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Black Start of Unbalanced Microgrids Harmonizing Single and Three-Phase Grid-Forming Inverters: Preprint
As power systems are transforming with increasing penetrations of inverter-based resources (IBRs), system restoration using IBRs has drawn attention. Using distributed grid-forming (GFM) assets located near critical loads, either three-phase or single-phase, to establish microgrid...
Seo, G. et al NLR
Jul 31, 2023
Cost-Optimal Pathways to 75% Fuel Reduction in Remote Alaskan Villages: Preprint
There are thousands of isolated, diesel-powered microgrids that deliver energy to remote communities around the world at very high energy costs. The Remote Communities Renewable Energy program aims to help these communities reduce their fuel consumption and lower their energy cost...
Simpkins, T. et al NLR
Dec 31, 2014
Design of a State Machine for Smooth Microgrid Transition Operation
A state machine is proposed in the energy management system (EMS) of a microgrid as the solution for smooth microgrid's transition operation. This state machine includes six 'states' that cover all the operating modes during the microgrid's transition operation: two basic modes (g...
Wang, J. et al NLR
Jul 02, 2018
Optimal Operation for Resilient and Economic Modes in an Islanded Alaskan Grid
Legacy energy management systems for distribution system or microgrids are typically driven by economics. During extreme events, resiliency can be defined as ability of the system to keep supplying critical loads. Resilient operation during extreme events (e.g. avalanche in Alaska...
Pandey, S. et al NLR
Dec 31, 2019
A Fast and Scalable Genetic Algorithm-Based Approach for Planning of Microgrids in Distribution Networks
As a result of climate change, extreme weather events are occurring more frequently and with increasing impact. This trend poses a significant challenge for distribution utilities and system operators to ensure that there is uninterrupted power supply to critical loads in their ne...
Sahu, A. et al NLR
Dec 31, 2021
Impacts of Dispatch Strategies and Forecast Errors on the Economics of Behind-the-Meter PV-Battery Systems
To assess the economic value of batteries in hybrid PV-battery systems, one must create a dispatch profile for the battery. Many analyses of battery value assume perfect forecasts of PV generation and load, determining an upper limit on the value of the battery. Prior work that ac...
Mirletz, B. and Laws, N. NLR
Dec 31, 2022
Energy Profiler Tool
NREL's Energy Profiler Tool helps state, local, and tribal governments understand their community's energy consumption patterns, costs, and associated emissions. Users can input basic data to generate customized profiles that highlight major energy users and emissions sources. The...
NLR
Aug 23, 2025
Microgrid Analysis Tools Summary
The over-arching goal of the Alaska Microgrid Partnership is to reduce the use of total imported fuel into communities to secure all energy services by at least 50% in Alaska's remote microgrids without increasing system life cycle costs while also improving overall system reliabi...
Jimenez, A. et al U.S. Department of Energy
Nov 26, 2017
Battery Energy Storage System Procurement Checklist
This FEMP checklist offers project managers a structured list of considerations for procuring battery energy storage systems. It addresses system sizing, application requirements, technical specifications, vendor qualifications, safety standards, warranties, commissioning, and mai...
U.S. Department of Energy
Jul 07, 2024
Roadmap for Wind Cybersecurity
Produced by the U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy (EERE), this roadmap identifies cyber threats facing the wind energy industry and proposes strategies to mitigate them. It covers cybersecurity best practices for turbine control systems, ...
Efficiency, E. and Energy, R. U.S. Department of Energy
Jun 30, 2020
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