Welcome to the D4 Project
This website documents the complete operation of Infomaniak's D4 data center. It was produced as part of the E4S program run by EPFL, IMD and the University of Lausanne.

Sustainability
Redefining data centre efficiency for a greener digital future.

Innovation
Harnessing cutting-edge technology to power tomorrow's world.

Efficiency
Optimizing performance to minimize energy consumption.

ABOUT US
The D4 Project is committed to redefining data centre sustainability. The goal is to create 100% energy-efficient data centres that reclaim energy and minimize environmental impact. Using innovative technologies like heat recovery and real-time energy monitoring, this documentation aims to help the industry and policymakers transform how data centres operate, driving a greener digital future.
REAL-TIME EFFICIENCY STATS
See how we're optimizing performance and sustainability, live!
Current PUE
Power Usage Effectiveness (PUE) measures how efficiently the data center uses energy. A lower PUE indicates better efficiency.
Loading...
Current ERF
Energy Reuse Factor (ERF) evaluates how much energy is reused effectively. Higher values indicate improved energy recovery.
Loading...
Total Heat Energy
Discover the total heat energy transported to SIG from November 12, 2024 till this moment.
Loading...
MEET THE E4S TEAM
This website was created by a group of students from the interdisciplinary E4S program. Enterprise for Society (E4S) aims to drive the transition toward a resilient and inclusive economy that respects planetary boundaries while addressing the challenges and opportunities of scientific and technological advancements.
Antoine Trabia
Technical expert
Maxime Sperandio
Technical expert
Guillaume Chapalain
Financial expert
Mariam Nassar
Web Master
Explore everything you need to know about our data centre – from its innovative design
and impact on policymakers to technical insights for replication.
Context
Curious about data centres, Infomaniak, and why D4 matters? This page offers a straightforward overview, providing the key background needed to navigate and understand the content.
Policy Makers
A comprehensive guide designed for non-technical stakeholders, offering insights into how the data centre operates and its financial aspects.
Technical Guide
An in-depth guide for engineers and tech professionals, providing all the details needed to replicate our data centre.