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A Primer on the Unintentional Islanding Protection Requirement in IEEE Std 1547-2018
This primer provides an accessible explanation of the unintentional islanding protection provisions in IEEE Std 1547-2018. It describes why preventing unintentional islanding is critical, outlines testing and detection methods, and clarifies performance requirements for distribute...
Narang, D. et al NLR
Mar 31, 2022
Solar Resource Maps and Data
NREL's solar resource maps and data page hosts a variety of geospatial resources showing solar irradiance, photovoltaic potential, and related meteorological variables across the United States. These include maps of global horizontal irradiance, direct normal irradiance, and diffu...
Sengupta, M. et al NLR
Mar 09, 2025
Revision of IEEE Standard 1547: New Disturbance Response Requirements
This resource summarizes the new disturbance-response requirements in the revised IEEE Std 1547, covering ride through capabilities, frequency and voltage excursion tolerances, and dynamic response expectations for distributed energy resources. It likely discusses how DER must res...
Walling, R. Walling Energy Systems Consulting, LLC
Jan 31, 2017
Kake Heat Pump Rate Analysis for Inside Passage Electric Cooperative
This report provides an overview of possible rate structures that can encourage beneficial electrification, with an emphasis on HPs, in Kake, Alaska. Inside Passage Electric Cooperative (IPEC), and Alaska Center for Energy and Power (ACEP) at the University of Alaska Fairbanks are...
Mathur, S. et al University of Alaska Fairbanks
Dec 31, 2020
Clean Energy Microgrids: Considerations for State Energy Offices and Public Utility Commissions to Increase Resilience, Reduce Emissions, and Improve Affordability
This FEMP guide outlines techniques to mitigate hail damage to solar PV installations. It covers risk assessment, module selection with hail-resistant ratings, array tilt considerations, mounting structures, protective covers, and insurance considerations. The resource aims to hel...
National Association of Regulatory Utility Commissioners and National Association of State Energy Officials
Apr 30, 2023
Guide to the IEEE 1547-2018 Standard and Its Impact on Cooperatives
Produced by the National Rural Electric Cooperative Association (NRECA), this guide helps electric cooperatives understand and implement the requirements of IEEE Std 1547-2018. It summarizes key changes, including ride-through requirements, reactive power capabilities, and communi...
Ropp, M. National Rural Electric Cooperative Association
Feb 28, 2019
Grid Code Essentials and Streamlining Process for Interconnections: A Practitioner's Guide to Implementing Solar Rooftop Programs and Navigating Net-Metering Policies Webinar
This resource provides practitioners with essential information on grid codes, interconnection procedures, and net-metering policies relevant to solar rooftop programs. It explains key technical and administrative requirements, offers recommendations for streamlining interconnecti...
Ingram, M. NLR
Oct 29, 2020
Nuclear waste from small modular reactors
Peer-reviewed study comparing fuel cycles, spent fuel characteristics, and disposal implications for several small modular reactor concepts. Results indicate many designs produce more waste per unit energy and introduce diverse waste streams that complicate handling, storage, and ...
Krall, L. et al Stanford Univeristy
Mar 30, 2026
Networked Microgrid Optimal Design and Operations Tool: Regulatory and Business Environment Study
Microgrids increase the reliability of the electric supply at the distribution level by combining multiple power generation assets, storage systems, and loads. Networking two or more microgrids has the potential to increase reliability more efficiently and at a lower cost by takin...
Flores-Espino, F. et al NLR
Apr 30, 2020
An Overview of Behind-The-Meter Solar-Plus-Storage Regulatory Design: Approaches and Case Studies to Inform International Applications
This NREL overview examines regulatory designs for behind-the-meter solar-plus-storage installations, focusing on how policies, incentives, and market structures influence deployment. It summarizes approaches used in several jurisdictions, analyzes tariff structures, net metering ...
Zinaman, O. et al NLR
Feb 29, 2020
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