TY - RPRT TI - State Estimation-Based Distributed Energy Resource Optimization for Distribution Voltage Regulation in Telemetry-Sparse Environments Using a Real-Time Digital Twin AU - Darbali-Zamora, Rachid AU - Johnson, Jay (ORCID:0000000193268011) AU - Summers, Adam (ORCID:000000025092555X) AU - Jones, C. Birk AU - Hansen, Clifford AU - Showalter, Chad PY - 2021 DO - 10.3390/en14030774 UR - https://www.osti.gov/biblio/2279818 ID - 2279818 ER -