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Microgrid Design Toolkit (MDT)
Sandia National Laboratories' Microgrid Design Toolkit (MDT) is a decision support tool that helps engineers design microgrids to meet user-defined objectives. It integrates load modeling, renewable and conventional generation options, energy storage, and control strategies to eva...
Sandia National Laboratories
Dec 31, 2024
GridLab-D
GridLAB-D is a new power system simulation tool that provides valuable information to users who design and operate electric power transmission and distribution systems, and to utilities that wish to take advantage of the latest smart grid technology. It incorporates advanced model...
Pacific Northwest National Laboratory
Jan 19, 2023
2 Resources
2 Resources
NREL's PVWatts Calculator
PVWatts is an easy to use calculator from NREL that estimates the annual energy output and levelized cost of electricity for a grid connected photovoltaic system based on system size, location, array tilt, and basic performance assumptions. It uses National Solar Radiation Databas...
NLR
Dec 31, 2024
REopt
REopt is a techno-economic optimization platform developed by NREL that recommends optimal sizes and dispatch strategies for distributed energy resources including solar photovoltaics, wind turbines, batteries, and thermal technologies based on site specific load profiles, utility...
NLR
Dec 31, 2025
Resilient Node Cluster Analysis Tool (ReNCAT)
The Resilient Node Cluster Analysis Tool (ReNCAT) is an optimization‑based desktop application developed by Sandia National Laboratories to support community‑scale resilience planning. ReNCAT combines distribution system topology, critical‑infrastructure locations (such as h...
Sandia National Laboratories
Dec 31, 2025
ResStock Analysis Tool
The ResStock Analysis Tool developed by NREL models energy consumption and retrofit opportunities across the U.S. residential building stock. It uses statistical sampling, building physics, and utility data to simulate performance for millions of representative homes. Users can ev...
NLR
Jun 22, 2025
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
PRAS: Probabilistic Resource Adequacy Suite
PRAS is a modeling suite developed by NREL that performs probabilistic resource adequacy assessments for power systems. It incorporates weather variability, generator outages, and demand uncertainty to estimate metrics such as loss of load expectation (LOLE). Users can explore how...
NLR
Apr 20, 2025
PREESAT: Puerto Rico Energy Efficiency Scenario Analysis Tool
The Puerto Rico Energy Efficiency Scenario Analysis Tool (PREESAT) developed by NREL allows policymakers and stakeholders to model the impacts of energy efficiency measures on Puerto Rico's energy consumption and economic development. Users can explore scenarios for different sect...
NLR
Mar 18, 2025
Resource Planning Portal
Lawrence Berkeley National Laboratory's Resource Planning Portal centralizes publicly available integrated resource plans, procurement solicitations, and related planning documents from utilities and regional grid operators. Users can search by utility, state, filing year, resourc...
Laboratory, N. Lawrence Berkeley National Laboratory
Dec 31, 2025
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