Owner

NatLabRockies

132 indexed repositories · View on GitHub

api-umbrella
Open source API management platform

Ruby · 2199 stars
EnergyPlus
EnergyPlus™ is a whole building energy simulation program that engineers, architects, and researchers use to model both energy consumptio...

C++ · 1570 stars
OpenStudio
OpenStudio is a cross-platform collection of software tools to support whole building energy modeling using EnergyPlus and advanced dayli...

C++ · 646 stars
SAM
System Advisor Model (SAM)

C++ · 486 stars
floris
A controls-oriented engineering wake model.

Python · 301 stars
rdtools
PV Analysis Tools in Python

Python · 189 stars
pysam
Python Wrapper for the System Advisor Model

C · 150 stars
resstock
Highly granular modeling of residential building stocks at national, regional, and local scales using OpenStudio/EnergyPlus.

Ruby · 147 stars
reV
reV is an open-source geospatial techno-economic tool that estimates energy technical potential (capacity and generation), system cost, a...

Python · 143 stars
sup3r
The Super-Resolution for Renewable Resource Data (sup3r) software uses generative adversarial networks to create synthetic high-resolutio...

Python · 140 stars
mappymatch
Pure-python package for map matching

Python · 128 stars
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 ...

Python · 125 stars
bifacial_radiance
Toolkit for working with RADIANCE for the ray-trace modeling of Bifacial Photovoltaics

HTML · 107 stars
openstudio-standards

Ruby · 105 stars
phygnn
physics-guided neural networks (phygnn)

Python · 104 stars
solar-data-tools
Some data analysis tools for working with historical PV solar time-series data sets.

Jupyter Notebook · 100 stars
turbine-models
Documentation for the turbine models in this repository is available below.

Python · 94 stars
ssc
SAM Simulation Core (SSC) contains the underlying performance and financial models for SAM

C++ · 94 stars
MATBOX_Microstructure_analysis_toolbox
MATBOX is an open-source MATLAB toolbox dedicated to microstructure analsyis of porous/heterogeneous materials

MATLAB · 76 stars
PRAS
NLR's Probabilistic Resource Adequacy Suite (PRAS)

Julia · 76 stars
112 more repositories live on View on GitHub

Beginner friendly Everything

Open All

Only accept matched SEER/EER pairs (SEER2 with EER2, or SEER with EER) Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

NatLabRockies/OpenStudio-HPXML#2270 · Opened Sep 16, 2026
Seperate out requirements for reView-tools from reView Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

NatLabRockies/reView#64 · Opened Sep 9, 2026
2025.1 README (April 2026) has an incorrect description of the HVAC load shedding measures Open

Difficulty 1/5 Under an hour Newbie friendliness 85/100

NatLabRockies/resstock#1570 · Opened Aug 28, 2026
Update values template files and documentation to include SHA in docker image tags Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

NatLabRockies/openstudio-server-helm#122 · Opened Aug 26, 2026
Geotiff.write() nodata/dtype mismatch causes crash when exclusions H5 global profile has non-null nodata incompatible with output array dtype Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

NatLabRockies/reVX#273 · Opened Aug 25, 2026
Repo hygiene: stop committing operational artifacts; gitignore tmp/ and logs Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

NatLabRockies/openstudio-server-helm#120 · Opened Aug 24, 2026
Ops rules: Resque silent job loss — mid-ramp dispatch ban + end-of-run sweep Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

NatLabRockies/openstudio-server-helm#119 · Opened Aug 24, 2026
Bug: kopf Body is Mapping, not dict — redis_layout_check isinstance guard silently skips validation Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

NatLabRockies/openstudio-server-helm#114 · Opened Aug 24, 2026
ResidentialPVBatteryWithCustomDispatch.py needs to be updated to PySAM 8 Open

bug good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

NatLabRockies/pysam#224 · Opened Aug 18, 2026
Chore: remove dead-code configmaps/nfs-cm.yaml and configmaps/nfs/exports Open

Difficulty 1/5 Under an hour Newbie friendliness 91/100

NatLabRockies/openstudio-server-helm#104 · Opened Aug 17, 2026
Update docs to load vehicle from new database Open

Difficulty 1/5 Under an hour Newbie friendliness 75/100

NatLabRockies/fastsim#323 · Opened Aug 14, 2026
registry-live profile: prepull/pre-delete utility images use distroless kubectl (no shell) - latent crash Open

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

NatLabRockies/openstudio-server-helm#97 · Opened Aug 11, 2026
helm client-only --dry-run cannot validate the chart (lookup unavailable) - document --dry-run=server Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

NatLabRockies/openstudio-server-helm#96 · Opened Aug 11, 2026
prepull.spreadSeconds: 0 is ignored due to sprig default treating 0 as empty Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

NatLabRockies/openstudio-server-helm#94 · Opened Aug 11, 2026
COMPASS PB should have noop mode Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NatLabRockies/COMPASS#513 · Opened Aug 3, 2026
Parameterize DuckDB S3 configuration statements Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

