National Renewable Energy Laboratory (@NREL)

Top repositories

1

api-umbrella

Open source API management platform
Ruby
1,944
star
2

EnergyPlus

EnergyPlusâ„¢ is a whole building energy simulation program that engineers, architects, and researchers use to model both energy consumption and water use in buildings.
C++
1,044
star
3

OpenStudio

OpenStudio is a cross-platform collection of software tools to support whole building energy modeling using EnergyPlus and advanced daylight analysis using Radiance.
C++
484
star
4

SAM

System Advisor Model (SAM)
C++
318
star
5

floris

A controls-oriented engineering wake model.
Python
197
star
6

OpenOA

This library provides a framework for assessing wind plant performance using operational assessment (OA) methodologies that consume time series data from wind plants. The goal of the project is to provide an open source implementation of common data structures, analysis methods, and utility functions relevant to wind plant OA.
Jupyter Notebook
175
star
7

Radiance

This repo has been archived. Please refer to https://github.com/LBNL-ETA/Radiance/tree/master for the latest updates.
C
156
star
8

vagrant-boxes

Shell
146
star
9

rdtools

PV Analysis Tools in Python
Python
144
star
10

SOWFA

Roff
127
star
11

ReEDS-2.0

Python
115
star
12

resstock

Highly granular modeling of residential building stocks at national, regional, and local scales using OpenStudio/EnergyPlus.
Ruby
103
star
13

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.
Jupyter Notebook
103
star
14

pysam

Python Wrapper for the System Advisor Model
C
99
star
15

ROSCO

A Reference Open Source Controller for Wind Turbines
Python
96
star
16

PowerGridworld

PowerGridworld provides users with a lightweight, modular, and customizable framework for creating power-systems-focused, multi-agent Gym environments that readily integrate with existing training frameworks for reinforcement learning (RL). https://arxiv.org/abs/2111.05969
Python
93
star
17

reV

Renewable Energy Potential (reV) Model
Python
92
star
18

hsds-examples

Examples of using the HSDS Service to Access NREL WIND Toolkit data
Jupyter Notebook
85
star
19

bifacial_radiance

Toolkit for working with RADIANCE for the ray-trace modeling of Bifacial Photovoltaics
Python
81
star
20

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)
Python
81
star
21

openstudio-standards

Ruby
79
star
22

ssc

SAM Simulation Core (SSC) contains the underlying performance and financial models for SAM
C++
78
star
23

phygnn

physics-guided neural networks (phygnn)
Python
67
star
24

floorspace.js

JavaScript
66
star
25

ditto

DiTTo is a Distribution Transformation Tool that aims at providing an open source framework to convert various distribution systems modeling formats.
Python
66
star
26

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.
Python
65
star
27

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.
Python
57
star
28

mappymatch

Pure-python package for map matching
Python
54
star
29

PhIRE

Python
54
star
30

wex

WEX, which is short for WxWidgets Extensions, is a cross-platform library of graphical user interface tools that extends the popular open-source project WxWidgets. WEX includes many features including the powerful DView program (https://github.com/NREL/wex/wiki/DView), which provides an easy-to-use way to visualize complex time series data.
C
54
star
31

nfp

Keras layers for end-to-end learning with rdkit and pymatgen
Python
52
star
32

alfabet

Machine learning predictions of bond dissociation energy
Python
52
star
33

turbine-models

Documentation for the turbine models in this repository is available below.
Python
51
star
34

WindSE

Python
48
star
35

SolarPILOT

SolarPILOT power tower layout and optimization tool
C++
43
star
36

developer.nrel.gov

An issue tracker for NREL's APIs available at https://developer.nrel.gov
HTML
43
star
37

OpenStudio-server

The OpenStudio Server is a docker or Helm deployable instance which allows for large-scale parametric analyses of building energy models using the OpenStudio or URBANopt CLIs.
Ruby
43
star
38

gdx-pandas

Python interface to read and write GAMS GDX files using pandas.DataFrames as the intermediate data format.
Python
43
star
39

EvoProtGrad

Directed evolution of proteins in sequence space with gradients
Jupyter Notebook
43
star
40

BuildingsBench

Large-scale pretraining and benchmarking for short-term load forecasting.
Jupyter Notebook
42
star
41

BuildingMOTIF

Building Metadata OnTology Interoperability Framework (BuildingMOTIF)
Jupyter Notebook
42
star
42

dynamo

A modular MATLAB toolkit for Dynamic programming (DP) and Approximate Dynamic Programming (ADP) for Adaptive Modeling and Optimization
MATLAB
41
star
43

PRAS

NREL's Probabilistic Resource Adequacy Suite (PRAS)
Julia
40
star
44

OpenStudio-HPXML

Modeling of residential buildings in EnergyPlus using OpenStudio/HPXML.
Ruby
38
star
45

alfalfa

Alfalfa is a web service that enables runtime interaction with building energy models (OpenStudio/EnergyPlus and FMUs compiled from Modelica or Spawn) over REST APIs.
Python
38
star
46

PyPSCAD

36
star
47

OPFLearn.jl

A Julia package that efficiently creates representative datasets for machine learning approaches to AC optimal power flow
Julia
36
star
48

