable Energy - a Parametric Study." In IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT 2021), February 16-18, 2021, Washington DC, 01-05. Piscataway, New Jersey:IEEE. PNNL-SA-155924. doi:10.1109/ISGT49243.2021.9372165


  • Chalishazar V.H., T.K. Brekken, D. Johnson, K. Yu, J. Newell, K. Chin, and R. Weik, et al. 2020. "Connecting Risk and Resilience for a Power System using the Portland Hills Fault Case Study." Processes 8, no. 10:1200. PNNL-SA-153990. doi:10.3390/pr8101200
  • Vyakaranam B., P.V. Etingov, H. Wang, X. Li, M.A. Elizondo, D.V. Zarzhitsky, and N.A. Samaan, et al. 2020. "Database Management Module Framework for Dynamic Contingency Analysis and Visualization." In IEEE Power & Energy Society General Meeting (PESGM 2020), August 2-6, 2020, Montreal, Canada, 1-5. Piscataway, New Jersey:IEEE. PNNL-SA-149097. doi:10.1109/PESGM41954.2020.9281566

Energy and Environment

Core Research Areas