NatLabRockies/GridAnalysisToolkit#6 · Opened Aug 1, 2026
Wire the Sienna v5 fixture into CI Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

NatLabRockies/GridAnalysisToolkit#5 · Opened Aug 1, 2026
Data dictionary unit Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

NatLabRockies/resstock#1566 · Opened Jul 30, 2026
Helm: worker strategy maxUnavailable value is ignored by template Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

NatLabRockies/openstudio-server-helm#92 · Opened Jul 30, 2026
Helm: web init waitForDb settings defined in values are not used Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

NatLabRockies/openstudio-server-helm#93 · Opened Jul 30, 2026
Docs: Windows Docker Desktop bind mounts go stale after host sleep in long-lived stdio container — CLI fails on files that exist Open

Difficulty 1/5 Under an hour Newbie friendliness 76/100

NatLabRockies/openstudio-mcp#101 · Opened Jul 23, 2026
Clarify how PV is handled in electricity consumption comparison in the comparison dashboard Open

Difficulty 1/5 1-3 hours Newbie friendliness 68/100

NatLabRockies/resstock#1564 · Opened Jul 18, 2026
Names in Module Library are Missing Periods Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

NatLabRockies/SAM#2249 · Opened Jul 15, 2026
Inaccessible Documentation Open

Difficulty 1/5 Under an hour Newbie friendliness 85/100

NatLabRockies/soogo#17 · Opened Jul 15, 2026
Comma in Wind Turbine Name Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 88/100

NatLabRockies/SAM#2247 · Opened Jul 14, 2026
Remove the unreferenced root-level extract_signatures.py helper Open

improve tech-debt workon-ready

Difficulty 1/5 1-3 hours Newbie friendliness 78/100

NatLabRockies/plexosdb#159 · Opened Jul 8, 2026
output plugin "finished" log message appears even when initializing a plugin failed Open

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

NatLabRockies/routee-compass#543 · Opened Jun 26, 2026
Ruff formatting is only run for python v3.13 Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NatLabRockies/hercules#260 · Opened Jun 4, 2026
Fix broken URLs in Help Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NatLabRockies/SAM#2192 · Opened May 13, 2026
allow installing rdtools without xgboost dependency Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NatLabRockies/rdtools#507 · Opened May 12, 2026
Remove usage of `prepare_output_directory()` before next release Open

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

NatLabRockies/hercules#257 · 1 comment · 1 reaction · Opened May 6, 2026
Remove `controller` key from hercules input dict configuration as Hycon now ignores it Open

on-hold

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NatLabRockies/hercules#253 · Opened Apr 27, 2026
chore: migrate examples to new KDL syntax Open

documentation

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NatLabRockies/arco#180 · Opened Apr 17, 2026
MPPT step adjustment out of bounds Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

NatLabRockies/opet-firmware#1 · Opened Apr 8, 2026
Unique index on associations table does not enforce uniqueness for NonSequentialTimeSeries Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

NatLabRockies/infrasys#146 · Opened Apr 4, 2026
Description mismatch Open

Difficulty 1/5 Under an hour Newbie friendliness 72/100

NatLabRockies/infrasys#145 · Opened Mar 31, 2026
Add a description of the config file and using the attrs library to the docs page Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NatLabRockies/H2Integrate#623 · Opened Mar 25, 2026
Error writing monthly export series outputs in ElectricTariff.jl Open

Difficulty 1/5 Under an hour Newbie friendliness 84/100

NatLabRockies/REopt.jl#582 · 1 comment · Opened Mar 4, 2026
Bug report: TypeError when converting OpenMDAO input arrays to float in finances.py Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NatLabRockies/H2Integrate#465 · Opened Jan 21, 2026
Resolving the errors when using env.yml to set up sup3rcc environment Open

documentation enhancement

Difficulty 1/5 1-3 hours Newbie friendliness 62/100

NatLabRockies/sup3r#285 · 1 comment · 1 reaction · Opened Dec 1, 2025
Remove encoding parameter in json.load(...) Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 65/100

NatLabRockies/buildstockbatch#505 · Opened Jul 19, 2025
Instructions on benchmarking Open

Difficulty 1/5 1-3 hours Newbie friendliness 65/100

NatLabRockies/reVRt#74 · Opened Jun 9, 2025
Wrong comment Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NatLabRockies/MoorPy#43 · 1 comment · Opened Mar 12, 2025
getLineProps arguments check Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

NatLabRockies/MoorPy#22 · 4 comments · Opened Jun 29, 2024
create om_cost_per_kwh Dict indexed by techs in function setup_tech_inputs Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NatLabRockies/REopt.jl#74 · Opened Jun 14, 2022
Add how to deploy multiple workers to wiki Open

docs

Difficulty 1/5 Under an hour Newbie friendliness 78/100

NatLabRockies/alfalfa#283 · Opened Mar 30, 2022
update description for clone_building_from_external_model Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

NatLabRockies/openstudio-model-articulation-gem#65 · Opened Apr 12, 2021

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