NREL/EnergyPlus
Oct 2024 – Sep 2025
11 Months active
Languages Used
C++YAMLIDFPythonCMakeCMakeLists.txtHTMLLaTeX
Technical Skills
C++ DevelopmentMemory ManagementRefactoringSoftware ArchitectureBuild AutomationBuild Systems
Edwin Lee
PROFILE
Edwin Lee
Lee Edmonson contributed to the NREL/EnergyPlus repository by engineering robust enhancements to ground heat exchanger modeling, integrating the GHEDesigner library for automated design and sizing workflows. He refactored core C++ modules to improve memory management and modularity, streamlined CI/CD pipelines using GitHub Actions, and strengthened cross-platform build reliability. Lee applied clang-format for code consistency, migrated documentation to Read the Docs, and optimized regression testing infrastructure. His work leveraged CMake, Python, and shell scripting to simplify packaging and deployment. These efforts improved simulation accuracy, reduced manual intervention, and enabled maintainable, scalable development for advanced building energy modeling scenarios.
Overall Statistics
Feature vs Bugs
64%Features
Repository Contributions
154Total
Bugs
25
Commits
154
Features
44
Lines of code
209,424
Activity Months11
Your Network
31 people
Work History
September 2025
14 Commits • 2 Features
Sep 1, 2025September 2025 (NREL/EnergyPlus): Delivered GHEDesigner-integrated Ground Heat Exchanger (GHE) design and sizing with a new FullDesign option for g-function calculations and automated borehole field sizing based on loads and design parameters. Also shipped test workflow, stability, and maintenance improvements to strengthen cross-platform CI reliability, reduce flakiness, and improve code quality. Enhancements include input/output updates, enhanced error handling, and basic EIO output, along with gating tests by Python CLI, updated tolerances, formatting standards, and CI workflow refinements. These changes reduce manual sizing effort, increase design accuracy, and enhance release readiness across platforms.
14 Commits • 2 Features
Sep 1, 2025September 2025 (NREL/EnergyPlus): Delivered GHEDesigner-integrated Ground Heat Exchanger (GHE) design and sizing with a new FullDesign option for g-function calculations and automated borehole field sizing based on loads and design parameters. Also shipped test workflow, stability, and maintenance improvements to strengthen cross-platform CI reliability, reduce flakiness, and improve code quality. Enhancements include input/output updates, enhanced error handling, and basic EIO output, along with gating tests by Python CLI, updated tolerances, formatting standards, and CI workflow refinements. These changes reduce manual sizing effort, increase design accuracy, and enhance release readiness across platforms.
September 2025
August 2025
9 Commits • 3 Features
Aug 1, 2025August 2025 monthly summary for NREL/EnergyPlus focusing on delivering business value through feature delivery, bug fixes, and build/stability improvements. The month centered on enabling a robust 2.0 integration path by integrating GHEDesigner for GHE modeling, simplifying the build and maintenance surface, and strengthening CI/config practices to accelerate delivery while reducing risk.
August 2025
9 Commits • 3 Features
Aug 1, 2025August 2025 monthly summary for NREL/EnergyPlus focusing on delivering business value through feature delivery, bug fixes, and build/stability improvements. The month centered on enabling a robust 2.0 integration path by integrating GHEDesigner for GHE modeling, simplifying the build and maintenance surface, and strengthening CI/config practices to accelerate delivery while reducing risk.
July 2025
7 Commits • 2 Features
Jul 1, 2025July 2025 monthly summary for NREL/EnergyPlus focused on GHE module enhancements and CI/CD/documentation improvements.
7 Commits • 2 Features
Jul 1, 2025July 2025 monthly summary for NREL/EnergyPlus focused on GHE module enhancements and CI/CD/documentation improvements.
July 2025
May 2025
14 Commits • 3 Features
May 1, 2025May 2025 Monthly Summary for NREL/EnergyPlus. Focused on delivering core release readiness, code quality, and robust CI/testing improvements while stabilizing tariff-related calculations. Delivered aligned versioning, scaffolding for future modeling enhancements, and strengthened testing infrastructure to enable faster, safer releases and more reliable simulations.
May 2025
14 Commits • 3 Features
May 1, 2025May 2025 Monthly Summary for NREL/EnergyPlus. Focused on delivering core release readiness, code quality, and robust CI/testing improvements while stabilizing tariff-related calculations. Delivered aligned versioning, scaffolding for future modeling enhancements, and strengthened testing infrastructure to enable faster, safer releases and more reliable simulations.
