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Droop Control-Based Dispatch of an Islanded Microgrid with Multiple Grid-Forming Sources
Before rotating, fossil fuel-based, synchronous generators (SGs) are phased out, in line with renewable generation goals, grid-forming (GFM) inverters are expected to parallel SGs. Primary droop control allows GFM inverters to share power without communication; however, it is nece...
Ganguly, S. et al NLR
Dec 31, 2022
Wind Integration National Dataset Toolkits
NREL's Wind Integration National Dataset (WIND) Toolkit offers large-scale, high-resolution data sets that include wind speed, power production, and meteorological variables across the United States. The toolkits provide time series data for wind resource assessment, grid integrat...
NLR
Mar 12, 2025
Renewable Energy Data Assessment Checklist
Developed by NREL, USAID, and partners, this spreadsheet checklist helps analysts and planners evaluate renewable energy data sets for quality, completeness, and suitability for planning purposes. It covers metadata, temporal and spatial coverage, data accuracy, and documentation....
NREL, U. NLR
Dec 31, 2025
Integrated Distribution System Planning
Lawrence Berkeley National Laboratory's Integrated Distribution System Planning project develops frameworks and tools to help utilities plan distribution systems that accommodate high levels of distributed energy resources. The project provides research reports, case studies, and ...
Lawrence Berkeley National Laboratory
Dec 31, 2024
Levelized Cost of Energy Calculator
This online calculator from NREL allows users to estimate the levelized cost of energy (LCOE) for a wide range of technologies, including solar, wind, storage, and conventional generation. Users input parameters such as capital cost, operating and maintenance cost, capacity factor...
NLR
Mar 30, 2026
Distribution System Infographic
Produced by Pacific Northwest National Laboratory, this infographic visually explains the major components of an electric distribution system from substations and feeder lines to transformers, switches, and customer meters. It shows how electricity is routed from the transmission ...
Initiative, M. U.S. Department of Energy
Dec 31, 2025
Overview of Functional Technical Requirements for Intentional Islands
This document provides an overview of intentional islands, otherwise known as microgrids. The topics covered include common types of microgrid configurations, high level summaries of standards that address some aspect of microgrid implementation and interconnection, and a discussi...
Narang, D. et al NLR
Nov 30, 2022
Biomass Resource Data, Tools, and Maps
NREL's biomass resources page aggregates a suite of datasets, interactive maps, and analytical tools focused on biomass feedstocks in the United States. Resources include county-level supply estimates for crop and forest residues, urban wood waste, and energy crops; supply curves ...
NLR
Mar 25, 2025
Solar Geospatial Data Tools
NREL offers several geospatial data tools for solar energy planning. Tools like the Solar Prospector allow users to explore solar resource layers in combination with land ownership, slope, protected areas, and infrastructure data to identify potential project sites. Users can quer...
NLR
Nov 12, 2024
PR-DRIFT: Puerto Rico Demand Response Impact and Forecast Tool
PR-DRIFT is an NREL-developed tool that models and forecasts the impacts of demand response programs on Puerto Rico's electric grid. It simulates how customer participation in demand response can reduce peak loads, provide ancillary services, and improve resilience. The tool helps...
NLR
Mar 11, 2025
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