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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
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
BPS-Connected Inverter-Based Resource Modeling and Studies Webinar
Recorded webinar presenting recommended practices for BPS studies with inverter‑based resources. The session reviews model types and parameterization, short‑circuit and stability studies, screening and data needs, and validation against field tests. Examples illustrate sensiti...
Force, T. North American Electric Reliability Corporation
Jun 07, 2020
Fast Frequency Response Concepts and BPS Reliability Needs
Recorded webinar introducing fast‑frequency‑response concepts and reliability needs for high‑IBR systems. Content covers definitions, triggers, control timelines, measurement and verification, and interactions with governor response and inertial effects. Case studies and sim...
Force, T. North American Electric Reliability Corporation
Apr 15, 2020
Voices of Experience: Microgrids for Resiliency
This report in the 'Voices of Experience' series compiles lessons learned from utilities, communities, and developers about using microgrids to enhance resilience against grid disruptions. It covers topics such as microgrid design, technology selection, financing, regulatory consi...
NREL, S. NLR
Oct 31, 2020
Kauai Island Utility Cooperative: The Impact of Extensive PV Penetration
This case study analyzes how extensive penetration of solar photovoltaic generation has affected the Kauai Island Utility Cooperative's distribution system. It covers impacts on voltage regulation, frequency stability, and curtailment, and describes measures the utility implemente...
Lovas, T. National Rural Electric Cooperative Association
Jun 30, 2015
Cybersecurity Considerations for Distributed Energy Resources on the U.S. Electric Grid
Summarizes DER cyber trends and risks and recommends risk-informed practices such as zero-trust architectures, secure interfaces, multi-factor authentication, and standardized testing. Includes appendices on grid support functions and threat scenarios to ground planning and procur...
, . U.S. Department of Energy
Mar 30, 2026
Flexible Operation of Microgrids Through Operator-Configurable Microgrid Controllers
Microgrids are becoming critical assets in power distribution systems. This is partly due to the resiliency and reliability challenges faced by power distribution systems in the last decade and partly due to the increased integration of distributed energy resource assets, such as ...
Curtiss, P. et al SandC Electric Company
Dec 31, 2024
BPS-Connected Battery Energy Storage Systems and Hybrid Power Plants
Recorded webinar in NERC’s IBR task‑force series covering performance characteristics, modeling, and operational considerations for BPS‑connected battery storage and hybrid plants. Topics include grid‑support functions, protection interactions, ride‑through expectations,...
Force, T. North American Electric Reliability Corporation
Jul 10, 2021
Case Study: Applying the Idaho National Laboratory Resilience Framework to Iowa Lakes Electric Cooperative Distributed Wind Systems
Describes how the Distribution Modernization Tool (DMT) structures distribution system studies from data intake and model setup to constraint screening and option evaluation to support transparent, repeatable planning. Emphasizes documenting assumptions and using scenarios to comp...
Culler, M. et al Idaho National Laboratory
Mar 01, 2022
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