April 2025
3 Commits • 2 Features
Apr 1, 2025April 2025 monthly performance summary for NREL/EnergyPlus focusing on code quality improvements and test robustness without functional changes. Implemented clang-format code style cleanup across the C++ codebase and upgraded regression tests to support case-insensitive diff in table comparisons via energyplus-regressions 2.1.3.
3 Commits • 2 Features
Apr 1, 2025April 2025 monthly performance summary for NREL/EnergyPlus focusing on code quality improvements and test robustness without functional changes. Implemented clang-format code style cleanup across the C++ codebase and upgraded regression tests to support case-insensitive diff in table comparisons via energyplus-regressions 2.1.3.
April 2025
March 2025
46 Commits • 16 Features
Mar 1, 2025March 2025 — EnergyPlus: Enhancements across UI/CLI, packaging, and tooling delivering business value in usability, distribution, and stability. Key features delivered include: E+ Auxiliary CLI Transition GUI; Pin Transition Tools to 2.1.2 with a shortcut; Updater version bump with idf version updater shortcut; Mac thin app generation macro; Windows launcher improvements and code formatting cleanup; Linux Tcl/Tk packaging; added undo command for desktop file uninstall; moved pip command to standalone Python file with pre-checks; renamed tools and added doc shortcuts; ShellCheck compliance for auxiliary.sh.in. Major bugs fixed include: signage issues, launcher script typo, Windows root shortcuts, Linux library path and desktop file fixes, byref checker license exclusion, and desktop file uninstall cleanup. Overall impact: smoother cross-platform distribution, faster installs, more stable builds, and clearer tooling for developers and customers. Technologies and skills: cross-platform packaging, CMake, shell scripting, Python tooling, clang-format, ShellCheck, and Windows/macOS/Linux launcher workflows.
March 2025
46 Commits • 16 Features
Mar 1, 2025March 2025 — EnergyPlus: Enhancements across UI/CLI, packaging, and tooling delivering business value in usability, distribution, and stability. Key features delivered include: E+ Auxiliary CLI Transition GUI; Pin Transition Tools to 2.1.2 with a shortcut; Updater version bump with idf version updater shortcut; Mac thin app generation macro; Windows launcher improvements and code formatting cleanup; Linux Tcl/Tk packaging; added undo command for desktop file uninstall; moved pip command to standalone Python file with pre-checks; renamed tools and added doc shortcuts; ShellCheck compliance for auxiliary.sh.in. Major bugs fixed include: signage issues, launcher script typo, Windows root shortcuts, Linux library path and desktop file fixes, byref checker license exclusion, and desktop file uninstall cleanup. Overall impact: smoother cross-platform distribution, faster installs, more stable builds, and clearer tooling for developers and customers. Technologies and skills: cross-platform packaging, CMake, shell scripting, Python tooling, clang-format, ShellCheck, and Windows/macOS/Linux launcher workflows.
February 2025
32 Commits • 9 Features
Feb 1, 2025February 2025 — NREL/EnergyPlus monthly summary highlighting key feature deliveries, major bug fixes, and overall impact across testing, builds, and documentation. Highlights include regression script debugging improvements for enhanced traceability, migration to GoogleTest discovery with stabilized CI, and cross‑platform build hardening. Also completed documentation migration to Read the Docs and CI/toolchain optimizations to reduce waste and improve release reliability.
32 Commits • 9 Features
Feb 1, 2025February 2025 — NREL/EnergyPlus monthly summary highlighting key feature deliveries, major bug fixes, and overall impact across testing, builds, and documentation. Highlights include regression script debugging improvements for enhanced traceability, migration to GoogleTest discovery with stabilized CI, and cross‑platform build hardening. Also completed documentation migration to Read the Docs and CI/toolchain optimizations to reduce waste and improve release reliability.
February 2025
January 2025
16 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for NREL/EnergyPlus focusing on business value, stability, and maintainability. Delivered cleanups, API correctness refinements, test stabilization, and CI/regression tooling enhancements that improve code quality, reliability, and development velocity without altering behavior.
January 2025
16 Commits • 2 Features
Jan 1, 2025January 2025 monthly summary for NREL/EnergyPlus focusing on business value, stability, and maintainability. Delivered cleanups, API correctness refinements, test stabilization, and CI/regression tooling enhancements that improve code quality, reliability, and development velocity without altering behavior.
December 2024
2 Commits • 2 Features
Dec 1, 2024December 2024 (2024-12) focused on strengthening CI reliability and debugging capabilities for the NREL/EnergyPlus project. Implemented GCC 13.3-based CI across all build configurations and integrated Upterm-based debugging into the PR testing workflow, enabling faster issue diagnosis and smoother PR cycles.
