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Standard Scenario Viewer and Data Downloader
The Standard Scenarios provide a set of forward looking projections for the U.S. electric power sector to 2050, reflecting varying assumptions about technology costs, fuel prices, policies, and demand growth. NREL updates these scenarios annually; the 2024 edition includes 61 scen...
NLR
Jan 28, 2026
Cybersecurity Baselines for Electric Distribution Systems and DER
Defines baseline controls electric distribution utilities and DER operators should adopt and provides interim guidance for asset scoping and prioritization. Intended as a common starting point for regulators and utilities to align risk management programs.
U.S. Department of Energy, N.
Jan 31, 2024
Community Solar Scenario Tool
The Community Solar Scenario Tool (CSST) developed by NREL allows users to model different community solar program designs and assess their impacts on subscribers and utility finances. It calculates bill savings, project revenues, and costs under various subscription structures, i...
NLR
Aug 23, 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
Regulatory Perspective: IEEE 1547 Revision and DER Interconnection Standards
This resource offers a regulatory perspective on the revision of IEEE Std 1547, the standard governing interconnection and interoperability of distributed energy resources with the grid. It discusses why the revision was undertaken, the key technical changes such as ride-through...
Rosier, M. Minnesota Public Utilities Commission
Apr 19, 2018
Background Information on the Power Quality Requirements in IEEE Std 1547-2018
This document provides context for the power quality requirements contained in IEEE Std 1547-2018. It explains why limits on voltage regulation, flicker, harmonics, and unintentional islanding were specified, and how distributed energy resources should comply. The guide discusses ...
Ingram, M. et al NLR
Sep 30, 2021
High-Penetration Photovoltaic Integration Handbook for Distribution Engineers
This handbook, produced by NREL, offers practical guidance for distribution engineers facing high penetration of photovoltaic (PV) systems on their networks. It addresses technical challenges such as voltage regulation, protection coordination, reverse power flow, and transformer ...
Seguin, R. et al NLR
Dec 31, 2015
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
Clean Energy for Resilient Communities: Expanding Solar Generation in Baltimore's Low-Income Neighborhoods
Commissioned by the Abell Foundation and authored by the Clean Energy Group, this report explores how solar energy can improve resilience in low-income neighborhoods in Baltimore. It evaluates opportunities for installing solar PV and storage on community buildings, examines finan...
Sanders, R. and Milford, L. Clean Energy Group (Prepared for the Abell Foundation)
Jan 31, 2014
FERC Order No. 2222 Explainer: Facilitating Participation in Electricity Markets by Distributed Energy Resources
This explainer from the Federal Energy Regulatory Commission (FERC) summarizes Order No. 2222, which requires regional transmission organizations and independent system operators to remove barriers that prevent distributed energy resources (DER) from participating in wholesale mar...
Federal Energy Regulatory Commission
Jan 22, 2025
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