PUBLICATION

In Preparation / Under Review

[7] Smart LED Lighting Control Systems as Fast-Acting Flexibility Resources in Demand Response Markets: A Comprehensive Global Review and Comparative Case Study

- Authors : S.W. Choi and H.P. Lee*
- Journal : Renewable and Sustainable Energy Reviews
- Status : In preparation
- Online : DOI:
- Journal Metrics : SCIE, IF 18.0, Top 5% in JCR 2025

[6] Deep Reinforcement Learning for Dynamic Operating Envelope Estimation of Aggregated Distributed Energy Resources

- Authors : S.W. Choi and H.P. Lee*
- Journal : Applied Energy
- Status : In preparation
- Online : DOI:
- Journal Metrics : SCIE, IF 12.2, Top 10% in JCR 2025

[5] Physics-Informed Dual-Graph Spatio-Temporal Graph Transformer for Anomaly Detection

- Authors : H.J. Choi, S.W. Choi, and H.P. Lee*
- Journal : Sustainability
- Status : In preparation
- Online : DOI:
- Journal Metrics : SCIE, IF 4.1, Q2 in JCR 2025

[4] Virtual Metering-Based Voltage Inference for PV Hosting Capacity Assessment in Low-Voltage Distribution Networks

- Authors : J.S. Hwang, J.H. Park, S.W. Ok, S.W. Choi, and H.P. Lee*
- Journal : Applied Energy
- Status : In preparation
- Online : DOI:
- Journal Metrics : SCIE, IF 12.2, Top 10% in JCR 2025

[3] Feeder-Level Dynamic Operating Envelopes for Distributed Energy Resources under Multimodal Forecast Uncertainty

- Authors : S.W. Choi, S.H. Hong, and H.P. Lee*
- Journal : Applied Energy
- Status : In preparation
- Online : DOI:
- Journal Metrics : SCIE, IF 12.2, Top 10% in JCR 2025

[2] Threshold-Free Zero-Shot Anomaly Detection in Smart Meter Time-Series: Why Calibration, Not Accuracy, Decides What Deploys

- Authors : H.P. Lee*
- Journal : Sustainable Energy, Grids and Networks
- Status : Under Review (2026)
- Online : DOI:
- Journal Metrics : SCIE, IF 5.6, Top 20% in JCR 2025

[1] Data-Driven Robust Customer Rephasing for Voltage Unbalance Mitigation and Hosting Capacity Enhancement in Unbalanced Distribution Feeders

- Authors : H.P. Lee*
- Journal : IEEE Transactions on Smart Grid
- Status : Under Review (2026)
- Online : DOI:
- Journal Metrics : SCIE, IF 10.1, Top 5% in JCR 2025

Journal Papers (corresponding author*)

[10] A Comprehensive Review of Global Advanced Metering Infrastructure Cost-Benefit Evidence and a Data-Integration Framework for Master-Metered High-Voltage Apartment Complexes

- Authors : J.H. Han and H.P. Lee*
- Journal : Applied Energy
- Status : Accepted (Oct. 2026)
- Online : DOI: 10.1016/j.apenergy.2026.129037
- Journal Metrics : SCIE, IF 12.2, Q1 Top 10% in JCR 2025

[9] Secondary Distribution Network Parameter Estimation Under Incomplete Smart Meter Data

- Authors : S.W. Choi and H.P. Lee*
- Journal : IEEE Access
- Status : Accepted (Aug. 2026)
- Online : DOI: 10.1109/ACCESS.2026.3721918
- Journal Metrics : SCIE, IF 3.6, Q2 in JCR 2025

[8] Sensor-Limited Critical-Bus Voltage Forecasting for Virtual Metering in DER-Rich Distribution Networks

- Authors : G.S. Noh and H.P. Lee*
- Journal : IEEE Access
- Status : Accepted (July. 2026)
- Online : DOI: 10.1109/ACCESS.2026.3717298
- Journal Metrics : SCIE, IF 3.6, Q2 in JCR 2025

[7] Optimizing Smart Meter Data Acquisition for Residential Load Forecasting Minimum Requirements for Interval, Precision, and Historical Duration

- Authors : H.P. Lee*
- Journal : Sustainable Energy, Grids and Networks
- Status : Accepted (Apr. 2026)
- Online : Available at DOI: 10.1016/j.segan.2026.102284
- Journal Metrics : SCIE, IF 5.6, Q1 Top 20% in JCR 2025

[6] Integrating Distributed Energy Resources in Power Distribution Systems: A Comprehensive Review of Impacts, Challenges, and Opportunities from a Distribution System Operator's Perspective