ParaEMT_public

Python
35
star
49

graph-env

Reinforcement learning for combinatorial optimization over directed graphs
Python
34
star
50

SolTrace

SolTrace
C++
33
star
51

elm

ELM is a collection of utilities to apply Large Language Models (LLMs) to energy research.
Python
33
star
52

windtools

Python tools for wind simulation setup, data processing, and analysis
Python
33
star
53

MATBOX_Microstructure_analysis_toolbox

MATBOX is an open-source MATLAB toolbox dedicated to microstructure analsyis of porous/heterogeneous materials
MATLAB
32
star
54

PyDSS

Python
32
star
55

PV_ICE

An open-source tool to quantify Solar Photovoltaics (PV) Energy and Mass Flows in the Circular Economy, from a Reliability and Lifetime approach
HTML
32
star
56

REopt-Analysis-Scripts

Jupyter Notebook
31
star
57

OpenStudio-analysis-spreadsheet

The OpenStudio Analysis Spreadsheet is a front-end for the OpenStudio Server, allowing for users to create large-scale cloud analyses using OpenStudio measures.
Ruby
31
star
58

SOWFA-6

30
star
59

lk

LK (Language Kit) is a simple but powerful scripting language that is designed to be small, fast, and easily embedded in other applications. The core LK engine, including lexical analyzer, parser, compiler, and virtual machine is only dependent on the Standard C++ Library (STL), making it extremely lightweight and portable.
C
30
star
60

GEOPHIRES-v2

GEOPHIRES v2.0: a free and open-source geothermal techno-economic simulator
Python
30
star
61

flasc

A rich floris-driven suite for SCADA analysis
Jupyter Notebook
28
star
62

bifacialvf

Bifacial PV View Factor model for system performance calculation
Python
28
star
63

OCHRE

A Python-based building energy modeling (BEM) tool designed to model flexible loads in residential buildings
Python
28
star
64

rlmolecule

A reinforcement learning library for material and molecule optimization
Python
27
star
65

EnergyPlusRelease

Fortran
27
star
66

MoorPy

Python
26
star
67

ComStock

National scale modeling of the U.S. commercial building stock supported by U.S. DOE, LADWP, and others and maintained by NREL
Ruby
25
star
68

openfast-turbine-models

A repository of OpenFAST turbine models developed by NREL researchers.
Jupyter Notebook
25
star
69

BACnet

Java
24
star
70

api-umbrella-gatekeeper

See the https://github.com/NREL/api-umbrella repository instead.
JavaScript
23
star
71

m2p

Python
23
star
72

ROSCO_toolbox

A repository for generating ROSCO controller input files and more.
Python
23
star
73

OpenStudio-PAT

The Parametric Analysis Tool (PAT) is part of the OpenStudio collection of software tools.
Ruby
23
star
74

api-umbrella-web

See the https://github.com/NREL/api-umbrella repository instead.
Ruby
22
star
75

OpenWARP

Please visit http://nrel.github.io/OpenWARP/ for more information.
Python
22
star
76

REopt.jl

Julia
22
star
77

ATB-calc

Python files and Jupyter notebooks for processing the Annual Technology Baseline (ATB) electricity data and determining LCOE and other metrics.
Python
22
star
78

PyPSSE

Python
21
star
79

reVX

The Renewable Energy Potential(V) eXchange Tool: reVX
Python
21
star
80

OpenStudio-Prototype-Buildings

Ruby
20
star
81

buildstockbatch

Python
20
star
82

docker-openstudio

Repository for managing the builds of OpenStudio Docker images.
Dockerfile
20
star
83

Panel-Segmentation

This open-source package provides a framework for automatically detecting and extracting metadata from solar array installations in satellite images.
Jupyter Notebook
20
star
84

ProgressiveHedging.jl

Basic progressive hedging implementation in Julia
Julia
20
star
85

powerscenarios

Realistic renewable energy scenarios for stochastic grid optimization problems
MATLAB
20
star
86

HOPP

Jupyter Notebook
19
star
87

electrolyzer

Python
19
star
88

hive

HIVEâ„¢ is a mobility services research platform
Python
19
star
89

hescore-hpxml

HPXML to Home Energy Score Translator
Python
18
star
90

OpenStudio-fault-measure-gem

OpenStudio measures for modeling building faults
Ruby
18
star
91

CampusEnergyModeling

MATLAB
18
star
92

latex_editing

TeX
18
star
93

OpenStudio-resources

HTML
18
star
94

rex

REsource eXtraction Tool (rex)
Python
18
star
95

OpenStudio-ERI

Energy Rating Index (ERI) calculation via OpenStudio/EnergyPlus.
Ruby
17
star
96

NRWAL

The National Renewable Energy Laboratory Wind Analysis Libray (NRWAL)
Python
17
star
97

fastsim

Python
17
star
98

DSS-SimPy-RL

This repository is an Reinforcement Learning Platform for learning agents to control cyber-physical Power Distribution Systems resiliently. The cyber environment in based on SimPy Discrete Event Simulator, while the distribution system is backened by Open-DSS.
Python
17
star
99

rplexos

C++
16
star
100

hsds-viz

Interactive Visualization of WIND Toolkit Data using HSDS Data Service
JavaScript
16
star