NatLabRockies/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.
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Momentum
+39
STARS · LAST 30 DAYS
1
PER DAY
#180
MOST-STARRED C++
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +39 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +2 | +10 | +25 |
EnergyPlus gained 39 stars in the last 30 days, about 1 a day, and now has 1.6K. It is about 13 years old and has averaged roughly 121 stars a year. It ranks #180 among C++ repositories and #2,699 across all languages on GitHubRepo.
Trending Record
59
DAYS ON TRENDING
#100
BEST RANK
Nov 22, 2013
FIRST APPEARANCE
Active
STATUS TODAY
EnergyPlus has maintained a continuous presence across global trending indexes, peaking at #100. Below is the 30-day activity profile:
💡 Overview
EnergyPlus is an open-source project written in C++: EnergyPlus™ is a whole building energy simulation program that engineers, architects, and researchers use to model both energy consumption and water use in buildings.
Engineered for speed, consistency, and developer ease, it solves common hurdles in C++. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in C++ for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/NatLabRockies/EnergyPlus.git
cd EnergyPlus
⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C++20 compliant compiler (GCC 11+, Clang 13+, MSVC)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
EnergyPlus coordinates its core functionality through a modular C++ pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed EnergyPlus into C++ backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open NOASSERTION license.
🚀 Getting Started
Install EnergyPlus using your package manager: `git clone https://github.com/NatLabRockies/EnergyPlus.git`
Initialize your project workspace or configuration file for EnergyPlus.
Import EnergyPlus into your codebase or invoke it directly from your terminal.
Execute your test suite or run `EnergyPlus --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with C++, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
NatLabRockies/EnergyPlus is currently ranked #2,699 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
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| #2,698 | triplea-game/triplea | Java | ★ 1.6K | Compare ↗ |
| #2,699 | NatLabRockies/EnergyPlus This Project | C++ | ★ 1.6K | |
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Frequently Asked Questions
What does EnergyPlus do? +
EnergyPlus™ is a whole building energy simulation program that engineers, architects, and researchers use to model both energy consumption and water use in buildings.
What language is EnergyPlus written in? +
The primary language is C++. Topics include: software.
Is EnergyPlus actively maintained? +
Yes, the last recorded push was on Sep 30, 2026 with 867 open issues being tracked.
How many stars does EnergyPlus have? +
EnergyPlus has 1,578 stars and 494 forks on GitHub.
How does EnergyPlus rank among GitHub repositories? +
With 1,578 stars, NatLabRockies/EnergyPlus is ranked #2,699 globally across all repositories tracked on GitHubRepo and #180 among C++ projects.
What license is EnergyPlus distributed under? +
The repository reports a NOASSERTION license. Always verify the repository LICENSE file for legal terms.