2 Commits • 2 Features
Dec 1, 2024December 2024 (2024-12) focused on strengthening CI reliability and debugging capabilities for the NREL/EnergyPlus project. Implemented GCC 13.3-based CI across all build configurations and integrated Upterm-based debugging into the PR testing workflow, enabling faster issue diagnosis and smoother PR cycles.
December 2024
November 2024
10 Commits • 2 Features
Nov 1, 2024November 2024 performance summary for NREL/EnergyPlus: Delivered a major refactor of the Ground Temperature Modeling System with a new data structure and reorganized header includes to streamline initialization and management of ground temperature models. Implemented a robust CI workflow overhaul to improve reliability and feedback: separate failure path for regressions in forked repos, GCC toolchain upgrade, parallel build tuning, Upterm debugging integration, and corrected problem matcher paths. These changes reduce build times, improve regression detection for external contributions, and strengthen maintainability of energy modeling components. Impact includes faster development cycles, reduced build toil for contributors, and more deterministic CI behavior. Key commit footprints include 1980d22a4354bb7570925dd2f30d90a4edd3529b and a suite of CI-focused commits (c5bdf6526504937947cf68207054fc7ec3e80056, 9f87d4e7c15105aada2285a4844f6808b5f4d148, facb90bf48142027294d8754e90d91e4e880200c, 9481231faa2a610aed5d182e3e622816252b4ef9, c12ba5aa1a4d392bbb7d48b76ceebdff07c9f0d9, b0a9c4e52d98c8e24fdca0e188b2f7d10eae11bc, ca00ccc1ecd64733c8d7e551fb37df85dfbba295, 178b0cab62fc73110a8f48b4af070d49b533b919, fc5f8ac52dbda5afc19ff775dbf0dfbc5d643686)
November 2024
10 Commits • 2 Features
Nov 1, 2024November 2024 performance summary for NREL/EnergyPlus: Delivered a major refactor of the Ground Temperature Modeling System with a new data structure and reorganized header includes to streamline initialization and management of ground temperature models. Implemented a robust CI workflow overhaul to improve reliability and feedback: separate failure path for regressions in forked repos, GCC toolchain upgrade, parallel build tuning, Upterm debugging integration, and corrected problem matcher paths. These changes reduce build times, improve regression detection for external contributions, and strengthen maintainability of energy modeling components. Impact includes faster development cycles, reduced build toil for contributors, and more deterministic CI behavior. Key commit footprints include 1980d22a4354bb7570925dd2f30d90a4edd3529b and a suite of CI-focused commits (c5bdf6526504937947cf68207054fc7ec3e80056, 9f87d4e7c15105aada2285a4844f6808b5f4d148, facb90bf48142027294d8754e90d91e4e880200c, 9481231faa2a610aed5d182e3e622816252b4ef9, c12ba5aa1a4d392bbb7d48b76ceebdff07c9f0d9, b0a9c4e52d98c8e24fdca0e188b2f7d10eae11bc, ca00ccc1ecd64733c8d7e551fb37df85dfbba295, 178b0cab62fc73110a8f48b4af070d49b533b919, fc5f8ac52dbda5afc19ff775dbf0dfbc5d643686)
October 2024
1 Commits • 1 Features
Oct 1, 2024Oct 2024 Monthly Summary for NREL/EnergyPlus focused on foundational refactoring of Ground Temperature (GT) modeling. Delivered a structural improvement to GT components by transitioning specific model instances from shared pointers to raw pointers and updating factory methods to simplify ownership and memory management. This work is designed to reduce memory-related risk, improve code clarity, and set the stage for future performance optimizations in GT simulations.
1 Commits • 1 Features
Oct 1, 2024Oct 2024 Monthly Summary for NREL/EnergyPlus focused on foundational refactoring of Ground Temperature (GT) modeling. Delivered a structural improvement to GT components by transitioning specific model instances from shared pointers to raw pointers and updating factory methods to simplify ownership and memory management. This work is designed to reduce memory-related risk, improve code clarity, and set the stage for future performance optimizations in GT simulations.
October 2024
Activity
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Quality Metrics
Correctness87.6%
Maintainability89.4%
Architecture83.8%
Performance80.4%
AI Usage20.6%
Skills & Technologies
Programming Languages
BashC++CMakeCMakeLists.txtCMakeScriptFortranHTMLIDFJSONJavaScript
Technical Skills
API IntegrationApplication PackagingArray IndexingBug FixBug FixingBuild AutomationBuild ConfigurationBuild SystemBuild System ConfigurationBuild System ManagementBuild SystemsBuilding Energy ModelingC++C++ DevelopmentCI/CD
Repositories Contributed To
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