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OpenDSS
OpenDSS (the Open Distribution System Simulator) is a comprehensive, open‑source simulation tool originally developed by EPRI for modeling electric utility distribution systems. It supports steady‑state and time‑series power flow analysis on unbalanced, three‑phase network...
Electric Power Research Institute
Dec 31, 2024
The Distributed Energy Resources Customer Adoption Model (DER-CAM)
DER CAM is a decision support model developed by Lawrence Berkeley National Laboratory to identify optimal combinations of distributed energy resources (e.g., solar PV, battery storage, CHP, and demand response) for buildings or multi-energy microgrids. Given load profiles, utilit...
Laboratory, N. Lawrence Berkeley National Laboratory
Dec 31, 2024
Utility and Grid Operator Resources for Future Power Systems Webinar Series: Introduction to Microgrids
NREL’s collection highlights research, datasets, and decision‑support tools for transmission and distribution planning, interconnection studies, and operations. The page helps utilities and grid operators evaluate options for accommodating emerging large loads—including data...
Prabakar, K. NLR
Jul 14, 2025
Integration of Electrolysis Systems Into Isolated Microgrid Systems at Extreme Cold Climates
Isolated microgrid systems are generally used to power communities in remote locations where transmission line installations are cost prohibitive. These systems are usually powered by diesel generators, delivering expensive energy with high carbon emissions. However, most of these...
Nemsow, N. et al Karlsruche Institute of Technology
Dec 31, 2024
Renewable Electricity Infrastructure and Resources Dashboard
The Renewable Electricity Infrastructure and Resources Dashboard, hosted on ArcGIS by the U.S. Energy Information Administration, combines datasets on power plants, transmission lines, and renewable resource potential into an interactive interface. Users can toggle layers showing ...
Energy Information Administration
Dec 31, 2025
Informative Background on the Interoperability Requirements in IEEE Std 1547-2018
This NREL report summarizes the interoperability requirements in the revised Institute of Electrical and Electronics Engineers Standard 1547-2018 (IEEE Std 1547-2018). Additionally, the report provides context and related background concepts for applying advanced interoperability ...
Ingram, M. et al NLR
Jun 30, 2021
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
HEM: Holistic Electricity Model
HEM is a holistic electricity system model developed by NREL that integrates multiple modules to simulate generation, transmission, distribution, and market operations. It allows researchers to evaluate the impacts of policy changes, technology costs, and system constraints on gri...
NLR
Apr 20, 2025
Distributed wind-hybrid microgrids with autonomous controls and forecasting
Distributed wind-hybrid microgrids have the potential to provide key resilience and economic benefits to both the customers they serve and the utility grids they are connected to. Such microgrids will likely be a key part of the grid of the future, whether connected to large utili...
Anderson, B. et al NLR
Feb 28, 2023
Regional Energy Deployment System
ReEDS is NREL's flagship capacity expansion model that simulates deployment of generation and transmission infrastructure across the continental United States. It incorporates resource availability, technology costs, policy constraints, and transmission limitations to project leas...
NLR
Apr 20, 2025
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