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U.S. Department of Energy Microgrid Installation Databases
Established in 2018 and maintained by ICF for the U.S. Department of Energy, the Microgrid Installation Database is the most comprehensive inventory of microgrids in the United States. The online tool catalogs microgrid projects by location, capacity, technology composition, opera...
U.S. DOE and ICF
Jul 14, 2025
U.S. Department of Energy Combined Heat and Power Database
The DOE Combined Heat and Power (CHP) Installation Database, managed by ICF and funded by the U.S. Department of Energy, is the definitive source for information on CHP systems in the United States. Established in 2002 and updated monthly, the database includes installation capaci...
U.S. DOE and ICF
Jul 14, 2025
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
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
Background Information on the Protection Requirements in IEEE Std 1547-2018
This resource offers explanatory background on the protection requirements outlined in IEEE Std 1547-2018, the standard governing interconnection of distributed energy resources (DER). It discusses the rationale behind protective device settings, fault detection, anti-islanding re...
Mahmud, R. and Ingram, M. 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
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
Utility Grid Operator Resources for Future Power Systems Webinar Series
With funding from the U.S. Department of Energy's Office of Policy, NLR hosted a webinar series for utility engineers, planners, operators, and industry leaders to gain insights from experts, explore cutting-edge research, and participate in Q&A sessions.
Mendoza Carrilo, I. et al NLR
Jun 04, 2025
9 Resources
9 Resources
Distributed Energy Resources Interconnection Workshop 2023
The Modern Distributed Energy Resource Capabilities and Deployment Considerations workshop, sponsored by the U.S. Department of Energy Grid Modernization Laboratory Consortium, provided technical support to public utility commissions. Presenters shared insights on who makes decisi...
Ingram, M. et al NLR
Dec 31, 2022
5 Resources
5 Resources
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
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