Overview
Personal Profile
Andy Hoke is a senior engineer with expertise in grid integration of power electronics and inverter-based renewable and distributed energy. His work includes advanced inverter controls design, hardware-in-the-loop testing and model development, power systems modeling and simulation, and standards development. He is the chair of Institute of Electrical and Electronics Engineers (IEEE) Standards 1547.1 and P2800.2, which contain the test and verification procedures to ensure distributed energy resources and inverter-based resources conform to the grid interconnection requirements of IEEE Standards 1547 and P2800, respectively. He is a registered professional engineer in the State of Colorado.
Research Interests
Transient and dynamic modeling of power systems with very high levels of inverter-based resources, including grid-following and grid-forming inverters
Control of inverter-based resources for grid integration
Laboratory testing of inverter-based resources including power hardware-in-the-loop at small and large scale
Standards development for grid integration and interconnection of distributed and inverter-based resources connected to distribution systems and to the bulk power system
Professional Experience
Guest Editor, IEEE Electrification Magazine Special Issue on Island Power System Stability (2022)
Chair, Hawaiian Electric Integrated Grid Planning Technical Advisory Panel (2021–Present)
Education/Academic Qualification
Bachelor, Engineering Physics, Dartmouth College
Master, Electrical Engineering, University of Colorado Boulder
PhD, Electrical Engineering, University of Colorado Boulder
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Collaborations and Top Research Areas From the Past 5 Years
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Analysis of Line Distance Elements for Various Ibr Controllers and System Conditions: Article No. 112370
Pinheiro, P., Franca, B., Lopes, Y., Chakraborty, S., Bainy, R., Lei, H., Johnson, B., Manson, S., Wang, J., Mahmud, R., Hoke, A. & Kruse, C., 2026, In: Electric Power Systems Research. 252, 7 p.Research output: Contribution to journal › Article › peer-review
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Stability-Augmented Optimal Control of Hybrid PV Plants with Very High Penetration of Inverter-Based Resources (SAPPHIRE)
Tan, J., Dong, S., Peng, J., Hoke, A., Gao, N., Sun, H., Zhou, X., Koralewicz, P., Mendiola, E., Liu, Y., Jia, X., Yin, H., Jiang, Z., Li, H., Zhao, Y., Lu, X., Ding, L., Fang, X., Deng, Y. & Rockwell, B. & 15 others, , 2026, 90 p.Research output: NLR › Technical Report
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A Comprehensive Study of the Impact of Inverter-Based Resource (IBR) Modeling and Control on Protection Relay Elements
Wang, J., Pinheiro, P. H., Chakraborty, S., Johnson, B., Goncalves Bainy, R. & Hoke, A., 2025, 145 p.Research output: NLR › Technical Report
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A Generic and Multifunctional Electromagnetic Transient Model for Grid-Following Inverters
Chakraborty, S., Wang, J., Mahmud, R., Hoke, A., Johnson, B., Bainy, R. & Lei, H., 2025, 22 p.Research output: NLR › Presentation
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Analysis of 1 Hz Oscillations Induced by Grid-Forming Plant in Kaua'i Power System
Dong, S., Tan, J., Ding, L., Lu, X., Kruse, C., Rockwell, B., Hoke, A. & Kroposki, B., 2025. 8 p.Research output: Contribution to conference › Paper
Activities
- 6 Membership of network
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IEEE 1547.1-2020: Standard Conformance Test Procedures for Equipment Interconnecting Distributed Energy Resources with Electric Power Systems and Associated Interfaces (External organization)
Hoke, A. (Chair)
2020Activity: Membership › Membership of network
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IEEE P2800.2: Recommended Practice for Test and Verification Procedures for Inverter-based Resources Interconnecting with Bulk Power Systems (External organization)
Hoke, A. (Chair)
0001Activity: Membership › Membership of network
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IEEE Power and Energy Society (External organization)
Sahu, A. (Member), Hoke, A. (Member), Solanki, B. (Member), Palmintier, B. (Member), Saleem, D. (Member), Comden, J. (Member), Panda, K. (Member), Panwar, M. (Member), Koralewicz, P. (Member), Dhulipala, S. C. (Member), Paul, S. (Member), Singh, V. K. (Member), Wang, W. (Member), Wright, J. (Member), Kiboma, L. (Member), Poudyal, A. (Member), Thiagarajan, R. (Member), Lara Aguilar, J. D. (Member), Kumar, U. (Member), Chen, Y. (Member), Ucer, E. (Member), Venkataramanan, V. (Member), Joshi, P. (Member) & Brodt-Giles, D. (Member)
0001Activity: Membership › Membership of network
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IEEE Power Electronics Society (External organization)
Hoke, A. (Member) & Pawaskar, V. (Member)
0001Activity: Membership › Membership of network
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IEEE Standards Association (External organization)
Hoke, A. (Member) & Saleem, D. (Member)
0001Activity: Membership › Membership of network
Awards and Honors
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IEEE Power and Energy Society General Meeting Best Conference Paper Award
Hoke, A. (Recipient), 2017
Prize: Honorary award
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IEEE Power and Energy Society General Meeting Best Conference Paper Award
Hoke, A. (Recipient), 2015
Prize: Honorary award
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NREL President’s Award
Meintz, A. (Recipient), Hoke, A. (Recipient) & Hudgins, A. (Recipient), 2017
Prize: Honorary award