- Authors : H.P. Lee*
- Journal : Applied Energy
- Status : Accepted (Jan. 2026)
- Online : DOI: 10.1016/j.apenergy.2025.127052
- Journal Metrics : SCIE, IF 11.0, Q1 Top 10% in JCR 2025

[5] An Iterative Bidirectional Gradient Boosting Approach for CVR Baseline Estimation

- Authors : H.P. Lee, Y. Li, L. Song, D. Wu, and N. Lu*
- Journal : Applied Energy
- Status : Accepted (Sep. 2024)
- Online : DOI: 10.1016/j.apenergy.2024.123456
- Journal Metrics : SCIE, IF 11.2, Q1 Top 10% in JCR 2023

[4] A Novel Power-Band based Data Segmentation Method for Enhancing Meter Phase and Transformer-Meter Pairing Identification

- Authors : H.P. Lee, PJ Rehm, Matthew Makdad, Edmond Miller, and Ning Lu*
- Journal : IEEE Transactions on Power Delivery
- Status : Accepted (May. 2024)
- Online : DOI: 10.1109/TPWRD.2024.3402263
- Journal Metrics : SCIE, IF 3.7, Q2 in JCR 2023

[3] Adopting Dynamic VAR Compensators to Mitigate PV Impacts on Unbalanced Distribution Systems

- Authors : H.P. Lee, Keith Dsouza, Ke Chen, Ning Lu, and Mesut E. Baran*
- Journal : IEEE Access
- Status : Accepted (Sep. 2023)
- Online : DOI: 10.1109/ACCESS.2023.3315601
- Journal Metrics : SCIE, IF 3.6, Q2 in JCR 2022

[2] MultiLoad-GAN: A GAN-Based Synthetic Load Group Generation Method Considering Spatial-Temporal Correlations

- Authors : Hu, Yi, Li, Yiyan, Song, Lidong, H.P. Lee, Rehm, PJ, Makdad, Matthew, Miller, Edmond and Lu, Ning*
- Journal : IEEE Transactions on Smart Grid
- Status : Accepted (Aug. 2023)
- Online : DOI: 10.1109/TSG.2023.3302192
- Journal Metrics : SCIE, IF 9.8, Q1 Top 10% in JCR 2022

[1] Load Profile Inpainting for Missing Load Data Restoration and Baseline Estimation

- Authors : Y. Li, L. Song, Y. Hu, H.P. Lee, D. Wu, PJ. Rehm, and N. Lu*
- Journal : IEEE Transactions on Smart Grid
- Status : Accepted (July. 2023)
- Online : DOI: 10.1109/TSG.2023.3293188
- Journal Metrics : SCIE, IF 9.8, Q1 Top 10% in JCR 2022

Conference Proceedings (**presenter)

[9] A Surrogate-Based Framework for PV Hosting Capacity Estimation in Low-Voltage Distribution Networks

- Authors : **J.S. Hwang, J.H. Park, S.W. Ok, S.W. Choi, and H.P. Lee*
- Journal : CIRED 2026 Seoul Workshop
- Status : Accepted (2026)
- Online : Available at

[8] A Hybrid Deterministic-Probabilistic Approach for Distribution System Parameter Estimation with Limited Reactive Power Data

- Authors : **S.W. Choi, G.W. Choi, and H.P. Lee*
- Journal : CIRED 2026 Seoul Workshop
- Status : Accepted (2026)
- Online : Available at

[7] Dual-Graph ST-GAT for Cyber-Physical Anomaly Detection in DER-Rich Distribution Feeders

- Authors : H.J. Choi, S.W. Choi, and **H.P. Lee*
- Journal : CIRED 2026 Seoul Workshop
- Status : Accepted (2026)
- Online : Available at

[6] Deep Reinforcement Learning-Based Bottom-Up Black-Start and Restoration of Distribution Networks Using DERs and Dynamically Formed Microgrids

- Authors : **S.W. Choi and H.P. Lee*
- Journal : KIEE Summer Annual Conference
- Status : Accepted (2026)
- Online : Available at link

[5] Design Considerations of a Coordinative Demand Charge Mitigation Strategy

- Authors : **R. Hu, K. Ye, H.J. Kim, H.P. Lee, N. Lu*, D. Wu, and PJ. Rehm
- Journal : IEEE PES General Meeting
- Status : Accepted (2023)
- Online : DOI: 10.1109/PESGM52003.2023.10252618

[4] An Iterative Bidirectional Gradient Boosting Algorithm for CVR Baseline Estimation

- Authors : **H.P. Lee, L. Song, Y. Li, D. Wu, PJ. Rehm, M. Makdad, E. Miller, and N. Lu*
- Journal : IEEE PES General Meeting
- Status : Accepted (2023)
- Online : DOI: 10.1109/PESGM52003.2023.10252215

