NREL/EnergyPlus
Sep 2025 – Jan 2026
5 Months active
Languages Used
C++LaTeXTeXiddMarkdownidfplaintextFortran
Technical Skills
Algorithm CorrectionBackend DevelopmentC++C++ DevelopmentCode CleanupCode Documentation
kevin-moos
PROFILE
Kevin-moos
Kevin Moos contributed to the NREL/EnergyPlus repository, delivering twelve features and resolving eleven bugs over five months. He enhanced simulation reliability and reporting by refining core algorithms, improving data validation, and expanding test coverage. His work included robust geometry handling, defensive error management, and targeted code refactoring, often using C++ and Fortran to optimize backend processes. Kevin updated documentation and reporting outputs to align with evolving requirements, while also streamlining initialization logic for better performance. His technical approach emphasized maintainability and risk reduction, resulting in a more stable, accurate, and testable simulation platform for complex building energy modeling.
Overall Statistics
Feature vs Bugs
52%Features
Repository Contributions
50Total
Bugs
11
Commits
50
Features
12
Lines of code
5,180
Activity Months5
Your Network
33 peopleSame Organization
@bigladdersoftware.com2
Work History
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 — NREL/EnergyPlus: Delivered a targeted code-quality and performance refactor by moving CurrentModuleObject initialization outside of loops. The change reduces per-iteration overhead, improves readability, and lays groundwork for further optimizations in the initialization path. No major bugs fixed this month. Demonstrated technologies/skills include C++ refactoring, performance-oriented development, and adherence to EnergyPlus coding standards, delivering business value through faster startup times and easier maintainability.
1 Commits • 1 Features
Jan 1, 2026January 2026 — NREL/EnergyPlus: Delivered a targeted code-quality and performance refactor by moving CurrentModuleObject initialization outside of loops. The change reduces per-iteration overhead, improves readability, and lays groundwork for further optimizations in the initialization path. No major bugs fixed this month. Demonstrated technologies/skills include C++ refactoring, performance-oriented development, and adherence to EnergyPlus coding standards, delivering business value through faster startup times and easier maintainability.
January 2026
December 2025
15 Commits • 6 Features
Dec 1, 2025December 2025 (2025-12): Key feature deliveries and stability enhancements across NREL/EnergyPlus, focusing on reliability, maintainability, and release readiness. Delivered changes reduce simulation risk and improve test coverage, with alignment to version-rule updates and clearer terminology. Notable outcomes include removal of the Reheat Coil Air Inlet Node Name across PIU and related components with propagation to tests, example IDFs, docs, and object expansion logic; IDF Version Updater improvements to handle varying input sizes via a NewArgs mechanism; equipment configuration and AIRTERMINAL handling improvements to ensure proper processing order; enforcement of a minimum cooling speed of 1 for variable-speed coils to prevent simulation errors; and expanded unit tests for DesuperheaterRefrigeration and Airflow Network multizone configurations, alongside targeted code cleanup and documentation updates.
December 2025
15 Commits • 6 Features
Dec 1, 2025December 2025 (2025-12): Key feature deliveries and stability enhancements across NREL/EnergyPlus, focusing on reliability, maintainability, and release readiness. Delivered changes reduce simulation risk and improve test coverage, with alignment to version-rule updates and clearer terminology. Notable outcomes include removal of the Reheat Coil Air Inlet Node Name across PIU and related components with propagation to tests, example IDFs, docs, and object expansion logic; IDF Version Updater improvements to handle varying input sizes via a NewArgs mechanism; equipment configuration and AIRTERMINAL handling improvements to ensure proper processing order; enforcement of a minimum cooling speed of 1 for variable-speed coils to prevent simulation errors; and expanded unit tests for DesuperheaterRefrigeration and Airflow Network multizone configurations, alongside targeted code cleanup and documentation updates.
November 2025
15 Commits • 2 Features
Nov 1, 2025In November 2025, EnergyPlus delivered targeted robustness improvements and core geometry enhancements with expanded test coverage, driving higher simulation reliability and fidelity across complex systems. Key geometry work includes allocating a NewVertex array for subsurfaces to improve surface geometry handling and stability in subsurface processing. WeatherManager updates hardened multi-window scenarios by correcting data processing order for location data and adding tests for multi-window location/orientation updates. Cooling and end-use reporting received reliability improvements through HeatExchanger changes, including initialization handling and related end-use mapping tests, with several tests validating FFHX behavior. Defensive protections were added for division-by-zero scenarios in UniterySystem cooling calculations, supported by edge-case tests and CI fixes. Critical reliability fixes were implemented for Schedule:Compact, including null-pointer handling and tests for missing required fields, complemented by updates to relevant test data (e.g., VaryingLocationAndOrientation and Site:VariableLocation) to improve coverage. These efforts collectively increase simulation stability, reduce crash risk, improve modeling accuracy for complex assemblies, and strengthen CI/test coverage, delivering clear business value in reliability and predictability of energy simulations.
15 Commits • 2 Features
Nov 1, 2025In November 2025, EnergyPlus delivered targeted robustness improvements and core geometry enhancements with expanded test coverage, driving higher simulation reliability and fidelity across complex systems. Key geometry work includes allocating a NewVertex array for subsurfaces to improve surface geometry handling and stability in subsurface processing. WeatherManager updates hardened multi-window scenarios by correcting data processing order for location data and adding tests for multi-window location/orientation updates. Cooling and end-use reporting received reliability improvements through HeatExchanger changes, including initialization handling and related end-use mapping tests, with several tests validating FFHX behavior. Defensive protections were added for division-by-zero scenarios in UniterySystem cooling calculations, supported by edge-case tests and CI fixes. Critical reliability fixes were implemented for Schedule:Compact, including null-pointer handling and tests for missing required fields, complemented by updates to relevant test data (e.g., VaryingLocationAndOrientation and Site:VariableLocation) to improve coverage. These efforts collectively increase simulation stability, reduce crash risk, improve modeling accuracy for complex assemblies, and strengthen CI/test coverage, delivering clear business value in reliability and predictability of energy simulations.
November 2025
October 2025
4 Commits • 1 Features
Oct 1, 2025Monthly performance summary for 2025-10 focused on NREL/EnergyPlus contributions, highlighting delivery of new reporting alignment, critical stability fixes, and quality improvements that collectively enhance business value and maintainability.
October 2025
4 Commits • 1 Features
Oct 1, 2025Monthly performance summary for 2025-10 focused on NREL/EnergyPlus contributions, highlighting delivery of new reporting alignment, critical stability fixes, and quality improvements that collectively enhance business value and maintainability.
September 2025
15 Commits • 2 Features
Sep 1, 2025September 2025 — NREL/EnergyPlus: Focused on reliability, data integrity, and reporting enhancements. Delivered targeted fixes, robustness improvements, and code quality gains with comprehensive unit tests and documentation updates to reduce risk and improve maintainability.
15 Commits • 2 Features
Sep 1, 2025September 2025 — NREL/EnergyPlus: Focused on reliability, data integrity, and reporting enhancements. Delivered targeted fixes, robustness improvements, and code quality gains with comprehensive unit tests and documentation updates to reduce risk and improve maintainability.
September 2025
Activity
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Quality Metrics
Correctness97.0%
Maintainability94.0%
Architecture94.0%
Performance92.8%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++FortranIDFLaTeXMarkdownTeXiddidfplaintext
Technical Skills
Algorithm CorrectionBackend DevelopmentC++C++ DevelopmentC++ developmentC++ programmingCode CleanupCode DocumentationCode FormattingData Dictionary ManagementData ManagementData ProcessingData StructuresData ValidationDocumentation
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