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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
Performance Evaluation of Peer-to-Peer Distributed Microgrids Coordination for Voltage Regulation
This paper presents the performance evaluation of a peer-to-peer microgrids coordination algorithm for sub-transmission systems. As distributed energy resources (DERs) in distribution system start to show negative impact to the bulk power system, a paradigm shift is needed for tra...
Gan, H. et al NLR
Dec 31, 2021
An Overview of Issues Related to IEEE Std 1547-2018 Requirements Regarding Voltage and Reactive Power Control
This overview discusses the voltage and reactive power control provisions of IEEE Std 1547-2018 and highlights implementation challenges for distributed energy resource interconnections. It covers topics such as voltvar control curves, ride through capabilities, coordination with ...
Narang, D. et al NLR
Aug 31, 2021
State and Local Planning for Energy (SLOPE)
The State and Local Planning for Energy (SLOPE) platform developed by NREL integrates data on energy supply, demand, and efficiency across sectors to support planning by state and local governments. SLOPE offers interactive dashboards and downloadable datasets that combine informa...
NLR
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
Distributed Wind Considerations From the IEEE 1547-2018 Revision
This technical report reviews key revisions to IEEE Std 1547-2018 from a distributed wind perspective. It outlines potential system benefits, manufacturer concerns, and implementation considerations, and provides general industry guidance to support adoption and compliance for dis...
Preus, R. et al NLR
Mar 01, 2021
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