NREL

EnergyPlus

EnergyPlus™ is a whole building energy simulation program that engineers, architects, and researchers use to model both energy consumption and water use in buildings.

OpenStudio

OpenStudio is a cross-platform collection of software tools to support whole building energy modeling using EnergyPlus and advanced daylight analysis using Radiance.

SAM

System Advisor Model (SAM)

rdtools

PV Analysis Tools in Python

resstock

Highly granular modeling of residential building stocks at national, regional, and local scales using OpenStudio/EnergyPlus.

HPC

A collection of various resources, examples, and executables for the general NREL HPC user community's benefit. Use the following website for accessing documentation.

reV

Renewable Energy Potential (reV) Model

REopt_API

The model for the REopt API, which is used as the back-end for the REopt Webtool (reopt.nrel.gov/tool), and can be accessed directly via the NREL Developer Network (https://developer.nrel.gov/docs/energy-optimization/reopt)

openstudio-standards

ssc

SAM Simulation Core (SSC) contains the underlying performance and financial models for SAM

dgen

The Distributed Generation Market Demand (dGen) model simulates customer adoption of distributed energy resources (DERs) for residential, commercial, and industrial entities in the United States and other countries.

sup3r

The Super-Resolution for Renewable Resource Data (sup3r) software uses generative adversarial networks to create synthetic high-resolution wind and solar spatiotemporal data from coarse low-resolution inputs.

BuildingMOTIF

Building Metadata OnTology Interoperability Framework (BuildingMOTIF)

OpenStudio-HPXML

Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.

elm

ELM is a collection of utilities to apply Large Language Models (LLMs) to energy research.

OCHRE

A Python-based building energy modeling (BEM) tool designed to model flexible loads in residential buildings

ComStock

National scale modeling of the U.S. commercial building stock supported by U.S. DOE, LADWP, and others and maintained by NREL

PVDegradationTools

Set of tools to calculate degradation responses and degradation related parameters for PV.

REopt.jl

reVX

The Renewable Energy Potential(V) eXchange Tool: reVX

buildstockbatch

fastsim

altrios

engage

NREL Engage Project

NREL-Beam-Characterization

revruns

Utilities for setting up and monitoring NREL's Renewable Energy Potential Model (reV) runs.

ComStock.github.io

CoolerChips

DEMOS_NREL

NEB-Tool

A user friendly, graphical, open-source application (Web/Mac/Windows) of the multiple benefits framework for non-energy benefits, incorporating additional aspects to make the tool effective for use in the United States.