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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
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
Cambium
Cambium is an NREL data set and tool that offers hour-by-hour projections of marginal emissions and electricity costs across U.S. regions under multiple future scenarios. The tool combines technology cost assumptions, policy contexts, and generation mix trajectories to produce dat...
NLR
Apr 27, 2025
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
JEDI: Jobs and Economic Development Impact Models
NREL's JEDI models provide transparent, user-friendly tools for estimating the jobs and economic impacts associated with energy projects, including wind, solar, geothermal, biomass, and fossil fuels. Users input project-specific data such as capital costs, local spending, and job ...
NLR
Apr 20, 2024
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
Community Solar Scenario Tool
The Community Solar Scenario Tool (CSST) developed by NREL allows users to model different community solar program designs and assess their impacts on subscribers and utility finances. It calculates bill savings, project revenues, and costs under various subscription structures, i...
NLR
Aug 23, 2025
Engage Energy Modeling Tool
Engage is an interactive web-based tool from NREL that enables communities to model different energy scenarios and explore pathways toward renewable energy and emissions reduction goals. Users can simulate the effects of energy efficiency, renewable generation, storage, and transp...
NLR
Mar 18, 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
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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