[3] An ICA-Based HVAC Load Disaggregation Method Using Smart Meter Data

- Authors : **H.J. Kim, K. Ye, H.P. Lee, R. Hu, D. Wu, PJ. Rehm, and N. Lu*
- Journal : ISGT NA
- Status : Accepted (2023)
- Online : DOI: 10.1109/ISGT51731.2023.10066402

[2] A Novel Data Segmentation Method for Data-driven Phase Identification

- Authors : **H.P. Lee, M. Zhang, M. Baran, PJ. Rehm, E. Miller, M. Makdad and N. Lu*
- Journal : IEEE PES General Meeting
- Status : Accepted (2022)
- Online : DOI: 10.1109/PESGM48719.2022.9916891

[1] Generation Scheduling to Limit PM2.5 Emissions and Dispersion: A Study on the Seasonal Management System of South Korea

- Authors : **H.P. Lee, S. Lei, and J.L. Mathieu*
- Journal : International Conference on Smart Grids and Energy Systems (SGES)
- Status : Accepted (2020)
- Online : DOI: 10.1109/SGES51519.2020.00101

Patents (primary inventor*)

[12] System and Method for Forecasting Future Voltage of Unmetered Critical Buses Using Limited Sensor Voltage Information

- Inventor : H.P. Lee and Gi-seop Noh*
- Patent : Korean Patent Application No. 10-2026-
- Status : Patent Application
- Filed : Sep. 2026, Seoul, Republic of Korea

[11] System and Method for Estimating and Mapping Distributed Energy Resource Hosting Capacity Using Distribution Network Operational Data

- Inventor : Jong-ha Park, Seung-won Ok, Je-seo Hwang, and H.P. Lee*
- Patent : Korean Patent Application No. 10-2026-0169785
- Status : Patent Application
- Filed : Sep. 2026, Seoul, Republic of Korea

[10] Distribution Network Topology Estimation Method and System Using AMI Data

- Inventor : Seong-won Choi and H.P. Lee*
- Patent : Korean Patent Application No. 10-2026-
- Status : Patent Application
- Filed : Sep. 2026, Seoul, Republic of Korea

[9] Offset T-type Crossarm

- Inventor : Chang-hyeong Lee, Seong-won Choi, Ho-jun Choi, Se-hun Hong, Ju-hui Han, and H.P. Lee*
- Patent : Korean Patent Application No. 10-2026-0188280
- Status : Patent Application
- Filed : Oct. 2026, Seoul, Republic of Korea

[8] Rotary Locking Monhole Cover Assembly for Preventing Dislodgment

- Inventor : Seong-won Choi, Je-seo Hwnag, Jong-ha Park, Seung-won Ok, and H.P. Lee*
- Patent : Korean Patent Application No. 10-2026-0188281
- Status : Patent Application
- Filed : Oct. 2026, Seoul, Republic of Korea

[7] Floating Hydroelectric System

- Inventor : H.P. Lee*
- Patent : Korean Patent Application No. 10-2025-0142488
- Status : Patent Application
- Filed : Sep. 2025, Seoul, Republic of Korea

[6] Blade Apparatus for Wind Turbines Equipped with Solar-Assisted Wings

- Inventor : H.P. Lee*
- Patent : Korean Patent Application No. 10-2025-0079266
- Status : Patent Application
- Filed : June. 2025, Seoul, Republic of Korea

[5] High-Efficiency Ventilating Blower Using a Supercapacitor-Based DC Motor

- Inventor : H.P. Lee*
- Patent : Korean Patent Application No. 10-2025-0079265
- Status : Patent Application
- Filed : June. 2025, Seoul, Republic of Korea

[4] Multifunctional Rainwater Storage Pergola Using a Supercapacitor-Based System

- Inventor : H.P. Lee*
- Patent : Korean Patent Application No. 10-2025-0079264
- Status : Patent Application
- Filed : June. 2025, Seoul, Republic of Korea

[3] Method for Manufacturing Pellets Containing Organic Waste

- Inventor : H.P. Lee*
- Patent : Korean Patent Application No. 10-2025-0074863
- Status : Patent Application
- Filed : June. 2025, Seoul, Republic of Korea

[2] Arm Tie Rack Multi-Band

- Inventor : H.P. Lee*
- Patent : Korean Patent No. 10-2019-0133513
- Registered : Dec. 2019

[1] Underground Cable Connector

- Inventor : Dong-hyeok Kim, Sang-ho Park, Sang-rok Lee, and H.P. Lee*
- Patent : Korean Patent No. 10-2018-0043905
- Registered : May. 2018

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