For anyone interested in tooling around Node.JS and measuring energy consumption directly in you development environment I can recommend the talk from Kay Makowsky.
Highlights:
- Measure energy for every Line of Code in your Node.JS project
- Call Graph for every function to also drill down on function level
- Works als Plug-In in VSCode
- There has also been a new release just after the conf!! → See on GitHub
Slides are for download on the ecoCompute website: Green your Code: Oaklean’s vision for sustainable Node.js projects 🇬🇧 | ecoCompute Conference 2025
Find all talks here: Schedule 2025 | ecoCompute Conference 2025