Alexandre Veilly
Bilan Carbone® engineer, head of the carbon studies unit at Projet Celsius
Alexandre Veilly leads the consultancy's carbon studies. An engineer from Polytech Paris-Saclay and Bilan Carbone® methodology lead, he writes about what he does on assignments: scope 3, the GHG Protocol, the mistakes of a first carbon footprint.
His articles on the Projet Celsius blog
5 articles · All his articles ↗
Practical guide · 14 April 2026What is scope 3?Read the article ↗
In AI Impact
Alexandre Veilly has not yet signed a text in AI Impact. He leads the consultancy's Bilan Carbone® assessments, where the use of AI is becoming an item to count.
The methodology is described on the blog: How to count AI in a company's Bilan Carbone®
His topics
- Scope 32 articles
- Bilan Carbone® methodology and the GHG Protocol2 articles
- Frequency and monitoring of the carbon footprint1 article
The AI Impact team
About →Across the hub
AI Impact DatabaseAll the figures, their methodology and their sources.
AI Ranking10 assistants rated out of 100: performance, ethics and environment.
AnalysesThe signed pieces: analyses, viewpoints, "Where does this figure come from?".
Charts and mapsThe reference visuals, with their data and sources.
ToolsOpen calculations, your assumptions on the left, the result on the right.
A question about a figure?
An error, a source to add, a methodology question, a press request: write to us. Guillaume Pakula, Clément Reynaud, Sébastien Pierfederici and Alexandre Veilly will reply.
Projet Celsius, which runs this hub, also helps companies measure and reduce the footprint of their AI use.
Accounting for AI in your Bilan Carbone® ↗
