Overview
Personal Profile
Bethany Frew is the Group Manager of the Capacity Expansion & Electricity Markets Group in the Grid Planning and Analysis Center, where she also oversees a team of power system modelers focused on capacity expansion, resource adequacy, and wholesale electricity market design.
Research Interests
Impact of wholesale electricity market structures on investment decisions and resource adequacy
Economic and operational impacts of nuclear-hydrogen hybridization
Capacity credit methodologies
Operational considerations with large shares of variable renewable energy resources
Professional Experience
Research/Teaching Assistant, Stanford University (2007–2014)
Research Intern, Battelle Memorial Institute (2006–2007)
Research Assistant, The Ohio State University (2004–2005)
Education/Academic Qualification
PhD, Civil and Environmental Engineering, Stanford University
Master, Civil and Environmental Engineering, Stanford University
Bachelor, Food, Agricultural, and Biological Engineering, The Ohio State University
Fingerprint
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Collaborations and Top Research Areas From the Past 5 Years
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Electric Grid Reliability in an Era of Unprecedented Uncertainty: A Review of Advances in Electric Sector Resource Adequacy Assessment and Planning
Mantegna, G., Huang, Z., Van Caelenberg, G., Frew, B., Lynch, M. & O'Malley, M., 2026, In: IEEE Transactions on Energy Markets, Policy and Regulation. 4, 1, p. 1-9 9 p.Research output: Contribution to journal › Article › peer-review
1 Scopus Citations -
Electric Grid Reliability in an Era of Unprecedented Uncertainty: A Review of Advances in Electric Sector Resource Adequacy Assessment and Planning
Mantegna, G., Huang, Z., Van Caelenberg, G., Frew, B., Lynch, M. & O'Malley, M., 2026, In: IEEE Transactions on Energy Markets, Policy and Regulation. 4, 1, p. 1-9 9 p.Research output: Contribution to journal › Article › peer-review
1 Scopus Citations -
Long-Duration Energy Storage Grid Integration-Valuation Framework and Incentive Gaps
Chen, Y., Estreich, E., Ayad, A., Frew, B., Levin, T., Botterud, A., Zhou, Z. & Nguyen, T. A., 2025, 41 p.Research output: NLR › Technical Report
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NREL's Electricity Markets Investment Suite (EMIS)
Frew, B., 2025, 30 p.Research output: NLR › Presentation
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Synergies and Trade-Offs Between Storage, Transmission, and Sector Coupling in High Renewable Energy Systems: Article No. 137701
Yamujala, S., Koivisto, M., Korpas, M., McPherson, M., Helisto, N., Lew, D., Tejada-Arango, D., Morales-Espana, G., Flynn, D., Frew, B., Heggarty, T., Kiviluoma, J. & Holttinen, H., 2025, In: Energy. 334, 19 p.Research output: Contribution to journal › Article › peer-review
4 Scopus Citations
Awards and Honors
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NREL Distinguished Member of Research Staff
Anderson, K. (Recipient), Donohoe, B. (Recipient), Frew, B. (Recipient), Jonkman, J. (Recipient), Narumanchi, S. (Recipient) & Silverman, T. (Recipient), 2024
Prize: Honorary award