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Reliability Primer
This primer provides an overview of the Federal Energy Regulatory Commission’s (FERC’s) role in overseeing the reliable operation of the nation’s bulk power system, i.e., the interconnected electric grid. In order to understand FERC’s reliability program, it is useful to f...
Federal Energy Regulatory Commission
Apr 22, 2020
IEEE 1457-2018 Workshops
The Institute of Electrical and Electronics Engineers Standard 1547-2018 (IEEE Std 1547-2018) workshop series is part of NREL's efforts to provide guidance and clarity for local authorities that are adopting, developing, and maintaining rules around integrating DERs such as solar,...
Narang, D. et al NLR
Mar 30, 2026
3 Resources
3 Resources
Informative Background on the Interoperability Requirements in IEEE Std 1547-2018
This NREL report summarizes the interoperability requirements in the revised Institute of Electrical and Electronics Engineers Standard 1547-2018 (IEEE Std 1547-2018). Additionally, the report provides context and related background concepts for applying advanced interoperability ...
Ingram, M. et al NLR
Jun 30, 2021
Distribution System Infographic
Produced by Pacific Northwest National Laboratory, this infographic visually explains the major components of an electric distribution system from substations and feeder lines to transformers, switches, and customer meters. It shows how electricity is routed from the transmission ...
Initiative, M. U.S. Department of Energy
Dec 31, 2025
OpenDSS
OpenDSS (the Open Distribution System Simulator) is a comprehensive, open‑source simulation tool originally developed by EPRI for modeling electric utility distribution systems. It supports steady‑state and time‑series power flow analysis on unbalanced, three‑phase network...
Electric Power Research Institute
Dec 31, 2024
Coupled Transmission and Distribution Simulations To Assess Distributed Energy Resource To Power System Faults
This resource describes a methodology that couples transmission and distribution system simulations to assess how distributed energy resources (DER) affect power-system fault responses. By linking detailed distribution models with bulk power system models, researchers can evaluate...
Kenyon, R. et al University of Colorado Boulder
Nov 30, 2020
Distributed Energy Resources Interconnection Workshop 2022
Foundational presentations on DER aggregation, wholesale participation, and the role of IEEE 1547 in interconnection. Provides slides and references aimed at regulators and utilities beginning to modernize interconnection practices.
Narang, D. et al NLR
Dec 31, 2021
5 Resources
5 Resources
2024 Standard Scenarios Report: A U.S. Electricity Sector Outlook
NREL's 2024 Standard Scenarios report offers a comprehensive outlook for the U.S. electricity sector using a suite of scenarios that incorporate varying assumptions about technology costs, policy landscapes, and market trends. The report presents projections of generation mix, cap...
Gagnon, P. et al NLR
Nov 30, 2024
A Solar Hosting Capacity Analysis on a Synthetic Rural Alaska Microgrid Model
The report discusses procedures used to conduct a hosting capacity analysis (HCA) on a synthetic Alaskan microgrid model. This includes the test case used, assumptions in the analysis, and the several algorithms implemented. The maximum distribution transformer and line loading o...
Francisco, A. et al University of Alaska Fairbanks
Apr 24, 2025
Making the Grid Smarter: Primer on Adopting the New IEEE Std 1547-2018 for Distributed Energy Resources
Published by the Interstate Renewable Energy Council, this primer helps regulators, utilities, and developers understand and implement the requirements of IEEE Standard 1547 2018. It explains key technical provisions ride-through, voltage and frequency regulation, interoperability...
Lydic, B. and Baldwin, S. Interstate Renewable Energy Council
Dec 31, 2018
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